- Ammonia (NH3 + NH4+; as N), FIL, COL -
Lab: NWQL, PCode: 00608, MCode: CL037
Analysis Dates: 10/05/04 through 06/13/06
Open Data Set
Boxplot Description

Water Year = 2006 plotvalue = 111% pctrecov = 111% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 70% pctrecov = 10% Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 86 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 108 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 96% Median = 101% Third Quartile = 102% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Ammonia (NH3 + NH4+; as N), FIL, COL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Ammonia (NH3 + NH4+; as N), FIL, COL 00608CL037 2004 4 95.6% 100.6% 101.9%
    2005 108 93.8% 98.8% 102.0%
    2006 86 96.1% 98.5% 100.5%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Ammonia (NH3 + NH4+; as N), FIL, COL, LL -
Lab: NWQL, PCode: 00608, MCode: CL039
Analysis Dates: 10/06/04 through 06/02/06
Open Data Set
Boxplot Description

Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 87% pctrecov = 87% Water Year = 2006 plotvalue = 84% pctrecov = 84% Water Year = 2006 plotvalue = 78% pctrecov = 78% Water Year = 2006 plotvalue = 78% pctrecov = 78% Water Year = 2006 plotvalue = 77% pctrecov = 77% Water Year = 2006 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 130% pctrecov = 225% Water Year = 2005 plotvalue = 91% pctrecov = 91% Water Year = 2005 plotvalue = 85% pctrecov = 85% Water Year = 2005 plotvalue = 78% pctrecov = 78% Water Year = 2005 plotvalue = 70% pctrecov = 70% Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 84 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 108 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Ammonia (NH3 + NH4+; as N), FIL, COL, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Ammonia (NH3 + NH4+; as N), FIL, COL, LL 00608CL039 2005 108 97.5% 99.3% 101.3%
    2006 84 98.3% 100.8% 102.3%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Nitrate + nitrite as N, water, fltd -
Lab: NWQL, PCode: 00631, MCode: RED01
Analysis Dates: 10/20/11 through 10/09/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 103% pctrecov = 103% Water Year = 2024 plotvalue = 105% pctrecov = 105% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 87% pctrecov = 87% Water Year = 2024 plotvalue = 87% pctrecov = 87% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2023 plotvalue = 84% pctrecov = 84% Water Year = 2023 plotvalue = 82% pctrecov = 82% Water Year = 2022 plotvalue = 108% pctrecov = 108% Water Year = 2022 plotvalue = 109% pctrecov = 109% Water Year = 2022 plotvalue = 110% pctrecov = 110% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 122% pctrecov = 122% Water Year = 2021 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 86% pctrecov = 86% Water Year = 2020 plotvalue = 112% pctrecov = 112% Water Year = 2020 plotvalue = 119% pctrecov = 119% Water Year = 2020 plotvalue = 85% pctrecov = 85% Water Year = 2019 plotvalue = 130% pctrecov = 322% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 109% pctrecov = 109% Water Year = 2017 plotvalue = 114% pctrecov = 114% Water Year = 2017 plotvalue = 115% pctrecov = 115% Water Year = 2017 plotvalue = 92% pctrecov = 92% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 84% pctrecov = 84% Water Year = 2017 plotvalue = 75% pctrecov = 75% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 86% pctrecov = 86% Water Year = 2015 plotvalue = 104% pctrecov = 104% Water Year = 2015 plotvalue = 105% pctrecov = 105% Water Year = 2015 plotvalue = 105% pctrecov = 105% Water Year = 2015 plotvalue = 120% pctrecov = 120% Water Year = 2015 plotvalue = 122% pctrecov = 122% Water Year = 2015 plotvalue = 86% pctrecov = 86% Water Year = 2015 plotvalue = 86% pctrecov = 86% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 114% pctrecov = 114% Water Year = 2013 plotvalue = 125% pctrecov = 125% Water Year = 2013 plotvalue = 130% pctrecov = 191% Water Year = 2013 plotvalue = 88% pctrecov = 88% Water Year = 2012 plotvalue = 112% pctrecov = 112% Water Year = 2012 plotvalue = 112% pctrecov = 112% Water Year = 2012 plotvalue = 115% pctrecov = 115% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2012 plotvalue = 117% pctrecov = 117% Water Year = 2012 plotvalue = 119% pctrecov = 119% Water Year = 2012 plotvalue = 124% pctrecov = 124% Water Year = 2012 plotvalue = 124% pctrecov = 124% Water Year = 2012 plotvalue = 130% pctrecov = 131% Water Year = 2012 plotvalue = 83% pctrecov = 83% Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2024 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 96 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2022 First Quartile = 94% Median = 96% Third Quartile = 99% Number of Observations = 69 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 95 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 80 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 87 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2014 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 88 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 108 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 140 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Nitrate + nitrite as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Nitrate + nitrite as N, water, fltd 00631RED01 2012 140 96.4% 99.2% 102.3%
    2013 108 95.4% 97.6% 99.9%
    2014 88 93.8% 97.2% 99.8%
    2015 96 92.5% 94.6% 96.9%
    2016 96 95.6% 98.5% 100.4%
    2017 87 97.4% 99.4% 100.4%
    2019 80 95.8% 99.0% 100.7%
    2020 95 98.1% 100.3% 103.1%
    2021 95 96.0% 98.5% 100.5%
    2022 69 94.5% 96.4% 98.6%
    2023 96 94.3% 97.3% 99.5%
    2024 92 94.6% 96.3% 98.1%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Nitrate + nitrite as N, water, fltd -
Lab: NWQL, PCode: 00631, MCode: RED03
Analysis Dates: 10/25/23 through 10/02/24
Open Data Set
Boxplot Description

Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Water Year = 2024 First Quartile = 93% Median = 96% Third Quartile = 97% Number of Observations = 23 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Nitrate + nitrite as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Nitrate + nitrite as N, water, fltd 00631RED03 2024 23 92.6% 95.8% 97.4%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Nitrate + nitrite as N, water, fltd, LL -
Lab: NWQL, PCode: 00631, MCode: RED02
Analysis Dates: 10/20/11 through 10/22/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 70% pctrecov = 14% Water Year = 2023 plotvalue = 130% pctrecov = 230% Water Year = 2022 plotvalue = 130% pctrecov = 235% Water Year = 2021 plotvalue = 130% pctrecov = 354% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 70% pctrecov = 4% Water Year = 2020 plotvalue = 119% pctrecov = 119% Water Year = 2020 plotvalue = 81% pctrecov = 81% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 70% pctrecov = 15% Water Year = 2017 plotvalue = 130% pctrecov = 171% Water Year = 2017 plotvalue = 79% pctrecov = 79% Water Year = 2016 plotvalue = 111% pctrecov = 111% Water Year = 2016 plotvalue = 70% pctrecov = 6% Water Year = 2015 plotvalue = 106% pctrecov = 106% Water Year = 2015 plotvalue = 106% pctrecov = 106% Water Year = 2015 plotvalue = 109% pctrecov = 109% Water Year = 2015 plotvalue = 111% pctrecov = 111% Water Year = 2015 plotvalue = 119% pctrecov = 119% Water Year = 2015 plotvalue = 122% pctrecov = 122% Water Year = 2015 plotvalue = 130% pctrecov = 224% Water Year = 2015 plotvalue = 89% pctrecov = 89% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2014 plotvalue = 108% pctrecov = 108% Water Year = 2014 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 112% pctrecov = 112% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 88% pctrecov = 88% Water Year = 2014 plotvalue = 84% pctrecov = 84% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 111% pctrecov = 111% Water Year = 2013 plotvalue = 114% pctrecov = 114% Water Year = 2013 plotvalue = 119% pctrecov = 119% Water Year = 2013 plotvalue = 126% pctrecov = 126% Water Year = 2013 plotvalue = 130% pctrecov = 353% Water Year = 2013 plotvalue = 130% pctrecov = 142% Water Year = 2013 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 87% pctrecov = 87% Water Year = 2013 plotvalue = 83% pctrecov = 83% Water Year = 2013 plotvalue = 76% pctrecov = 76% Water Year = 2012 plotvalue = 111% pctrecov = 111% Water Year = 2012 plotvalue = 115% pctrecov = 115% Water Year = 2012 plotvalue = 130% pctrecov = 224% Water Year = 2012 plotvalue = 130% pctrecov = 310% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 63 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2022 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 46 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 65 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 58 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 94 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 90 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 140 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Nitrate + nitrite as N, water, fltd, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Nitrate + nitrite as N, water, fltd, LL 00631RED02 2012 140 97.4% 99.8% 102.4%
    2013 108 96.1% 98.6% 101.0%
    2014 90 97.5% 99.6% 101.3%
    2015 96 96.0% 98.0% 100.0%
    2016 94 98.2% 99.5% 102.1%
    2017 90 96.6% 98.7% 102.5%
    2019 58 95.5% 97.8% 101.9%
    2020 65 96.9% 99.7% 103.3%
    2021 66 97.6% 99.4% 101.9%
    2022 46 95.2% 98.3% 100.2%
    2023 66 94.3% 98.6% 102.4%
    2024 63 94.0% 95.8% 98.5%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Nitrate plus Nitrite (as N), FIL, COL -
Lab: NWQL, PCode: 00631, MCode: CL048
Analysis Dates: 10/05/04 through 10/17/11
Open Data Set
Boxplot Description

Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2011 plotvalue = 112% pctrecov = 112% Water Year = 2011 plotvalue = 116% pctrecov = 116% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 94% pctrecov = 94% Water Year = 2010 plotvalue = 94% pctrecov = 94% Water Year = 2010 plotvalue = 94% pctrecov = 94% Water Year = 2010 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2009 plotvalue = 105% pctrecov = 105% Water Year = 2009 plotvalue = 105% pctrecov = 105% Water Year = 2009 plotvalue = 106% pctrecov = 106% Water Year = 2009 plotvalue = 96% pctrecov = 96% Water Year = 2009 plotvalue = 96% pctrecov = 96% Water Year = 2009 plotvalue = 96% pctrecov = 96% Water Year = 2009 plotvalue = 95% pctrecov = 95% Water Year = 2008 plotvalue = 108% pctrecov = 108% Water Year = 2008 plotvalue = 109% pctrecov = 109% Water Year = 2008 plotvalue = 109% pctrecov = 109% Water Year = 2008 plotvalue = 111% pctrecov = 111% Water Year = 2008 plotvalue = 112% pctrecov = 112% Water Year = 2008 plotvalue = 112% pctrecov = 112% Water Year = 2008 plotvalue = 130% pctrecov = 142% Water Year = 2008 plotvalue = 91% pctrecov = 91% Water Year = 2007 plotvalue = 109% pctrecov = 109% Water Year = 2007 plotvalue = 115% pctrecov = 115% Water Year = 2007 plotvalue = 115% pctrecov = 115% Water Year = 2007 plotvalue = 122% pctrecov = 122% Water Year = 2007 plotvalue = 130% pctrecov = 165% Water Year = 2007 plotvalue = 88% pctrecov = 88% Water Year = 2006 plotvalue = 114% pctrecov = 114% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 90% pctrecov = 90% Water Year = 2006 plotvalue = 86% pctrecov = 86% Water Year = 2006 plotvalue = 86% pctrecov = 86% Water Year = 2005 plotvalue = 115% pctrecov = 115% Water Year = 2005 plotvalue = 82% pctrecov = 82% Water Year = 2005 plotvalue = 82% pctrecov = 82% Water Year = 2005 plotvalue = 80% pctrecov = 80% Water Year = 2005 plotvalue = 79% pctrecov = 79% Water Year = 2005 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 70% pctrecov = 63% Water Year = 2005 plotvalue = 70% pctrecov = 26% Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2012 First Quartile = 98% Median = 98% Third Quartile = 99% Number of Observations = 5 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 138 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2007 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2006 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2005 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 131 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Water Year = 2004 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Nitrate plus Nitrite (as N), FIL, COL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Nitrate plus Nitrite (as N), FIL, COL 00631CL048 2004 4 92.4% 94.9% 98.2%
    2005 131 93.9% 98.3% 100.9%
    2006 135 98.4% 100.9% 103.0%
    2007 130 98.5% 100.7% 102.3%
    2008 123 98.0% 99.6% 101.7%
    2009 125 99.3% 100.0% 101.2%
    2010 144 98.4% 99.7% 101.0%
    2011 138 98.2% 99.7% 101.7%
    2012 5 98.0% 98.0% 98.6%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Nitrate plus Nitrite (as N), FIL, COL, LL -
Lab: NWQL, PCode: 00631, MCode: CL050
Analysis Dates: 10/06/04 through 10/18/11
Open Data Set
Boxplot Description

Water Year = 2011 plotvalue = 130% pctrecov = 133% Water Year = 2011 plotvalue = 130% pctrecov = 703% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 94% pctrecov = 94% Water Year = 2010 plotvalue = 83% pctrecov = 83% Water Year = 2009 plotvalue = 130% pctrecov = 573% Water Year = 2009 plotvalue = 92% pctrecov = 92% Water Year = 2009 plotvalue = 70% pctrecov = 57% Water Year = 2008 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 106% pctrecov = 106% Water Year = 2007 plotvalue = 106% pctrecov = 106% Water Year = 2007 plotvalue = 106% pctrecov = 106% Water Year = 2007 plotvalue = 92% pctrecov = 92% Water Year = 2007 plotvalue = 91% pctrecov = 91% Water Year = 2007 plotvalue = 70% pctrecov = 17% Water Year = 2006 plotvalue = 105% pctrecov = 105% Water Year = 2006 plotvalue = 106% pctrecov = 106% Water Year = 2006 plotvalue = 108% pctrecov = 108% Water Year = 2006 plotvalue = 110% pctrecov = 110% Water Year = 2006 plotvalue = 92% pctrecov = 92% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 88% pctrecov = 88% Water Year = 2005 plotvalue = 108% pctrecov = 108% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 113% pctrecov = 113% Water Year = 2005 plotvalue = 119% pctrecov = 119% Water Year = 2005 plotvalue = 70% pctrecov = 53% Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2012 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 4 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 137 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2009 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 115 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 129 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 120 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 132 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Water Year = 2005 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 128 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Nitrate plus Nitrite (as N), FIL, COL, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Nitrate plus Nitrite (as N), FIL, COL, LL 00631CL050 2005 128 94.2% 97.3% 99.7%
    2006 132 97.4% 99.0% 100.5%
    2007 120 97.1% 98.5% 100.0%
    2008 129 97.1% 98.6% 100.0%
    2009 115 98.7% 100.1% 102.0%
    2010 144 100.1% 101.8% 103.9%
    2011 137 97.9% 100.0% 101.8%
    2012 4 100.0% 100.8% 101.6%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Orthophosphate as P, water, fltd -
Lab: NWQL, PCode: 00671, MCode: PHM01
Analysis Dates: 06/02/06 through 10/23/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 114% pctrecov = 114% Water Year = 2024 plotvalue = 115% pctrecov = 115% Water Year = 2022 plotvalue = 114% pctrecov = 114% Water Year = 2022 plotvalue = 117% pctrecov = 117% Water Year = 2021 plotvalue = 119% pctrecov = 119% Water Year = 2021 plotvalue = 126% pctrecov = 126% Water Year = 2020 plotvalue = 119% pctrecov = 119% Water Year = 2020 plotvalue = 85% pctrecov = 85% Water Year = 2020 plotvalue = 82% pctrecov = 82% Water Year = 2020 plotvalue = 70% pctrecov = 3% Water Year = 2017 plotvalue = 94% pctrecov = 94% Water Year = 2016 plotvalue = 110% pctrecov = 110% Water Year = 2016 plotvalue = 93% pctrecov = 93% Water Year = 2016 plotvalue = 70% pctrecov = 39% Water Year = 2016 plotvalue = 70% pctrecov = 44% Water Year = 2015 plotvalue = 111% pctrecov = 111% Water Year = 2015 plotvalue = 112% pctrecov = 112% Water Year = 2015 plotvalue = 93% pctrecov = 93% Water Year = 2015 plotvalue = 70% pctrecov = 3% Water Year = 2014 plotvalue = 113% pctrecov = 113% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 70% pctrecov = 3% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 117% pctrecov = 117% Water Year = 2013 plotvalue = 70% pctrecov = 7% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2010 plotvalue = 115% pctrecov = 115% Water Year = 2010 plotvalue = 122% pctrecov = 122% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2010 plotvalue = 70% pctrecov = 43% Water Year = 2010 plotvalue = 70% pctrecov = 42% Water Year = 2009 plotvalue = 117% pctrecov = 117% Water Year = 2009 plotvalue = 130% pctrecov = 237% Water Year = 2008 plotvalue = 89% pctrecov = 89% Water Year = 2007 plotvalue = 108% pctrecov = 108% Water Year = 2007 plotvalue = 91% pctrecov = 91% Water Year = 2006 plotvalue = 118% pctrecov = 118% Water Year = 2006 plotvalue = 92% pctrecov = 92% Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 68 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2022 First Quartile = 97% Median = 101% Third Quartile = 104% Number of Observations = 91 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2021 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 96 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2020 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 111% Number of Observations = 80 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 87 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 67 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 108 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 116 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2011 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 120 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 144 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 137 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 117 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 97 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Orthophosphate as P, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Orthophosphate as P, water, fltd 00671PHM01 2006 97 98.4% 100.2% 101.5%
    2007 117 98.5% 100.5% 102.2%
    2008 108 96.7% 99.4% 101.5%
    2009 137 99.5% 103.4% 106.2%
    2010 144 100.0% 102.9% 105.2%
    2011 120 100.0% 101.8% 104.4%
    2012 116 99.3% 100.9% 102.7%
    2013 108 99.5% 101.3% 103.3%
    2014 67 98.0% 100.3% 102.3%
    2015 96 99.6% 101.5% 103.9%
    2016 96 100.4% 102.0% 104.3%
    2017 87 99.5% 101.5% 103.1%
    2019 80 99.9% 102.8% 110.7%
    2020 95 98.0% 101.7% 105.7%
    2021 96 98.2% 102.0% 105.9%
    2022 91 97.4% 100.6% 103.8%
    2023 96 100.4% 102.2% 105.9%
    2024 68 101.8% 103.9% 106.0%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, FIL, CFA, ACD, LL -
Lab: NWQL, PCode: 00666, MCode: CL019
Analysis Dates: 11/10/04 through 10/07/11
Open Data Set
Boxplot Description

Water Year = 2011 plotvalue = 112% pctrecov = 112% Water Year = 2011 plotvalue = 114% pctrecov = 114% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 88% pctrecov = 88% Water Year = 2009 plotvalue = 106% pctrecov = 106% Water Year = 2009 plotvalue = 106% pctrecov = 106% Water Year = 2009 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 110% pctrecov = 110% Water Year = 2007 plotvalue = 110% pctrecov = 110% Water Year = 2007 plotvalue = 94% pctrecov = 94% Water Year = 2007 plotvalue = 94% pctrecov = 94% Water Year = 2006 plotvalue = 115% pctrecov = 115% Water Year = 2006 plotvalue = 70% pctrecov = 2% Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 60 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 59 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 54 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2008 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 37 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2007 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2006 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 36 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 27 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, FIL, CFA, ACD, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, FIL, CFA, ACD, LL 00666CL019 2005 27 100.8% 102.5% 104.9%
    2006 36 100.5% 102.6% 105.1%
    2007 47 99.5% 100.7% 102.0%
    2008 37 97.7% 99.6% 101.1%
    2009 54 100.0% 101.3% 102.1%
    2010 59 98.7% 100.0% 102.4%
    2011 60 97.2% 99.5% 101.3%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, FIL, CFA, ALK-P, ACD -
Lab: NWQL, PCode: 00666, MCode: CL062
Analysis Dates: 10/19/04 through 05/20/09
Open Data Set
Boxplot Description

Water Year = 2008 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 105% pctrecov = 105% Water Year = 2005 plotvalue = 107% pctrecov = 107% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2009 First Quartile = 99% Median = 99% Third Quartile = 101% Number of Observations = 6 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 11 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 48 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Water Year = 2005 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 45 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, FIL, CFA, ALK-P, ACD

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, FIL, CFA, ALK-P, ACD 00666CL062 2005 45 98.6% 100.0% 101.2%
    2006 48 96.2% 98.4% 100.8%
    2008 11 96.6% 98.5% 99.5%
    2009 6 99.0% 99.5% 101.4%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, fltd -
Lab: NWQL, PCode: 00666, MCode: CL063
