- ANC as CaCO3, unfltd, fixed EP (pH 4.5) titr, lab -
Lab: NWQL, PCode: 90410, MCode: TT040
Analysis Dates: 10/06/09 through 09/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 70% pctrecov = 36% Water Year = 2023 plotvalue = 91% pctrecov = 91% Water Year = 2023 plotvalue = 88% pctrecov = 88% Water Year = 2020 plotvalue = 109% pctrecov = 109% Water Year = 2020 plotvalue = 95% pctrecov = 95% Water Year = 2020 plotvalue = 95% pctrecov = 95% Water Year = 2019 plotvalue = 107% pctrecov = 107% Water Year = 2019 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 97% pctrecov = 97% Water Year = 2017 plotvalue = 95% pctrecov = 95% Water Year = 2017 plotvalue = 95% pctrecov = 95% Water Year = 2017 plotvalue = 92% pctrecov = 92% Water Year = 2016 plotvalue = 97% pctrecov = 97% Water Year = 2016 plotvalue = 96% pctrecov = 96% Water Year = 2016 plotvalue = 94% pctrecov = 94% Water Year = 2016 plotvalue = 90% pctrecov = 90% Water Year = 2015 plotvalue = 114% pctrecov = 114% Water Year = 2015 plotvalue = 130% pctrecov = 131% Water Year = 2014 plotvalue = 119% pctrecov = 119% Water Year = 2014 plotvalue = 120% pctrecov = 120% Water Year = 2014 plotvalue = 121% pctrecov = 121% Water Year = 2014 plotvalue = 123% pctrecov = 123% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 108% pctrecov = 108% 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 = 110% pctrecov = 110% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 98% pctrecov = 98% Water Year = 2011 plotvalue = 108% pctrecov = 108% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 109% pctrecov = 109% 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 = 112% pctrecov = 112% Water Year = 2011 plotvalue = 113% pctrecov = 113% Water Year = 2011 plotvalue = 100% pctrecov = 100% Water Year = 2011 plotvalue = 100% pctrecov = 100% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 98% pctrecov = 98% Water Year = 2011 plotvalue = 97% pctrecov = 97% Water Year = 2011 plotvalue = 96% pctrecov = 96% Water Year = 2011 plotvalue = 96% pctrecov = 96% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 106% pctrecov = 106% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2010 plotvalue = 109% pctrecov = 109% Water Year = 2010 plotvalue = 130% pctrecov = 261% Water Year = 2010 plotvalue = 70% pctrecov = 63% Water Year = 2010 plotvalue = 70% pctrecov = 64% Water Year = 2010 plotvalue = 70% pctrecov = 65% Water Year = 2010 plotvalue = 70% pctrecov = 64% Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 25 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2022 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 12 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 22 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 24 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 76 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 96 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 137 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 144 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 102% Number of Observations = 11 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for ANC as CaCO3, unfltd, fixed EP (pH 4.5) titr, lab

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
ANC as CaCO3, unfltd, fixed EP (pH 4.5) titr, lab 90410TT040 2009 11 96.2% 101.6% 102.5%
    2010 144 102.1% 102.8% 103.8%
    2011 137 102.9% 103.6% 104.9%
    2012 96 102.3% 103.0% 104.6%
    2013 76 103.0% 103.6% 104.9%
    2014 67 104.2% 107.1% 108.9%
    2015 24 102.2% 103.1% 106.9%
    2016 24 103.0% 104.0% 105.7%
    2017 24 101.7% 102.6% 104.3%
    2019 20 101.6% 102.5% 103.0%
    2020 22 101.0% 101.7% 102.8%
    2021 24 101.9% 103.3% 104.9%
    2022 12 97.8% 102.4% 104.1%
    2023 22 97.9% 100.5% 101.7%
    2024 25 97.8% 100.7% 101.6%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Alkalinity as CaCO3, fltd, fixed EP (pH 4.5) titr, lab -
Lab: NWQL, PCode: 29801, MCode: TT040