Analysis Dates: 10/13/04 through 10/16/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 113% pctrecov = 113% Water Year = 2024 plotvalue = 85% pctrecov = 85% Water Year = 2023 plotvalue = 78% pctrecov = 78% Water Year = 2022 plotvalue = 90% pctrecov = 90% Water Year = 2021 plotvalue = 119% pctrecov = 119% Water Year = 2020 plotvalue = 110% pctrecov = 110% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2015 plotvalue = 110% pctrecov = 110% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2013 plotvalue = 85% pctrecov = 85% Water Year = 2013 plotvalue = 84% pctrecov = 84% Water Year = 2013 plotvalue = 70% pctrecov = 62% Water Year = 2013 plotvalue = 70% pctrecov = 63% Water Year = 2013 plotvalue = 70% pctrecov = 54% Water Year = 2012 plotvalue = 106% pctrecov = 106% Water Year = 2012 plotvalue = 70% pctrecov = 66% Water Year = 2011 plotvalue = 70% pctrecov = 10% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2008 plotvalue = 107% pctrecov = 107% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 130% pctrecov = 1231% Water Year = 2007 plotvalue = 85% pctrecov = 85% Water Year = 2007 plotvalue = 85% pctrecov = 85% Water Year = 2007 plotvalue = 78% pctrecov = 78% Water Year = 2006 plotvalue = 70% pctrecov = 7% Water Year = 2006 plotvalue = 70% pctrecov = 7% Water Year = 2005 plotvalue = 111% pctrecov = 111% Water Year = 2005 plotvalue = 121% pctrecov = 121% Water Year = 2005 plotvalue = 130% pctrecov = 193% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 70% pctrecov = 11% Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 19 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 21 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2022 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 104% Number of Observations = 3 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 24 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 23 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 36 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 49 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 52 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2008 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 81 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2007 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2006 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 97 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 133 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, fltd 00666CL063 2005 133 98.5% 101.2% 103.2%
    2006 97 96.8% 98.9% 101.8%
    2007 44 97.5% 99.8% 102.7%
    2008 81 98.1% 99.3% 101.5%
    2009 52 97.5% 99.8% 102.3%
    2010 49 98.1% 100.3% 101.6%
    2011 48 95.6% 98.5% 100.0%
    2012 48 98.3% 99.8% 101.1%
    2013 36 96.8% 99.3% 101.6%
    2014 23 97.3% 99.1% 100.9%
    2015 24 98.6% 100.7% 101.7%
    2016 24 99.9% 101.9% 104.3%
    2017 24 97.2% 100.0% 101.7%
    2019 3 100.0% 104.0% 104.1%
    2020 24 98.5% 100.0% 102.2%
    2021 24 100.2% 102.3% 105.1%
    2022 24 97.3% 99.4% 101.7%
    2023 21 98.3% 100.0% 105.1%
    2024 19 96.0% 97.7% 99.2%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, fltd -
Lab: NWQL, PCode: 00666, MCode: KJ005
Analysis Dates: 10/05/04 through 10/07/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 78% pctrecov = 78% Water Year = 2024 plotvalue = 70% pctrecov = 47% Water Year = 2023 plotvalue = 115% pctrecov = 115% Water Year = 2023 plotvalue = 115% pctrecov = 115% Water Year = 2023 plotvalue = 74% pctrecov = 74% Water Year = 2022 plotvalue = 73% pctrecov = 73% Water Year = 2022 plotvalue = 70% pctrecov = 49% Water Year = 2021 plotvalue = 85% pctrecov = 85% Water Year = 2021 plotvalue = 82% pctrecov = 82% Water Year = 2020 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 92% pctrecov = 92% Water Year = 2019 plotvalue = 92% pctrecov = 92% Water Year = 2019 plotvalue = 91% pctrecov = 91% Water Year = 2019 plotvalue = 91% pctrecov = 91% Water Year = 2019 plotvalue = 90% pctrecov = 90% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 84% pctrecov = 84% Water Year = 2019 plotvalue = 84% pctrecov = 84% Water Year = 2019 plotvalue = 70% pctrecov = 1% Water Year = 2017 plotvalue = 109% pctrecov = 109% Water Year = 2017 plotvalue = 112% pctrecov = 112% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 84% pctrecov = 84% Water Year = 2016 plotvalue = 70% pctrecov = 31% Water Year = 2015 plotvalue = 84% pctrecov = 84% Water Year = 2013 plotvalue = 105% pctrecov = 105% Water Year = 2013 plotvalue = 91% pctrecov = 91% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 106% pctrecov = 106% Water Year = 2012 plotvalue = 106% pctrecov = 106% Water Year = 2012 plotvalue = 94% pctrecov = 94% Water Year = 2012 plotvalue = 94% pctrecov = 94% Water Year = 2012 plotvalue = 94% pctrecov = 94% Water Year = 2012 plotvalue = 94% pctrecov = 94% Water Year = 2012 plotvalue = 93% pctrecov = 93% Water Year = 2012 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 106% pctrecov = 106% Water Year = 2011 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 108% pctrecov = 108% Water Year = 2011 plotvalue = 110% pctrecov = 110% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2009 plotvalue = 108% pctrecov = 108% Water Year = 2009 plotvalue = 92% pctrecov = 92% Water Year = 2008 plotvalue = 88% pctrecov = 88% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 118% pctrecov = 118% Water Year = 2007 plotvalue = 118% pctrecov = 118% Water Year = 2007 plotvalue = 120% pctrecov = 120% Water Year = 2007 plotvalue = 123% pctrecov = 123% Water Year = 2007 plotvalue = 89% pctrecov = 89% Water Year = 2007 plotvalue = 88% pctrecov = 88% Water Year = 2007 plotvalue = 85% pctrecov = 85% Water Year = 2007 plotvalue = 80% pctrecov = 80% Water Year = 2007 plotvalue = 75% pctrecov = 75% Water Year = 2007 plotvalue = 73% pctrecov = 73% Water Year = 2007 plotvalue = 70% pctrecov = 70% Water Year = 2007 plotvalue = 70% pctrecov = 8% Water Year = 2007 plotvalue = 70% pctrecov = 55% Water Year = 2006 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 109% pctrecov = 109% Water Year = 2005 plotvalue = 109% pctrecov = 109% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 93% pctrecov = 93% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2024 First Quartile = 92% Median = 96% Third Quartile = 100% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 96 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2022 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 78 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 77 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 84 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 103 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 125 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2007 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 137 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2006 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 140 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Water Year = 2004 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 3 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, fltd 00666KJ005 2004 3 101.8% 103.5% 106.7%
    2005 136 98.8% 101.0% 102.4%
    2006 140 99.7% 101.6% 103.1%
    2007 137 97.4% 100.5% 102.9%
    2008 125 96.7% 98.5% 100.4%
    2009 136 97.3% 98.8% 100.2%
    2010 144 98.0% 100.0% 101.3%
    2011 138 97.8% 99.3% 100.7%
    2012 134 98.3% 99.4% 100.8%
    2013 103 97.9% 99.2% 100.5%
    2014 84 97.4% 98.9% 102.0%
    2015 90 96.8% 99.8% 103.7%
    2016 90 98.8% 100.4% 102.7%
    2017 77 97.2% 99.8% 101.4%
    2019 78 98.4% 100.7% 101.7%
    2020 74 91.8% 95.6% 98.2%
    2021 74 92.9% 96.0% 98.0%
    2022 74 88.8% 94.0% 98.5%
    2023 96 93.9% 97.2% 101.5%
    2024 92 92.3% 96.2% 99.6%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, fltd, LL -
Lab: NWQL, PCode: 00666, MCode: CL020
Analysis Dates: 10/01/04 through 10/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 113% pctrecov = 113% Water Year = 2023 plotvalue = 70% pctrecov = 2% Water Year = 2023 plotvalue = 70% pctrecov = 3% Water Year = 2021 plotvalue = 92% pctrecov = 92% Water Year = 2020 plotvalue = 129% pctrecov = 129% Water Year = 2020 plotvalue = 93% pctrecov = 93% Water Year = 2020 plotvalue = 93% pctrecov = 93% Water Year = 2020 plotvalue = 91% pctrecov = 91% Water Year = 2019 plotvalue = 113% pctrecov = 113% Water Year = 2019 plotvalue = 130% pctrecov = 7729% Water Year = 2017 plotvalue = 113% pctrecov = 113% Water Year = 2017 plotvalue = 115% pctrecov = 115% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 130% pctrecov = 353% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2015 plotvalue = 115% pctrecov = 115% Water Year = 2015 plotvalue = 121% pctrecov = 121% Water Year = 2014 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 112% pctrecov = 112% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 111% pctrecov = 111% Water Year = 2013 plotvalue = 111% pctrecov = 111% Water Year = 2013 plotvalue = 116% pctrecov = 116% Water Year = 2013 plotvalue = 95% pctrecov = 95% Water Year = 2013 plotvalue = 95% pctrecov = 95% Water Year = 2013 plotvalue = 91% pctrecov = 91% Water Year = 2013 plotvalue = 70% pctrecov = 23% Water Year = 2012 plotvalue = 113% pctrecov = 113% Water Year = 2012 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 110% pctrecov = 110% Water Year = 2011 plotvalue = 110% pctrecov = 110% Water Year = 2011 plotvalue = 110% pctrecov = 110% Water Year = 2011 plotvalue = 111% pctrecov = 111% Water Year = 2011 plotvalue = 130% pctrecov = 134% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2009 plotvalue = 96% pctrecov = 96% Water Year = 2009 plotvalue = 95% pctrecov = 95% Water Year = 2009 plotvalue = 94% pctrecov = 94% Water Year = 2009 plotvalue = 93% pctrecov = 93% Water Year = 2008 plotvalue = 92% pctrecov = 92% Water Year = 2007 plotvalue = 119% pctrecov = 119% Water Year = 2007 plotvalue = 95% pctrecov = 95% Water Year = 2006 plotvalue = 70% pctrecov = 4% Water Year = 2006 plotvalue = 70% pctrecov = 67% Water Year = 2006 plotvalue = 70% pctrecov = 65% Water Year = 2006 plotvalue = 70% pctrecov = 22% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 130% pctrecov = 233% Water Year = 2005 plotvalue = 93% pctrecov = 93% Water Year = 2005 plotvalue = 70% pctrecov = 10% Water Year = 2005 plotvalue = 70% pctrecov = 28% Water Year = 2005 plotvalue = 70% pctrecov = 6% Water Year = 2004 plotvalue = 101% pctrecov = 101% Water Year = 2004 plotvalue = 100% pctrecov = 100% Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 51 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2023 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 66 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 64 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 66 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 65 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 94 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 108 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 143 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2009 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 127 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 104 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 138 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2006 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2005 First Quartile = 99% Median = 102% Third Quartile = 103% Number of Observations = 128 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 9 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, fltd, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, fltd, LL 00666CL020 2004 9 102.4% 102.6% 103.5%