Analysis Dates: 10/08/09 through 09/23/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 110% pctrecov = 110% Water Year = 2023 plotvalue = 110% pctrecov = 110% Water Year = 2023 plotvalue = 111% pctrecov = 111% Water Year = 2023 plotvalue = 120% pctrecov = 120% Water Year = 2023 plotvalue = 126% pctrecov = 126% Water Year = 2023 plotvalue = 93% pctrecov = 93% Water Year = 2023 plotvalue = 90% pctrecov = 90% Water Year = 2022 plotvalue = 130% pctrecov = 263% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2020 plotvalue = 108% pctrecov = 108% Water Year = 2020 plotvalue = 97% pctrecov = 97% Water Year = 2019 plotvalue = 105% pctrecov = 105% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 98% pctrecov = 98% Water Year = 2017 plotvalue = 96% pctrecov = 96% Water Year = 2017 plotvalue = 95% pctrecov = 95% Water Year = 2017 plotvalue = 94% pctrecov = 94% Water Year = 2017 plotvalue = 88% pctrecov = 88% Water Year = 2016 plotvalue = 130% pctrecov = 132% Water Year = 2016 plotvalue = 97% pctrecov = 97% Water Year = 2016 plotvalue = 96% pctrecov = 96% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2016 plotvalue = 94% pctrecov = 94% Water Year = 2016 plotvalue = 93% pctrecov = 93% Water Year = 2016 plotvalue = 90% pctrecov = 90% Water Year = 2016 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 117% pctrecov = 117% Water Year = 2014 plotvalue = 119% pctrecov = 119% Water Year = 2014 plotvalue = 121% pctrecov = 121% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 109% pctrecov = 109% Water Year = 2013 plotvalue = 109% pctrecov = 109% Water Year = 2013 plotvalue = 111% pctrecov = 111% Water Year = 2013 plotvalue = 95% pctrecov = 95% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 110% pctrecov = 110% Water Year = 2012 plotvalue = 99% pctrecov = 99% Water Year = 2012 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 110% pctrecov = 110% Water Year = 2011 plotvalue = 111% pctrecov = 111% Water Year = 2011 plotvalue = 112% pctrecov = 112% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 96% pctrecov = 96% Water Year = 2011 plotvalue = 96% pctrecov = 96% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2010 plotvalue = 130% pctrecov = 221% Water Year = 2010 plotvalue = 70% pctrecov = 68% Water Year = 2010 plotvalue = 70% pctrecov = 62% Water Year = 2010 plotvalue = 70% pctrecov = 64% Water Year = 2010 plotvalue = 70% pctrecov = 65% Water Year = 2010 plotvalue = 70% pctrecov = 64% Water Year = 2010 plotvalue = 70% pctrecov = 63% Water Year = 2009 plotvalue = 130% pctrecov = 137% Water Year = 2009 plotvalue = 97% pctrecov = 97% Water Year = 2009 plotvalue = 95% pctrecov = 95% Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2024 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 40 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 19 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 41 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 103% Number of Observations = 38 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 107% Number of Observations = 48 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2014 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 67 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2013 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 76 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2012 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 96 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2011 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 136 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2010 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 141 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Water Year = 2009 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Alkalinity as CaCO3, fltd, fixed EP (pH 4.5) titr, lab

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Alkalinity as CaCO3, fltd, fixed EP (pH 4.5) titr, lab 29801TT040 2009 12 101.3% 101.9% 102.9%
    2010 141 101.8% 102.7% 103.7%
    2011 136 102.8% 103.7% 105.4%
    2012 96 102.2% 103.1% 104.4%
    2013 76 102.8% 103.5% 104.1%
    2014 67 103.9% 107.0% 109.2%
    2015 48 102.0% 103.3% 107.0%
    2016 48 102.8% 104.0% 106.0%
    2017 42 102.0% 102.7% 104.4%
    2019 38 102.3% 102.8% 103.4%
    2020 41 100.7% 102.0% 103.2%
    2021 42 102.5% 103.2% 104.6%
    2022 19 101.2% 102.7% 106.3%
    2023 40 100.5% 101.7% 103.8%