    2005 128 99.4% 101.5% 103.5%
    2006 95 100.4% 103.2% 106.4%
    2007 138 100.3% 102.0% 103.7%
    2008 104 99.2% 101.2% 102.9%
    2009 127 100.2% 101.6% 103.0%
    2010 143 99.5% 101.0% 102.5%
    2011 144 97.6% 99.6% 101.3%
    2012 144 99.2% 101.9% 104.0%
    2013 108 101.0% 102.5% 104.6%
    2014 90 101.2% 103.1% 104.9%
    2015 96 99.9% 102.7% 104.9%
    2016 94 101.7% 103.9% 105.2%
    2017 90 100.8% 103.0% 105.1%
    2019 58 101.3% 103.2% 105.6%
    2020 65 99.1% 101.0% 102.8%
    2021 66 99.8% 101.1% 103.9%
    2022 64 99.5% 101.8% 104.9%
    2023 66 96.0% 99.3% 104.3%
    2024 51 98.1% 101.4% 102.9%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, unfltd -
Lab: NWQL, PCode: 00665, MCode: AKP01
Analysis Dates: 10/13/04 through 10/17/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 106% pctrecov = 106% Water Year = 2023 plotvalue = 113% pctrecov = 113% Water Year = 2022 plotvalue = 107% pctrecov = 107% Water Year = 2021 plotvalue = 117% pctrecov = 117% Water Year = 2014 plotvalue = 116% pctrecov = 116% Water Year = 2013 plotvalue = 93% pctrecov = 93% Water Year = 2013 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 104% pctrecov = 104% Water Year = 2011 plotvalue = 108% pctrecov = 108% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2008 plotvalue = 89% pctrecov = 89% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 120% pctrecov = 120% Water Year = 2007 plotvalue = 123% pctrecov = 123% Water Year = 2007 plotvalue = 130% pctrecov = 1160% Water Year = 2007 plotvalue = 130% pctrecov = 143% Water Year = 2007 plotvalue = 130% pctrecov = 135% Water Year = 2007 plotvalue = 130% pctrecov = 140% Water Year = 2007 plotvalue = 90% pctrecov = 90% Water Year = 2007 plotvalue = 83% pctrecov = 83% Water Year = 2007 plotvalue = 75% pctrecov = 75% Water Year = 2007 plotvalue = 73% pctrecov = 73% Water Year = 2006 plotvalue = 111% pctrecov = 111% Water Year = 2006 plotvalue = 111% pctrecov = 111% Water Year = 2006 plotvalue = 112% pctrecov = 112% Water Year = 2006 plotvalue = 78% pctrecov = 78% Water Year = 2005 plotvalue = 130% pctrecov = 205% Water Year = 2005 plotvalue = 90% pctrecov = 90% Water Year = 2005 plotvalue = 70% pctrecov = 47% Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2024 First Quartile = 94% Median = 96% Third Quartile = 97% Number of Observations = 15 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 23 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 23 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 36 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 21 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 81 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2010 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 95 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 126 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2006 First Quartile = 97% Median = 98% Third Quartile = 102% Number of Observations = 130 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 131 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, unfltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, unfltd 00665AKP01 2005 131 97.8% 100.6% 102.7%
    2006 130 96.5% 98.3% 101.8%
    2007 90 97.4% 99.5% 102.1%
    2008 126 96.5% 98.7% 100.3%
    2009 95 95.7% 98.6% 100.7%
    2010 96 97.6% 99.4% 101.0%
    2011 81 97.0% 98.3% 99.8%
    2012 21 99.2% 99.6% 101.6%
    2013 36 97.7% 99.1% 100.7%
    2014 23 97.7% 98.9% 101.7%
    2015 24 97.4% 100.9% 103.4%
    2016 24 98.3% 101.2% 103.5%
    2017 24 98.3% 101.3% 103.5%
    2019 20 96.6% 99.3% 101.5%
    2020 24 97.8% 99.2% 101.8%
    2021 24 99.8% 103.0% 105.9%
    2022 24 96.4% 98.7% 100.6%
    2023 23 97.8% 100.8% 103.8%
    2024 15 93.8% 96.1% 97.3%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, unfltd -
Lab: NWQL, PCode: 00665, MCode: KJ009
Analysis Dates: 10/05/04 through 10/02/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 129% pctrecov = 129% Water Year = 2024 plotvalue = 77% pctrecov = 77% Water Year = 2024 plotvalue = 70% pctrecov = 5% Water Year = 2023 plotvalue = 112% pctrecov = 112% Water Year = 2023 plotvalue = 113% pctrecov = 113% Water Year = 2023 plotvalue = 116% pctrecov = 116% Water Year = 2023 plotvalue = 121% pctrecov = 121% Water Year = 2022 plotvalue = 113% pctrecov = 113% Water Year = 2022 plotvalue = 121% pctrecov = 121% Water Year = 2022 plotvalue = 73% pctrecov = 73% Water Year = 2021 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 85% pctrecov = 85% Water Year = 2021 plotvalue = 82% pctrecov = 82% Water Year = 2020 plotvalue = 83% pctrecov = 83% Water Year = 2020 plotvalue = 83% pctrecov = 83% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 92% pctrecov = 92% Water Year = 2019 plotvalue = 90% pctrecov = 90% Water Year = 2019 plotvalue = 90% pctrecov = 90% Water Year = 2019 plotvalue = 89% pctrecov = 89% Water Year = 2019 plotvalue = 87% pctrecov = 87% Water Year = 2019 plotvalue = 85% pctrecov = 85% Water Year = 2019 plotvalue = 84% pctrecov = 84% Water Year = 2017 plotvalue = 105% pctrecov = 105% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 109% pctrecov = 109% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 89% pctrecov = 89% Water Year = 2016 plotvalue = 70% pctrecov = 32% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 92% pctrecov = 92% Water Year = 2013 plotvalue = 89% pctrecov = 89% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 93% pctrecov = 93% Water Year = 2012 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 105% pctrecov = 105% Water Year = 2011 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 92% pctrecov = 92% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2009 plotvalue = 105% pctrecov = 105% Water Year = 2008 plotvalue = 103% pctrecov = 103% Water Year = 2008 plotvalue = 93% pctrecov = 93% Water Year = 2008 plotvalue = 93% pctrecov = 93% Water Year = 2008 plotvalue = 91% pctrecov = 91% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 130% pctrecov = 155% Water Year = 2007 plotvalue = 130% pctrecov = 150% Water Year = 2007 plotvalue = 130% pctrecov = 147% Water Year = 2007 plotvalue = 88% pctrecov = 88% Water Year = 2007 plotvalue = 88% pctrecov = 88% Water Year = 2007 plotvalue = 87% pctrecov = 87% Water Year = 2007 plotvalue = 85% pctrecov = 85% Water Year = 2007 plotvalue = 83% pctrecov = 83% Water Year = 2007 plotvalue = 78% pctrecov = 78% Water Year = 2007 plotvalue = 73% pctrecov = 73% Water Year = 2007 plotvalue = 70% pctrecov = 8% Water Year = 2007 plotvalue = 70% pctrecov = 67% Water Year = 2007 plotvalue = 70% pctrecov = 60% Water Year = 2007 plotvalue = 70% pctrecov = 50% Water Year = 2007 plotvalue = 70% pctrecov = 65% Water Year = 2006 plotvalue = 108% pctrecov = 108% Water Year = 2006 plotvalue = 90% pctrecov = 90% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2005 plotvalue = 107% pctrecov = 107% Water Year = 2005 plotvalue = 107% pctrecov = 107% Water Year = 2005 plotvalue = 109% pctrecov = 109% Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 112% pctrecov = 112% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2005 plotvalue = 93% pctrecov = 93% Water Year = 2005 plotvalue = 93% pctrecov = 93% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 77% pctrecov = 77% Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2024 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 85 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2023 First Quartile = 93% Median = 96% Third Quartile = 101% Number of Observations = 96 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2022 First Quartile = 90% Median = 95% Third Quartile = 98% Number of Observations = 77 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 96% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2020 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 74 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 78 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 77 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 84 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 103 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 138 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 136 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2008 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 125 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2007 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 136 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 140 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2005 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 136 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Water Year = 2004 First Quartile = 100% Median = 102% Third Quartile = 102% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, unfltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, unfltd 00665KJ009 2004 4 100.1% 101.7% 102.3%
    2005 136 99.0% 100.6% 102.0%
    2006 140 98.6% 100.9% 102.2%
    2007 136 96.7% 99.3% 102.0%
    2008 125 96.7% 98.2% 99.3%
    2009 136 97.0% 98.5% 100.0%
    2010 144 96.3% 98.6% 100.6%
    2011 138 97.0% 98.4% 100.0%
    2012 134 97.2% 98.5% 99.6%
    2013 103 96.7% 97.8% 99.5%
    2014 84 96.4% 98.2% 101.4%
    2015 90 97.5% 100.0% 103.2%
    2016 90 98.4% 100.5% 102.4%
    2017 77 98.0% 99.5% 100.9%
    2019 78 98.2% 99.8% 101.0%
    2020 74 91.8% 95.5% 97.9%
    2021 74 93.5% 96.4% 98.0%
    2022 77 89.9% 95.0% 97.8%
    2023 96 93.2% 96.2% 100.7%
    2024 85 91.7% 96.5% 100.8%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Phosphorus as P, water, unfltd, LL -
Lab: NWQL, PCode: 00665, MCode: CL021
Analysis Dates: 10/01/04 through 10/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 109% pctrecov = 109% Water Year = 2024 plotvalue = 110% pctrecov = 110% Water Year = 2024 plotvalue = 130% pctrecov = 491% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 91% pctrecov = 91% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2022 plotvalue = 109% pctrecov = 109% Water Year = 2022 plotvalue = 111% pctrecov = 111% Water Year = 2022 plotvalue = 90% pctrecov = 90% Water Year = 2021 plotvalue = 118% pctrecov = 118% Water Year = 2021 plotvalue = 87% pctrecov = 87% Water Year = 2020 plotvalue = 108% pctrecov = 108% Water Year = 2020 plotvalue = 95% pctrecov = 95% Water Year = 2020 plotvalue = 94% pctrecov = 94% Water Year = 2019 plotvalue = 113% pctrecov = 113% Water Year = 2017 plotvalue = 120% pctrecov = 120% Water Year = 2017 plotvalue = 130% pctrecov = 131% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 113% pctrecov = 113% Water Year = 2016 plotvalue = 116% pctrecov = 116% Water Year = 2016 plotvalue = 118% pctrecov = 118% Water Year = 2016 plotvalue = 118% pctrecov = 118% Water Year = 2016 plotvalue = 120% pctrecov = 120% Water Year = 2016 plotvalue = 130% pctrecov = 184% Water Year = 2016 plotvalue = 130% pctrecov = 346% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2015 plotvalue = 109% pctrecov = 109% Water Year = 2015 plotvalue = 110% pctrecov = 110% Water Year = 2015 plotvalue = 112% pctrecov = 112% Water Year = 2015 plotvalue = 114% pctrecov = 114% Water Year = 2015 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 122% pctrecov = 122% Water Year = 2014 plotvalue = 130% pctrecov = 131% Water Year = 2014 plotvalue = 130% pctrecov = 153% Water Year = 2014 plotvalue = 89% pctrecov = 89% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 113% pctrecov = 113% Water Year = 2013 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 117% pctrecov = 117% Water Year = 2011 plotvalue = 117% pctrecov = 117% Water Year = 2011 plotvalue = 117% pctrecov = 117% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 109% pctrecov = 109% Water Year = 2010 plotvalue = 117% pctrecov = 117% Water Year = 2010 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 85% pctrecov = 85% Water Year = 2009 plotvalue = 107% pctrecov = 107% Water Year = 2009 plotvalue = 108% pctrecov = 108% Water Year = 2009 plotvalue = 110% pctrecov = 110% Water Year = 2009 plotvalue = 130% pctrecov = 155% Water Year = 2009 plotvalue = 96% pctrecov = 96% Water Year = 2008 plotvalue = 114% pctrecov = 114% Water Year = 2008 plotvalue = 93% pctrecov = 93% Water Year = 2007 plotvalue = 112% pctrecov = 112% Water Year = 2007 plotvalue = 94% pctrecov = 94% Water Year = 2006 plotvalue = 112% pctrecov = 112% Water Year = 2006 plotvalue = 116% pctrecov = 116% Water Year = 2006 plotvalue = 96% pctrecov = 96% Water Year = 2006 plotvalue = 94% pctrecov = 94% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 81% pctrecov = 81% Water Year = 2006 plotvalue = 70% pctrecov = 61% Water Year = 2006 plotvalue = 70% pctrecov = 50% Water Year = 2005 plotvalue = 130% pctrecov = 146% Water Year = 2005 plotvalue = 130% pctrecov = 224% Water Year = 2004 plotvalue = 99% pctrecov = 99% Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 66 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 65 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 58 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2017 First Quartile = 104% Median = 107% Third Quartile = 110% Number of Observations = 90 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 94 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2015 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 96 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 101% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 103% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2009 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 135 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 106 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 139 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2006 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 109 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 131 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Water Year = 2004 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 5 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Phosphorus as P, water, unfltd, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Phosphorus as P, water, unfltd, LL 00665CL021 2004 5 101.6% 102.9% 103.1%
    2005 131 100.0% 101.7% 104.0%
    2006 109 102.4% 104.2% 106.0%
    2007 139 99.9% 101.9% 103.8%
    2008 106 98.8% 100.4% 102.2%
    2009 135 100.0% 101.2% 102.7%
    2010 144 99.2% 100.5% 101.9%
    2011 144 98.4% 100.1% 101.7%
    2012 144 98.4% 101.6% 103.3%
    2013 108 100.0% 102.0% 103.8%
    2014 90 100.6% 102.4% 104.5%
    2015 96 99.9% 102.0% 103.7%
    2016 94 102.5% 104.2% 105.9%
    2017 90 103.8% 106.6% 109.5%
    2019 58 101.4% 103.1% 105.8%
    2020 65 100.7% 101.6% 103.6%
    2021 66 99.3% 101.4% 103.5%
    2022 63 99.2% 101.1% 103.1%
    2023 66 96.6% 99.3% 102.5%
    2024 48 99.7% 101.2% 103.2%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total ammonia + organic nitrogen as N, water, fltd -
Lab: NWQL, PCode: 00623, MCode: KJ002
Analysis Dates: 10/05/04 through 10/07/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 130% pctrecov = 135% Water Year = 2024 plotvalue = 130% pctrecov = 137% Water Year = 2024 plotvalue = 130% pctrecov = 198% Water Year = 2021 plotvalue = 130% pctrecov = 132% Water Year = 2021 plotvalue = 78% pctrecov = 78% Water Year = 2021 plotvalue = 76% pctrecov = 76% Water Year = 2021 plotvalue = 72% pctrecov = 72% Water Year = 2021 plotvalue = 72% pctrecov = 72% Water Year = 2021 plotvalue = 70% pctrecov = 70% Water Year = 2021 plotvalue = 70% pctrecov = 67% Water Year = 2020 plotvalue = 130% pctrecov = 140% Water Year = 2020 plotvalue = 72% pctrecov = 72% Water Year = 2020 plotvalue = 70% pctrecov = 58% Water Year = 2020 plotvalue = 70% pctrecov = 68% Water Year = 2020 plotvalue = 70% pctrecov = 57% Water Year = 2020 plotvalue = 70% pctrecov = 67% Water Year = 2019 plotvalue = 121% pctrecov = 121% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 78% pctrecov = 78% Water Year = 2019 plotvalue = 70% pctrecov = 2% Water Year = 2019 plotvalue = 70% pctrecov = 70% Water Year = 2019 plotvalue = 70% pctrecov = 38% Water Year = 2017 plotvalue = 130% pctrecov = 133% Water Year = 2016 plotvalue = 115% pctrecov = 115% Water Year = 2016 plotvalue = 129% pctrecov = 129% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 81% pctrecov = 81% Water Year = 2016 plotvalue = 79% pctrecov = 79% Water Year = 2016 plotvalue = 79% pctrecov = 79% Water Year = 2016 plotvalue = 78% pctrecov = 78% Water Year = 2016 plotvalue = 76% pctrecov = 76% Water Year = 2016 plotvalue = 71% pctrecov = 71% Water Year = 2016 plotvalue = 70% pctrecov = 70% Water Year = 2016 plotvalue = 70% pctrecov = 50% Water Year = 2016 plotvalue = 70% pctrecov = 68% Water Year = 2016 plotvalue = 70% pctrecov = 58% Water Year = 2015 plotvalue = 130% pctrecov = 141% Water Year = 2015 plotvalue = 70% pctrecov = 70% Water Year = 2014 plotvalue = 117% pctrecov = 117% Water Year = 2014 plotvalue = 118% pctrecov = 118% Water Year = 2014 plotvalue = 119% pctrecov = 119% Water Year = 2014 plotvalue = 121% pctrecov = 121% Water Year = 2014 plotvalue = 123% pctrecov = 123% Water Year = 2014 plotvalue = 130% pctrecov = 187% Water Year = 2014 plotvalue = 130% pctrecov = 149% Water Year = 2014 plotvalue = 130% pctrecov = 133% Water Year = 2014 plotvalue = 130% pctrecov = 135% Water Year = 2014 plotvalue = 130% pctrecov = 139% Water Year = 2014 plotvalue = 130% pctrecov = 132% Water Year = 2014 plotvalue = 130% pctrecov = 180% Water Year = 2014 plotvalue = 87% pctrecov = 87% Water Year = 2014 plotvalue = 86% pctrecov = 86% Water Year = 2014 plotvalue = 76% pctrecov = 76% Water Year = 2014 plotvalue = 70% pctrecov = 60% Water Year = 2014 plotvalue = 70% pctrecov = 58% Water Year = 2013 plotvalue = 120% pctrecov = 120% Water Year = 2013 plotvalue = 77% pctrecov = 77% Water Year = 2013 plotvalue = 77% pctrecov = 77% Water Year = 2013 plotvalue = 70% pctrecov = 69% Water Year = 2013 plotvalue = 70% pctrecov = 69% Water Year = 2012 plotvalue = 115% pctrecov = 115% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2012 plotvalue = 117% pctrecov = 117% Water Year = 2012 plotvalue = 120% pctrecov = 120% Water Year = 2012 plotvalue = 84% pctrecov = 84% Water Year = 2012 plotvalue = 84% pctrecov = 84% Water Year = 2012 plotvalue = 83% pctrecov = 83% Water Year = 2012 plotvalue = 81% pctrecov = 81% Water Year = 2012 plotvalue = 79% pctrecov = 79% Water Year = 2012 plotvalue = 76% pctrecov = 76% Water Year = 2012 plotvalue = 70% pctrecov = 57% Water Year = 2011 plotvalue = 118% pctrecov = 118% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 124% pctrecov = 124% Water Year = 2011 plotvalue = 130% pctrecov = 174% Water Year = 2011 plotvalue = 82% pctrecov = 82% Water Year = 2011 plotvalue = 79% pctrecov = 79% Water Year = 2011 plotvalue = 79% pctrecov = 79% Water Year = 2010 plotvalue = 127% pctrecov = 127% Water Year = 2010 plotvalue = 84% pctrecov = 84% Water Year = 2010 plotvalue = 83% pctrecov = 83% Water Year = 2009 plotvalue = 113% pctrecov = 113% Water Year = 2009 plotvalue = 114% pctrecov = 114% Water Year = 2009 plotvalue = 114% pctrecov = 114% Water Year = 2009 plotvalue = 130% pctrecov = 166% Water Year = 2009 plotvalue = 87% pctrecov = 87% Water Year = 2009 plotvalue = 86% pctrecov = 86% Water Year = 2009 plotvalue = 85% pctrecov = 85% Water Year = 2009 plotvalue = 85% pctrecov = 85% Water Year = 2009 plotvalue = 84% pctrecov = 84% Water Year = 2009 plotvalue = 81% pctrecov = 81% Water Year = 2008 plotvalue = 78% pctrecov = 78% Water Year = 2008 plotvalue = 76% pctrecov = 76% Water Year = 2007 plotvalue = 130% pctrecov = 154% Water Year = 2007 plotvalue = 130% pctrecov = 185% Water Year = 2007 plotvalue = 70% pctrecov = 50% Water Year = 2007 plotvalue = 70% pctrecov = 68% Water Year = 2007 plotvalue = 70% pctrecov = 61% Water Year = 2007 plotvalue = 70% pctrecov = 60% Water Year = 2007 plotvalue = 70% pctrecov = 3% Water Year = 2007 plotvalue = 70% pctrecov = 63% Water Year = 2007 plotvalue = 70% pctrecov = 60% Water Year = 2007 plotvalue = 70% pctrecov = 14% Water Year = 2007 plotvalue = 70% pctrecov = 53% Water Year = 2007 plotvalue = 70% pctrecov = 63% Water Year = 2007 plotvalue = 70% pctrecov = 59% Water Year = 2007 plotvalue = 70% pctrecov = 67% Water Year = 2007 plotvalue = 70% pctrecov = 54% Water Year = 2006 plotvalue = 130% pctrecov = 138% Water Year = 2006 plotvalue = 130% pctrecov = 224% Water Year = 2005 plotvalue = 120% pctrecov = 120% Water Year = 2005 plotvalue = 130% pctrecov = 134% Water Year = 2005 plotvalue = 83% pctrecov = 83% Water Year = 2005 plotvalue = 83% pctrecov = 83% Water Year = 2005 plotvalue = 82% pctrecov = 82% Water Year = 2005 plotvalue = 81% pctrecov = 81% Water Year = 2005 plotvalue = 81% pctrecov = 81% Water Year = 2005 plotvalue = 79% pctrecov = 79% Water Year = 2005 plotvalue = 70% pctrecov = 69% Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2024 First Quartile = 85% Median = 94% Third Quartile = 98% Number of Observations = 91 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 87% Third Quartile = 100% Number of Observations = 96 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2022 First Quartile = 76% Median = 97% Third Quartile = 102% Number of Observations = 54 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 90% Median = 97% Third Quartile = 101% Number of Observations = 74 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2017 First Quartile = 89% Median = 99% Third Quartile = 102% Number of Observations = 77 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2015 First Quartile = 92% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2014 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 82 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 99% Third Quartile = 104% Number of Observations = 103 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2012 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 144 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2009 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 124 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 125 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2007 First Quartile = 90% Median = 97% Third Quartile = 102% Number of Observations = 123 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 132 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Water Year = 2004 First Quartile = 94% Median = 104% Third Quartile = 106% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total ammonia + organic nitrogen as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total ammonia + organic nitrogen as N, water, fltd 00623KJ002 2004 4 94.4% 103.6% 106.2%