    2024 42 98.5% 100.5% 102.2%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Bromide, fltd, IC -
Lab: NWQL, PCode: 71870, MCode: IC027
Analysis Dates: 10/21/10 through 09/10/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 125% pctrecov = 125% Water Year = 2022 plotvalue = 130% pctrecov = 163% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 81% pctrecov = 81% Water Year = 2017 plotvalue = 111% pctrecov = 111% Water Year = 2017 plotvalue = 124% pctrecov = 124% Water Year = 2017 plotvalue = 87% pctrecov = 87% Water Year = 2016 plotvalue = 117% pctrecov = 117% Water Year = 2016 plotvalue = 121% pctrecov = 121% Water Year = 2015 plotvalue = 87% pctrecov = 87% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2014 plotvalue = 110% pctrecov = 110% Water Year = 2014 plotvalue = 112% pctrecov = 112% Water Year = 2014 plotvalue = 114% pctrecov = 114% Water Year = 2014 plotvalue = 119% pctrecov = 119% Water Year = 2014 plotvalue = 70% pctrecov = 12% Water Year = 2013 plotvalue = 122% pctrecov = 122% Water Year = 2013 plotvalue = 130% pctrecov = 130% Water Year = 2013 plotvalue = 130% pctrecov = 130% Water Year = 2013 plotvalue = 130% pctrecov = 131% Water Year = 2013 plotvalue = 130% pctrecov = 161% Water Year = 2012 plotvalue = 106% pctrecov = 106% Water Year = 2012 plotvalue = 130% pctrecov = 175% Water Year = 2012 plotvalue = 82% pctrecov = 82% Water Year = 2012 plotvalue = 80% pctrecov = 80% Water Year = 2012 plotvalue = 80% pctrecov = 80% Water Year = 2012 plotvalue = 78% pctrecov = 78% Water Year = 2012 plotvalue = 74% pctrecov = 74% Water Year = 2012 plotvalue = 70% pctrecov = 19% Water Year = 2011 plotvalue = 115% pctrecov = 115% Water Year = 2011 plotvalue = 116% pctrecov = 116% Water Year = 2011 plotvalue = 121% pctrecov = 121% Water Year = 2011 plotvalue = 76% pctrecov = 76% Water Year = 2011 plotvalue = 74% pctrecov = 74% Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2024 First Quartile = 94% Median = 97% Third Quartile = 102% Number of Observations = 26 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2023 First Quartile = 81% Median = 88% Third Quartile = 93% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2022 First Quartile = 78% Median = 89% Third Quartile = 95% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2021 First Quartile = 82% Median = 88% Third Quartile = 94% Number of Observations = 42 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2020 First Quartile = 81% Median = 87% Third Quartile = 94% Number of Observations = 40 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2019 First Quartile = 91% Median = 94% Third Quartile = 97% Number of Observations = 38 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 42 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 48 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2014 First Quartile = 94% Median = 96% Third Quartile = 98% Number of Observations = 67 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2013 First Quartile = 82% Median = 87% Third Quartile = 97% Number of Observations = 75 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2012 First Quartile = 91% Median = 95% Third Quartile = 97% Number of Observations = 96 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Water Year = 2011 First Quartile = 92% Median = 97% Third Quartile = 101% Number of Observations = 135 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Bromide, fltd, IC

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Bromide, fltd, IC 71870IC027 2011 135 92.3% 96.6% 101.3%
    2012 96 91.2% 94.8% 97.1%
    2013 75 81.9% 86.8% 97.3%
    2014 67 93.9% 95.7% 97.6%
    2015 48 93.1% 94.9% 97.3%
    2016 48 92.0% 96.7% 100.9%
    2017 42 98.1% 100.3% 102.6%
    2019 38 90.5% 94.3% 96.8%
    2020 40 81.0% 87.2% 94.1%
    2021 42 82.0% 88.3% 94.3%
    2022 42 78.4% 88.8% 95.5%
    2023 42 80.9% 87.5% 93.1%
    2024 26 94.1% 97.4% 102.2%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Calcium, fltd, ICP-OES -
Lab: NWQL, PCode: 00915, MCode: PLA11