    2005 136 96.5% 101.6% 105.2%
    2006 132 91.9% 97.1% 102.6%
    2007 123 90.0% 97.0% 101.6%
    2008 125 93.0% 96.7% 101.3%
    2009 124 95.2% 98.1% 100.6%
    2010 144 96.2% 100.8% 104.3%
    2011 132 95.5% 99.7% 104.1%
    2012 134 95.5% 99.5% 103.1%
    2013 103 93.5% 98.6% 103.7%
    2014 82 98.3% 101.3% 105.6%
    2015 90 91.6% 101.1% 104.9%
    2016 90 95.0% 99.0% 102.2%
    2017 77 88.8% 98.6% 101.7%
    2019 78 94.4% 100.9% 103.3%
    2020 74 90.3% 97.3% 100.8%
    2021 74 93.0% 98.5% 102.5%
    2022 54 76.1% 96.8% 101.9%
    2023 96 81.4% 87.3% 100.2%
    2024 91 85.0% 93.5% 97.9%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total ammonia + organic nitrogen as N, water, fltd -
Lab: NWQL, PCode: 00623, MCode: KJ003
Analysis Dates: 10/20/04 through 10/17/06
Open Data Set
Boxplot Description

Water Year = 2006 plotvalue = 118% pctrecov = 118% Water Year = 2005 plotvalue = 128% pctrecov = 128% Water Year = 2005 plotvalue = 130% pctrecov = 377% Water Year = 2005 plotvalue = 75% pctrecov = 75% Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 101% Number of Observations = 32 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 104% Number of Observations = 41 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total ammonia + organic nitrogen as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total ammonia + organic nitrogen as N, water, fltd 00623KJ003 2005 41 94.9% 98.6% 103.6%
    2006 32 93.3% 96.7% 101.0%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total ammonia + organic nitrogen as N, water, unfltd -
Lab: NWQL, PCode: 00625, MCode: KJ008
Analysis Dates: 10/05/04 through 10/02/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 129% pctrecov = 129% Water Year = 2024 plotvalue = 130% pctrecov = 174% Water Year = 2024 plotvalue = 130% pctrecov = 130% Water Year = 2024 plotvalue = 130% pctrecov = 135% Water Year = 2024 plotvalue = 130% pctrecov = 146% Water Year = 2023 plotvalue = 127% pctrecov = 127% Water Year = 2023 plotvalue = 130% pctrecov = 173% Water Year = 2023 plotvalue = 130% pctrecov = 240% Water Year = 2023 plotvalue = 130% pctrecov = 169% Water Year = 2023 plotvalue = 130% pctrecov = 150% Water Year = 2021 plotvalue = 128% pctrecov = 128% Water Year = 2021 plotvalue = 130% pctrecov = 132% Water Year = 2019 plotvalue = 119% pctrecov = 119% Water Year = 2019 plotvalue = 130% pctrecov = 150% Water Year = 2019 plotvalue = 130% pctrecov = 295% Water Year = 2019 plotvalue = 79% pctrecov = 79% Water Year = 2019 plotvalue = 78% pctrecov = 78% Water Year = 2019 plotvalue = 78% pctrecov = 78% Water Year = 2019 plotvalue = 76% pctrecov = 76% Water Year = 2019 plotvalue = 71% pctrecov = 71% Water Year = 2017 plotvalue = 130% pctrecov = 136% Water Year = 2016 plotvalue = 118% pctrecov = 118% Water Year = 2016 plotvalue = 125% pctrecov = 125% Water Year = 2016 plotvalue = 125% pctrecov = 125% Water Year = 2016 plotvalue = 130% pctrecov = 140% Water Year = 2016 plotvalue = 130% pctrecov = 132% Water Year = 2016 plotvalue = 78% pctrecov = 78% Water Year = 2016 plotvalue = 78% pctrecov = 78% Water Year = 2016 plotvalue = 78% pctrecov = 78% Water Year = 2016 plotvalue = 71% pctrecov = 71% Water Year = 2016 plotvalue = 70% pctrecov = 70% Water Year = 2016 plotvalue = 70% pctrecov = 70% Water Year = 2016 plotvalue = 70% pctrecov = 13% Water Year = 2015 plotvalue = 123% pctrecov = 123% Water Year = 2015 plotvalue = 125% pctrecov = 125% Water Year = 2015 plotvalue = 130% pctrecov = 144% Water Year = 2015 plotvalue = 78% pctrecov = 78% Water Year = 2015 plotvalue = 75% pctrecov = 75% Water Year = 2015 plotvalue = 75% pctrecov = 75% Water Year = 2014 plotvalue = 114% pctrecov = 114% Water Year = 2014 plotvalue = 117% pctrecov = 117% Water Year = 2014 plotvalue = 120% pctrecov = 120% Water Year = 2014 plotvalue = 121% pctrecov = 121% Water Year = 2014 plotvalue = 124% pctrecov = 124% Water Year = 2014 plotvalue = 129% pctrecov = 129% Water Year = 2014 plotvalue = 130% pctrecov = 154% Water Year = 2014 plotvalue = 130% pctrecov = 142% Water Year = 2014 plotvalue = 130% pctrecov = 147% Water Year = 2014 plotvalue = 85% pctrecov = 85% Water Year = 2014 plotvalue = 80% pctrecov = 80% Water Year = 2013 plotvalue = 73% pctrecov = 73% Water Year = 2013 plotvalue = 73% pctrecov = 73% Water Year = 2012 plotvalue = 121% pctrecov = 121% Water Year = 2012 plotvalue = 125% pctrecov = 125% Water Year = 2012 plotvalue = 130% pctrecov = 131% Water Year = 2012 plotvalue = 78% pctrecov = 78% Water Year = 2012 plotvalue = 72% pctrecov = 72% Water Year = 2011 plotvalue = 112% pctrecov = 112% Water Year = 2011 plotvalue = 113% pctrecov = 113% Water Year = 2011 plotvalue = 115% pctrecov = 115% Water Year = 2011 plotvalue = 117% pctrecov = 117% Water Year = 2011 plotvalue = 118% pctrecov = 118% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 126% pctrecov = 126% Water Year = 2011 plotvalue = 72% pctrecov = 72% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2010 plotvalue = 84% pctrecov = 84% Water Year = 2010 plotvalue = 84% pctrecov = 84% Water Year = 2010 plotvalue = 83% pctrecov = 83% Water Year = 2010 plotvalue = 81% pctrecov = 81% Water Year = 2009 plotvalue = 109% pctrecov = 109% Water Year = 2009 plotvalue = 125% pctrecov = 125% Water Year = 2009 plotvalue = 130% pctrecov = 130% Water Year = 2009 plotvalue = 84% pctrecov = 84% Water Year = 2009 plotvalue = 84% pctrecov = 84% Water Year = 2009 plotvalue = 82% pctrecov = 82% Water Year = 2009 plotvalue = 76% pctrecov = 76% Water Year = 2008 plotvalue = 124% pctrecov = 124% Water Year = 2008 plotvalue = 130% pctrecov = 196% Water Year = 2008 plotvalue = 83% pctrecov = 83% Water Year = 2008 plotvalue = 82% pctrecov = 82% Water Year = 2008 plotvalue = 81% pctrecov = 81% Water Year = 2008 plotvalue = 80% pctrecov = 80% Water Year = 2008 plotvalue = 75% pctrecov = 75% Water Year = 2008 plotvalue = 74% pctrecov = 74% Water Year = 2007 plotvalue = 125% pctrecov = 125% Water Year = 2007 plotvalue = 130% pctrecov = 145% Water Year = 2007 plotvalue = 130% pctrecov = 140% Water Year = 2006 plotvalue = 129% pctrecov = 129% Water Year = 2006 plotvalue = 130% pctrecov = 162% Water Year = 2006 plotvalue = 130% pctrecov = 189% Water Year = 2005 plotvalue = 84% pctrecov = 84% Water Year = 2005 plotvalue = 81% pctrecov = 81% Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2024 First Quartile = 81% Median = 94% Third Quartile = 100% Number of Observations = 85 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2023 First Quartile = 81% Median = 90% Third Quartile = 100% Number of Observations = 96 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2022 First Quartile = 72% Median = 95% Third Quartile = 103% Number of Observations = 55 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2021 First Quartile = 89% Median = 100% Third Quartile = 103% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2020 First Quartile = 88% Median = 98% Third Quartile = 101% Number of Observations = 74 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 101% Third Quartile = 104% Number of Observations = 78 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2017 First Quartile = 86% Median = 97% Third Quartile = 101% Number of Observations = 77 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 94% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2014 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 84 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2013 First Quartile = 93% Median = 98% Third Quartile = 102% Number of Observations = 103 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 134 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 144 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2009 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 124 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 125 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 90% Median = 99% Third Quartile = 103% Number of Observations = 126 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2006 First Quartile = 93% Median = 100% Third Quartile = 104% Number of Observations = 132 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2005 First Quartile = 97% Median = 102% Third Quartile = 105% Number of Observations = 136 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Water Year = 2004 First Quartile = 104% Median = 105% Third Quartile = 115% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total ammonia + organic nitrogen as N, water, unfltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total ammonia + organic nitrogen as N, water, unfltd 00625KJ008 2004 4 104.1% 105.3% 115.2%
    2005 136 97.4% 101.5% 105.2%
    2006 132 93.0% 100.1% 104.0%
    2007 126 90.0% 99.4% 103.3%
    2008 125 94.1% 98.4% 101.0%
    2009 124 94.4% 97.8% 100.0%
    2010 144 97.2% 101.4% 104.7%
    2011 137 95.4% 99.1% 102.1%
    2012 134 96.5% 100.5% 103.7%
    2013 103 93.0% 98.4% 102.3%
    2014 84 96.4% 100.6% 103.1%
    2015 90 93.8% 100.0% 103.2%
    2016 90 94.1% 99.2% 103.1%
    2017 77 86.4% 96.7% 101.1%
    2019 78 94.2% 101.5% 103.6%
    2020 74 88.0% 98.1% 101.4%
    2021 74 88.5% 100.1% 102.5%
    2022 55 72.0% 95.5% 102.8%
    2023 96 81.3% 90.0% 99.6%
    2024 85 81.4% 94.5% 100.3%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total ammonia as N, water, fltd -
Lab: NWQL, PCode: 00608, MCode: SHC02