Analysis Dates: 10/13/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 97% pctrecov = 97% Water Year = 2019 plotvalue = 111% pctrecov = 111% Water Year = 2019 plotvalue = 96% pctrecov = 96% Water Year = 2019 plotvalue = 95% pctrecov = 95% Water Year = 2017 plotvalue = 92% pctrecov = 92% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2016 plotvalue = 116% pctrecov = 116% Water Year = 2016 plotvalue = 119% pctrecov = 119% Water Year = 2016 plotvalue = 122% pctrecov = 122% Water Year = 2016 plotvalue = 130% pctrecov = 133% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2015 plotvalue = 113% pctrecov = 113% Water Year = 2015 plotvalue = 116% pctrecov = 116% Water Year = 2015 plotvalue = 116% pctrecov = 116% Water Year = 2015 plotvalue = 117% pctrecov = 117% Water Year = 2015 plotvalue = 117% pctrecov = 117% Water Year = 2014 plotvalue = 93% pctrecov = 93% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 89% pctrecov = 89% Water Year = 2014 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 110% pctrecov = 110% Water Year = 2013 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 87% pctrecov = 87% Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 99 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 105% Third Quartile = 106% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 107 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 107 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 109 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 142 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 144 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Calcium, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Calcium, fltd, ICP-OES 00915PLA11 2010 144 95.8% 99.1% 101.9%
    2011 142 97.0% 99.8% 103.5%
    2012 134 100.3% 102.5% 104.2%
    2013 109 100.7% 102.8% 103.7%
    2014 107 99.6% 102.2% 103.7%
    2015 114 101.3% 103.7% 106.0%
    2016 114 103.1% 105.1% 108.1%
    2017 114 101.1% 102.9% 105.2%
    2019 98 101.4% 103.2% 104.7%
    2020 107 101.6% 103.8% 105.7%
    2021 114 100.7% 103.3% 105.4%
    2022 114 102.1% 104.6% 106.3%
    2023 114 102.4% 104.3% 105.8%
    2024 99 101.7% 103.8% 105.5%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Calcium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00916, MCode: PLA15
Analysis Dates: 11/12/09 through 03/24/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 86% pctrecov = 86% Water Year = 2013 plotvalue = 124% pctrecov = 124% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 130% pctrecov = 397% Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 16 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 42 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 97% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2010 First Quartile = 94% Median = 97% Third Quartile = 99% Number of Observations = 42 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Calcium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Calcium, unfltd, ICP-OES, recov 00916PLA15 2010 42 94.1% 97.0% 99.2%
    2011 41 96.5% 97.6% 98.8%
    2012 42 98.4% 98.9% 100.1%
    2013 42 98.5% 100.1% 101.3%
    2014 46 97.4% 99.5% 100.6%
    2015 16 98.2% 101.0% 103.1%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Calcium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00916, MCode: PLO07
Analysis Dates: 05/28/15 through 09/21/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 109% pctrecov = 109% Water Year = 2024 plotvalue = 109% pctrecov = 109% Water Year = 2024 plotvalue = 111% pctrecov = 111% Water Year = 2024 plotvalue = 99% pctrecov = 99% Water Year = 2024 plotvalue = 98% pctrecov = 98% Water Year = 2021 plotvalue = 94% pctrecov = 94% Water Year = 2021 plotvalue = 91% pctrecov = 91% Water Year = 2021 plotvalue = 91% pctrecov = 91% Water Year = 2019 plotvalue = 100% pctrecov = 100% Water Year = 2019 plotvalue = 99% pctrecov = 99% Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2024 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 37 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2023 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2022 First Quartile = 103% Median = 104% Third Quartile = 107% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 38 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2017 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 41 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Water Year = 2015 First Quartile = 104% Median = 104% Third Quartile = 107% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Calcium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Calcium, unfltd, ICP-OES, recov 00916PLO07 2015 26 104.0% 104.4% 106.8%