Analysis Dates: 06/13/06 through 10/23/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 120% pctrecov = 120% Water Year = 2023 plotvalue = 128% pctrecov = 128% Water Year = 2023 plotvalue = 130% pctrecov = 130% Water Year = 2023 plotvalue = 130% pctrecov = 139% Water Year = 2023 plotvalue = 130% pctrecov = 135% Water Year = 2023 plotvalue = 130% pctrecov = 138% Water Year = 2023 plotvalue = 130% pctrecov = 151% Water Year = 2023 plotvalue = 130% pctrecov = 131% Water Year = 2023 plotvalue = 130% pctrecov = 141% Water Year = 2023 plotvalue = 130% pctrecov = 137% Water Year = 2023 plotvalue = 130% pctrecov = 135% Water Year = 2023 plotvalue = 130% pctrecov = 143% Water Year = 2023 plotvalue = 130% pctrecov = 140% Water Year = 2023 plotvalue = 78% pctrecov = 78% Water Year = 2023 plotvalue = 70% pctrecov = 19% Water Year = 2023 plotvalue = 70% pctrecov = 19% Water Year = 2022 plotvalue = 118% pctrecov = 118% Water Year = 2022 plotvalue = 121% pctrecov = 121% Water Year = 2022 plotvalue = 123% pctrecov = 123% Water Year = 2022 plotvalue = 70% pctrecov = 39% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2021 plotvalue = 124% pctrecov = 124% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2020 plotvalue = 110% pctrecov = 110% Water Year = 2020 plotvalue = 110% pctrecov = 110% Water Year = 2020 plotvalue = 122% pctrecov = 122% Water Year = 2020 plotvalue = 70% pctrecov = 10% Water Year = 2019 plotvalue = 110% pctrecov = 110% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 89% pctrecov = 89% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 87% pctrecov = 87% Water Year = 2016 plotvalue = 92% pctrecov = 92% Water Year = 2016 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 70% pctrecov = 44% Water Year = 2016 plotvalue = 70% pctrecov = 13% Water Year = 2015 plotvalue = 90% pctrecov = 90% Water Year = 2015 plotvalue = 70% pctrecov = 0% Water Year = 2014 plotvalue = 87% pctrecov = 87% Water Year = 2014 plotvalue = 82% pctrecov = 82% Water Year = 2014 plotvalue = 70% pctrecov = 2% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 70% pctrecov = 17% Water Year = 2012 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 109% pctrecov = 109% Water Year = 2010 plotvalue = 113% pctrecov = 113% Water Year = 2010 plotvalue = 70% pctrecov = 46% Water Year = 2010 plotvalue = 70% pctrecov = 28% Water Year = 2010 plotvalue = 70% pctrecov = 10% Water Year = 2009 plotvalue = 111% pctrecov = 111% Water Year = 2009 plotvalue = 113% pctrecov = 113% Water Year = 2009 plotvalue = 89% pctrecov = 89% Water Year = 2009 plotvalue = 70% pctrecov = 68% Water Year = 2008 plotvalue = 70% pctrecov = 66% Water Year = 2007 plotvalue = 108% pctrecov = 108% Water Year = 2007 plotvalue = 109% pctrecov = 109% Water Year = 2007 plotvalue = 112% pctrecov = 112% Water Year = 2007 plotvalue = 90% pctrecov = 90% Water Year = 2007 plotvalue = 90% pctrecov = 90% Water Year = 2007 plotvalue = 90% pctrecov = 90% Water Year = 2007 plotvalue = 89% pctrecov = 89% Water Year = 2007 plotvalue = 70% pctrecov = 2% Water Year = 2007 plotvalue = 70% pctrecov = 2% Water Year = 2006 plotvalue = 109% pctrecov = 109% Water Year = 2006 plotvalue = 109% pctrecov = 109% Water Year = 2006 plotvalue = 89% pctrecov = 89% Water Year = 2006 plotvalue = 87% pctrecov = 87% Water Year = 2006 plotvalue = 86% pctrecov = 86% Water Year = 2006 plotvalue = 85% pctrecov = 85% Water Year = 2006 plotvalue = 85% pctrecov = 85% Water Year = 2006 plotvalue = 84% pctrecov = 84% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 82% pctrecov = 82% Water Year = 2006 plotvalue = 80% pctrecov = 80% Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2024 First Quartile = 97% Median = 102% Third Quartile = 106% Number of Observations = 68 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2023 First Quartile = 97% Median = 102% Third Quartile = 109% Number of Observations = 96 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 104% Number of Observations = 69 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 96 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2020 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 95 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2019 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 80 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2017 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 87 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2016 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 96 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 78 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 108 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 140 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 138 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 144 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2009 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 125 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2008 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 108 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2007 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 106 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 97 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total ammonia as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total ammonia as N, water, fltd 00608SHC02 2006 97 96.1% 98.0% 100.3%
    2007 106 96.5% 98.7% 100.6%
    2008 108 95.7% 97.9% 101.5%
    2009 125 96.8% 99.6% 101.3%
    2010 144 97.6% 99.7% 101.8%
    2011 138 97.1% 99.7% 103.6%
    2012 140 96.3% 98.2% 100.6%
    2013 108 96.6% 99.0% 101.3%
    2014 78 96.0% 98.1% 101.4%
    2015 96 96.5% 98.8% 100.9%
    2016 96 97.7% 99.5% 101.4%
    2017 87 94.9% 96.9% 98.4%
    2019 80 94.1% 98.1% 100.1%
    2020 95 96.2% 98.4% 101.1%
    2021 96 95.8% 97.7% 100.2%
    2022 69 96.1% 98.3% 104.0%
    2023 96 96.8% 101.9% 109.3%
    2024 68 97.0% 101.6% 106.2%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total ammonia as N, water, unfltd -
Lab: NWQL, PCode: 00610, MCode: CL017
Analysis Dates: 10/08/04 through 10/28/24
Open Data Set
Boxplot Description

Water Year = 2021 plotvalue = 118% pctrecov = 118% Water Year = 2021 plotvalue = 130% pctrecov = 134% Water Year = 2020 plotvalue = 88% pctrecov = 88% Water Year = 2020 plotvalue = 70% pctrecov = 13% Water Year = 2017 plotvalue = 117% pctrecov = 117% Water Year = 2016 plotvalue = 89% pctrecov = 89% Water Year = 2015 plotvalue = 118% pctrecov = 118% Water Year = 2015 plotvalue = 87% pctrecov = 87% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2013 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 70% pctrecov = 2% Water Year = 2012 plotvalue = 70% pctrecov = 10% Water Year = 2011 plotvalue = 70% pctrecov = 6% Water Year = 2010 plotvalue = 94% pctrecov = 94% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2008 plotvalue = 92% pctrecov = 92% Water Year = 2008 plotvalue = 79% pctrecov = 79% Water Year = 2007 plotvalue = 111% pctrecov = 111% Water Year = 2007 plotvalue = 112% pctrecov = 112% Water Year = 2007 plotvalue = 118% pctrecov = 118% Water Year = 2007 plotvalue = 100% pctrecov = 100% Water Year = 2007 plotvalue = 99% pctrecov = 99% Water Year = 2006 plotvalue = 114% pctrecov = 114% Water Year = 2006 plotvalue = 92% pctrecov = 92% Water Year = 2006 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 125% pctrecov = 125% Water Year = 2005 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 70% pctrecov = 5% Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2024 First Quartile = 96% Median = 107% Third Quartile = 125% Number of Observations = 16 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2023 First Quartile = 92% Median = 101% Third Quartile = 116% Number of Observations = 24 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2022 First Quartile = 91% Median = 109% Third Quartile = 115% Number of Observations = 18 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 24 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 20 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 96% Median = 100% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 24 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2014 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 17 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2013 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 36 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2012 First Quartile = 101% Median = 106% Third Quartile = 108% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 48 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2009 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 40 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2008 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 44 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2007 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 30 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2006 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 44 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2005 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total ammonia as N, water, unfltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total ammonia as N, water, unfltd 00610CL017 2005 26 101.4% 103.3% 105.0%
    2006 44 99.8% 101.4% 104.3%
    2007 30 104.5% 105.2% 106.0%
    2008 44 99.8% 102.0% 103.7%
    2009 40 100.0% 102.6% 105.0%
    2010 48 99.8% 101.5% 103.3%
    2011 48 100.5% 104.0% 106.0%
    2012 48 101.3% 105.6% 107.7%
    2013 36 101.9% 103.0% 104.4%
    2014 17 101.2% 103.1% 106.5%
    2015 24 101.5% 106.2% 107.7%
    2016 24 100.6% 104.6% 107.6%
    2017 24 96.4% 100.4% 103.8%
    2019 20 94.6% 99.6% 104.0%
    2020 24 96.9% 99.0% 102.3%
    2021 24 100.0% 101.7% 105.4%
    2022 18 91.3% 108.9% 115.3%
    2023 24 91.8% 101.1% 116.4%
    2024 16 95.6% 107.0% 125.4%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total nitrogen as N, water, fltd -
Lab: NWQL, PCode: 62854, MCode: CL063
Analysis Dates: 10/13/04 through 10/09/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 90% pctrecov = 90% Water Year = 2023 plotvalue = 87% pctrecov = 87% Water Year = 2023 plotvalue = 84% pctrecov = 84% Water Year = 2023 plotvalue = 73% pctrecov = 73% Water Year = 2023 plotvalue = 70% pctrecov = 15% Water Year = 2023 plotvalue = 70% pctrecov = 2% Water Year = 2022 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 114% pctrecov = 114% Water Year = 2021 plotvalue = 116% pctrecov = 116% Water Year = 2021 plotvalue = 94% pctrecov = 94% Water Year = 2021 plotvalue = 93% pctrecov = 93% Water Year = 2020 plotvalue = 112% pctrecov = 112% Water Year = 2020 plotvalue = 113% pctrecov = 113% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2020 plotvalue = 122% pctrecov = 122% Water Year = 2020 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 81% pctrecov = 81% Water Year = 2019 plotvalue = 78% pctrecov = 78% Water Year = 2017 plotvalue = 113% pctrecov = 113% Water Year = 2017 plotvalue = 116% pctrecov = 116% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2017 plotvalue = 89% pctrecov = 89% Water Year = 2017 plotvalue = 87% pctrecov = 87% Water Year = 2017 plotvalue = 85% pctrecov = 85% Water Year = 2017 plotvalue = 78% pctrecov = 78% Water Year = 2016 plotvalue = 110% pctrecov = 110% Water Year = 2016 plotvalue = 93% pctrecov = 93% Water Year = 2016 plotvalue = 93% pctrecov = 93% Water Year = 2016 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 81% pctrecov = 81% Water Year = 2014 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 87% pctrecov = 87% Water Year = 2014 plotvalue = 86% pctrecov = 86% Water Year = 2014 plotvalue = 70% pctrecov = 35% Water Year = 2013 plotvalue = 87% pctrecov = 87% Water Year = 2013 plotvalue = 81% pctrecov = 81% Water Year = 2013 plotvalue = 70% pctrecov = 60% Water Year = 2013 plotvalue = 70% pctrecov = 56% Water Year = 2012 plotvalue = 130% pctrecov = 145% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2012 plotvalue = 86% pctrecov = 86% Water Year = 2012 plotvalue = 85% pctrecov = 85% Water Year = 2011 plotvalue = 81% pctrecov = 81% Water Year = 2011 plotvalue = 80% pctrecov = 80% Water Year = 2011 plotvalue = 78% pctrecov = 78% Water Year = 2011 plotvalue = 72% pctrecov = 72% Water Year = 2011 plotvalue = 70% pctrecov = 38% Water Year = 2010 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 86% pctrecov = 86% Water Year = 2009 plotvalue = 84% pctrecov = 84% Water Year = 2009 plotvalue = 83% pctrecov = 83% Water Year = 2008 plotvalue = 109% pctrecov = 109% Water Year = 2008 plotvalue = 109% pctrecov = 109% Water Year = 2008 plotvalue = 110% pctrecov = 110% Water Year = 2008 plotvalue = 110% pctrecov = 110% Water Year = 2008 plotvalue = 117% pctrecov = 117% Water Year = 2008 plotvalue = 130% pctrecov = 147% Water Year = 2008 plotvalue = 87% pctrecov = 87% Water Year = 2008 plotvalue = 87% pctrecov = 87% Water Year = 2008 plotvalue = 86% pctrecov = 86% Water Year = 2008 plotvalue = 86% pctrecov = 86% Water Year = 2008 plotvalue = 84% pctrecov = 84% Water Year = 2008 plotvalue = 77% pctrecov = 77% Water Year = 2008 plotvalue = 70% pctrecov = 61% Water Year = 2008 plotvalue = 70% pctrecov = 68% Water Year = 2008 plotvalue = 70% pctrecov = 70% Water Year = 2007 plotvalue = 115% pctrecov = 115% Water Year = 2007 plotvalue = 116% pctrecov = 116% Water Year = 2007 plotvalue = 130% pctrecov = 184% Water Year = 2007 plotvalue = 78% pctrecov = 78% Water Year = 2007 plotvalue = 76% pctrecov = 76% Water Year = 2006 plotvalue = 130% pctrecov = 145% Water Year = 2006 plotvalue = 130% pctrecov = 161% Water Year = 2006 plotvalue = 130% pctrecov = 175% Water Year = 2006 plotvalue = 130% pctrecov = 154% Water Year = 2006 plotvalue = 70% pctrecov = 10% Water Year = 2005 plotvalue = 130% pctrecov = 172% Water Year = 2005 plotvalue = 130% pctrecov = 961% Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 70 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 86 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 72 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 71 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 59 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 71 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 72 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 108 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2011 First Quartile = 94% Median = 98% Third Quartile = 100% Number of Observations = 140 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 144 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 137 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2008 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 134 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2007 First Quartile = 93% Median = 99% Third Quartile = 102% Number of Observations = 137 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2006 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 104% Number of Observations = 131 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total nitrogen as N, water, fltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total nitrogen as N, water, fltd 62854CL063 2005 131 94.7% 99.9% 103.6%
    2006 144 93.4% 96.6% 100.4%
    2007 137 93.0% 98.9% 101.6%
    2008 134 95.4% 98.1% 100.4%
    2009 137 95.7% 98.2% 101.0%
    2010 144 95.9% 99.0% 101.4%
    2011 140 93.8% 97.8% 100.1%
    2012 144 96.8% 100.2% 103.2%
    2013 108 97.2% 99.2% 103.0%
    2014 90 98.1% 100.2% 102.8%
    2015 72 97.0% 99.4% 102.3%
    2016 72 100.6% 102.7% 104.2%
    2017 71 98.7% 100.7% 103.7%
    2019 59 93.5% 97.1% 100.3%
    2020 71 99.0% 101.7% 103.8%
    2021 72 99.6% 100.9% 102.6%
    2022 82 97.5% 101.4% 104.4%
    2023 86 96.8% 99.8% 103.0%
    2024 70 98.0% 100.7% 103.1%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Total nitrogen as N, water, unfltd -
Lab: NWQL, PCode: 62855, MCode: AKP01
Analysis Dates: 10/13/04 through 10/17/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 108% pctrecov = 108% Water Year = 2023 plotvalue = 111% pctrecov = 111% Water Year = 2023 plotvalue = 113% pctrecov = 113% Water Year = 2023 plotvalue = 121% pctrecov = 121% Water Year = 2023 plotvalue = 130% pctrecov = 437% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2023 plotvalue = 85% pctrecov = 85% Water Year = 2023 plotvalue = 80% pctrecov = 80% Water Year = 2022 plotvalue = 88% pctrecov = 88% Water Year = 2022 plotvalue = 88% pctrecov = 88% Water Year = 2022 plotvalue = 77% pctrecov = 77% Water Year = 2021 plotvalue = 89% pctrecov = 89% Water Year = 2020 plotvalue = 87% pctrecov = 87% Water Year = 2020 plotvalue = 78% pctrecov = 78% Water Year = 2019 plotvalue = 119% pctrecov = 119% Water Year = 2019 plotvalue = 76% pctrecov = 76% Water Year = 2019 plotvalue = 73% pctrecov = 73% Water Year = 2017 plotvalue = 85% pctrecov = 85% Water Year = 2017 plotvalue = 82% pctrecov = 82% Water Year = 2017 plotvalue = 70% pctrecov = 57% Water Year = 2016 plotvalue = 130% pctrecov = 594% Water Year = 2016 plotvalue = 84% pctrecov = 84% Water Year = 2016 plotvalue = 84% pctrecov = 84% Water Year = 2015 plotvalue = 86% pctrecov = 86% Water Year = 2015 plotvalue = 84% pctrecov = 84% Water Year = 2014 plotvalue = 110% pctrecov = 110% Water Year = 2014 plotvalue = 114% pctrecov = 114% Water Year = 2014 plotvalue = 114% pctrecov = 114% Water Year = 2014 plotvalue = 115% pctrecov = 115% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 89% pctrecov = 89% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 130% pctrecov = 216% Water Year = 2013 plotvalue = 130% pctrecov = 487% Water Year = 2013 plotvalue = 80% pctrecov = 80% Water Year = 2012 plotvalue = 130% pctrecov = 139% Water Year = 2012 plotvalue = 83% pctrecov = 83% Water Year = 2012 plotvalue = 78% pctrecov = 78% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 113% pctrecov = 113% Water Year = 2011 plotvalue = 124% pctrecov = 124% Water Year = 2011 plotvalue = 127% pctrecov = 127% Water Year = 2010 plotvalue = 89% pctrecov = 89% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2010 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 86% pctrecov = 86% Water Year = 2009 plotvalue = 74% pctrecov = 74% Water Year = 2008 plotvalue = 124% pctrecov = 124% Water Year = 2008 plotvalue = 130% pctrecov = 136% Water Year = 2008 plotvalue = 130% pctrecov = 189% Water Year = 2008 plotvalue = 82% pctrecov = 82% Water Year = 2008 plotvalue = 82% pctrecov = 82% Water Year = 2008 plotvalue = 82% pctrecov = 82% Water Year = 2008 plotvalue = 82% pctrecov = 82% Water Year = 2008 plotvalue = 81% pctrecov = 81% Water Year = 2008 plotvalue = 81% pctrecov = 81% Water Year = 2008 plotvalue = 79% pctrecov = 79% Water Year = 2008 plotvalue = 74% pctrecov = 74% Water Year = 2008 plotvalue = 70% pctrecov = 67% Water Year = 2008 plotvalue = 70% pctrecov = 67% Water Year = 2008 plotvalue = 70% pctrecov = 61% Water Year = 2007 plotvalue = 119% pctrecov = 119% Water Year = 2007 plotvalue = 121% pctrecov = 121% Water Year = 2007 plotvalue = 121% pctrecov = 121% Water Year = 2007 plotvalue = 72% pctrecov = 72% Water Year = 2006 plotvalue = 130% pctrecov = 149% Water Year = 2006 plotvalue = 130% pctrecov = 249% Water Year = 2005 plotvalue = 124% pctrecov = 124% Water Year = 2005 plotvalue = 130% pctrecov = 212% Water Year = 2005 plotvalue = 130% pctrecov = 1001% Water Year = 2005 plotvalue = 130% pctrecov = 164% Water Year = 2005 plotvalue = 83% pctrecov = 83% Water Year = 2005 plotvalue = 82% pctrecov = 82% Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2024 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 61 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2023 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 92 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 82 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 72 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2020 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 71 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2019 First Quartile = 90% Median = 95% Third Quartile = 100% Number of Observations = 59 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 71 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2015 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 72 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2013 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 108 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2012 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 144 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2009 First Quartile = 94% Median = 97% Third Quartile = 100% Number of Observations = 133 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2008 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 134 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2007 First Quartile = 92% Median = 99% Third Quartile = 101% Number of Observations = 137 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2006 First Quartile = 93% Median = 96% Third Quartile = 100% Number of Observations = 143 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 131 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total nitrogen as N, water, unfltd

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total nitrogen as N, water, unfltd 62855AKP01 2005 131 96.2% 99.9% 103.4%
    2006 143 93.0% 95.9% 99.6%
    2007 137 92.1% 98.6% 101.1%
    2008 134 92.7% 96.9% 99.2%
    2009 133 94.1% 97.5% 100.1%
    2010 144 95.7% 98.1% 100.3%
    2011 144 94.5% 97.1% 99.7%
    2012 144 93.8% 98.3% 100.6%
    2013 108 92.9% 95.7% 99.4%
    2014 90 97.8% 99.9% 102.6%
    2015 72 97.3% 99.5% 102.8%
    2016 72 99.8% 102.1% 104.3%
    2017 71 96.4% 99.5% 103.9%
    2019 59 90.2% 94.7% 99.6%
    2020 71 96.9% 99.2% 101.7%
    2021 72 98.4% 100.3% 102.4%
    2022 82 97.8% 101.4% 104.1%
    2023 92 94.1% 96.6% 99.2%
    2024 61 95.7% 98.4% 100.6%

Hover over boxplot or outliers for additional information
Chart generated 10/31/2024
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