    2016 41 102.3% 104.5% 107.5%
    2017 42 101.5% 102.6% 104.6%
    2019 38 103.1% 104.3% 105.4%
    2020 39 102.4% 104.0% 104.8%
    2021 42 100.3% 103.0% 104.3%
    2022 42 102.7% 104.5% 107.2%
    2023 42 102.3% 103.6% 106.1%
    2024 37 103.2% 104.0% 105.4%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Chloride, FIL, IC, LL -
Lab: NWQL, PCode: 00940, MCode: IC024
Analysis Dates: 10/24/09 through 11/01/13
Open Data Set
Boxplot Description

Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 111% pctrecov = 111% Water Year = 2013 plotvalue = 112% pctrecov = 112% Water Year = 2013 plotvalue = 103% pctrecov = 103% Water Year = 2013 plotvalue = 98% pctrecov = 98% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2013 First Quartile = 104% Median = 105% Third Quartile = 105% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2012 First Quartile = 103% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 47 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 48 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Chloride, FIL, IC, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Chloride, FIL, IC, LL 00940IC024 2010 48 98.2% 99.7% 102.0%
    2011 47 98.4% 101.0% 102.3%
    2012 24 102.9% 103.5% 104.4%
    2013 24 104.4% 104.7% 105.3%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Chloride, fltd, IC -
Lab: NWQL, PCode: 00940, MCode: IC022
Analysis Dates: 10/07/09 through 09/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 108% pctrecov = 108% Water Year = 2024 plotvalue = 113% pctrecov = 113% Water Year = 2024 plotvalue = 114% pctrecov = 114% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 91% pctrecov = 91% Water Year = 2024 plotvalue = 90% pctrecov = 90% Water Year = 2024 plotvalue = 90% pctrecov = 90% Water Year = 2024 plotvalue = 90% pctrecov = 90% Water Year = 2024 plotvalue = 85% pctrecov = 85% Water Year = 2023 plotvalue = 105% pctrecov = 105% Water Year = 2023 plotvalue = 108% pctrecov = 108% Water Year = 2023 plotvalue = 130% pctrecov = 177% Water Year = 2023 plotvalue = 95% pctrecov = 95% Water Year = 2023 plotvalue = 95% pctrecov = 95% Water Year = 2023 plotvalue = 95% pctrecov = 95% Water Year = 2023 plotvalue = 70% pctrecov = 21% Water Year = 2022 plotvalue = 105% pctrecov = 105% Water Year = 2022 plotvalue = 96% pctrecov = 96% Water Year = 2022 plotvalue = 96% pctrecov = 96% Water Year = 2022 plotvalue = 95% pctrecov = 95% Water Year = 2021 plotvalue = 108% pctrecov = 108% Water Year = 2021 plotvalue = 108% pctrecov = 108% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2020 plotvalue = 110% pctrecov = 110% Water Year = 2020 plotvalue = 113% pctrecov = 113% Water Year = 2019 plotvalue = 105% pctrecov = 105% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 96% pctrecov = 96% Water Year = 2017 plotvalue = 105% pctrecov = 105% Water Year = 2017 plotvalue = 96% pctrecov = 96% Water Year = 2017 plotvalue = 95% pctrecov = 95% Water Year = 2016 plotvalue = 103% pctrecov = 103% Water Year = 2016 plotvalue = 105% pctrecov = 105% Water Year = 2016 plotvalue = 92% pctrecov = 92% Water Year = 2015 plotvalue = 107% pctrecov = 107% Water Year = 2015 plotvalue = 94% pctrecov = 94% Water Year = 2015 plotvalue = 93% pctrecov = 93% Water Year = 2014 plotvalue = 103% pctrecov = 103% Water Year = 2014 plotvalue = 103% pctrecov = 103% Water Year = 2014 plotvalue = 104% pctrecov = 104% Water Year = 2013 plotvalue = 105% pctrecov = 105% Water Year = 2013 plotvalue = 130% pctrecov = 287% Water Year = 2013 plotvalue = 93% pctrecov = 93% Water Year = 2012 plotvalue = 102% pctrecov = 102% Water Year = 2012 plotvalue = 102% pctrecov = 102% Water Year = 2012 plotvalue = 102% pctrecov = 102% Water Year = 2012 plotvalue = 102% pctrecov = 102% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 103% pctrecov = 103% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 106% pctrecov = 106% Water Year = 2011 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 107% pctrecov = 107% 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 = 109% pctrecov = 109% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 106% pctrecov = 106% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 63 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2021 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 66 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 64 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 66 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 72 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2014 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 89 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 124 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2012 First Quartile = 97% Median = 97% Third Quartile = 99% Number of Observations = 144 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 138 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2010 First Quartile = 97% Median = 98% Third Quartile = 101% Number of Observations = 136 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Water Year = 2009 First Quartile = 94% Median = 99% Third Quartile = 100% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Chloride, fltd, IC

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Chloride, fltd, IC 00940IC022 2009 12 94.2% 98.7% 99.7%
    2010 136 97.1% 98.5% 100.8%
    2011 138 97.4% 98.9% 101.0%
    2012 144 96.6% 97.4% 98.8%
    2013 124 97.8% 98.8% 100.0%
    2014 89 96.4% 97.9% 99.0%
    2015 72 98.3% 99.7% 101.3%
    2016 72 98.7% 99.6% 100.5%
    2017 66 98.3% 99.3% 99.9%
    2019 58 100.0% 101.2% 102.0%
    2020 64 99.2% 100.5% 101.7%
    2021 66 99.2% 100.3% 102.0%
    2022 66 99.9% 100.7% 101.9%
    2023 66 98.7% 99.9% 101.0%
    2024 63 99.5% 101.0% 102.9%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Dissolved solids, fltd, dried at 180 deg C -
Lab: NWQL, PCode: 70300, MCode: ROE10
Analysis Dates: 10/05/09 through 09/24/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 111% pctrecov = 111% Water Year = 2023 plotvalue = 116% pctrecov = 116% Water Year = 2023 plotvalue = 118% pctrecov = 118% Water Year = 2023 plotvalue = 89% pctrecov = 89% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2023 plotvalue = 83% pctrecov = 83% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 111% pctrecov = 111% Water Year = 2021 plotvalue = 130% pctrecov = 131% Water Year = 2021 plotvalue = 89% pctrecov = 89% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2020 plotvalue = 122% pctrecov = 122% Water Year = 2020 plotvalue = 125% pctrecov = 125% Water Year = 2020 plotvalue = 128% pctrecov = 128% Water Year = 2020 plotvalue = 130% pctrecov = 177% Water Year = 2020 plotvalue = 84% pctrecov = 84% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2017 plotvalue = 115% pctrecov = 115% Water Year = 2017 plotvalue = 128% pctrecov = 128% Water Year = 2015 plotvalue = 128% pctrecov = 128% Water Year = 2015 plotvalue = 70% pctrecov = 69% Water Year = 2015 plotvalue = 70% pctrecov = 69% Water Year = 2013 plotvalue = 118% pctrecov = 118% Water Year = 2013 plotvalue = 81% pctrecov = 81% Water Year = 2013 plotvalue = 80% pctrecov = 80% Water Year = 2012 plotvalue = 129% pctrecov = 129% Water Year = 2012 plotvalue = 129% pctrecov = 129% Water Year = 2012 plotvalue = 130% pctrecov = 130% Water Year = 2012 plotvalue = 130% pctrecov = 133% Water Year = 2011 plotvalue = 122% pctrecov = 122% Water Year = 2011 plotvalue = 124% pctrecov = 124% Water Year = 2011 plotvalue = 126% pctrecov = 126% Water Year = 2011 plotvalue = 128% pctrecov = 128% Water Year = 2011 plotvalue = 130% pctrecov = 134% Water Year = 2011 plotvalue = 130% pctrecov = 133% Water Year = 2011 plotvalue = 130% pctrecov = 130% Water Year = 2011 plotvalue = 130% pctrecov = 130% Water Year = 2011 plotvalue = 81% pctrecov = 81% Water Year = 2011 plotvalue = 75% pctrecov = 75% Water Year = 2011 plotvalue = 70% pctrecov = 68% Water Year = 2011 plotvalue = 70% pctrecov = 49% Water Year = 2010 plotvalue = 118% pctrecov = 118% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2010 plotvalue = 123% pctrecov = 123% Water Year = 2010 plotvalue = 128% pctrecov = 128% Water Year = 2010 plotvalue = 130% pctrecov = 150% Water Year = 2010 plotvalue = 86% pctrecov = 86% Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2024 First Quartile = 91% Median = 97% Third Quartile = 101% Number of Observations = 41 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2020 First Quartile = 97% Median = 100% Third Quartile = 105% Number of Observations = 40 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 38 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2017 First Quartile = 96% Median = 99% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2016 First Quartile = 96% Median = 102% Third Quartile = 108% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 48 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2014 First Quartile = 91% Median = 98% Third Quartile = 103% Number of Observations = 65 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 75 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 96 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 108% Number of Observations = 128 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 137 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Water Year = 2009 First Quartile = 96% Median = 102% Third Quartile = 106% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Dissolved solids, fltd, dried at 180 deg C

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Dissolved solids, fltd, dried at 180 deg C 70300ROE10 2009 12 96.0% 101.9% 106.2%
    2010 137 98.4% 101.5% 106.0%
    2011 128 98.6% 102.1% 108.1%
    2012 96 98.3% 101.8% 107.3%
    2013 75 97.9% 101.4% 105.7%
    2014 65 91.1% 97.7% 102.6%
    2015 48 98.1% 100.5% 106.1%
    2016 48 96.3% 101.9% 107.8%
    2017 42 96.2% 99.2% 103.6%
    2019 38 97.9% 101.9% 104.5%
    2020 40 97.2% 100.2% 104.9%
    2021 42 95.5% 97.7% 100.2%
    2022 42 97.5% 99.8% 103.7%
    2023 42 96.9% 99.4% 102.3%
    2024 41 91.0% 96.6% 101.1%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Fluoride, FIL, ISE -
Lab: NWQL, PCode: 00950, MCode: ISE05
Analysis Dates: 10/02/09 through 03/29/13
Open Data Set
Boxplot Description

Water Year = 2013 plotvalue = 77% pctrecov = 77% Water Year = 2012 plotvalue = 126% pctrecov = 126% Water Year = 2012 plotvalue = 129% pctrecov = 129% Water Year = 2012 plotvalue = 130% pctrecov = 169% Water Year = 2012 plotvalue = 85% pctrecov = 85% Water Year = 2012 plotvalue = 82% pctrecov = 82% Water Year = 2012 plotvalue = 72% pctrecov = 72% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 119% pctrecov = 119% Water Year = 2011 plotvalue = 121% pctrecov = 121% Water Year = 2011 plotvalue = 121% pctrecov = 121% Water Year = 2011 plotvalue = 126% pctrecov = 126% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2011 plotvalue = 88% pctrecov = 88% Water Year = 2011 plotvalue = 85% pctrecov = 85% Water Year = 2011 plotvalue = 84% pctrecov = 84% Water Year = 2011 plotvalue = 84% pctrecov = 84% Water Year = 2011 plotvalue = 78% pctrecov = 78% Water Year = 2011 plotvalue = 70% pctrecov = 55% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 118% pctrecov = 118% Water Year = 2010 plotvalue = 91% pctrecov = 91% Water Year = 2009 plotvalue = 113% pctrecov = 113% Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2013 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 44 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2012 First Quartile = 100% Median = 105% Third Quartile = 110% Number of Observations = 96 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2011 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 135 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 144 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Water Year = 2009 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 5 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Fluoride, FIL, ISE

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Fluoride, FIL, ISE 00950ISE05 2009 5 97.6% 101.3% 103.3%
    2010 144 97.4% 99.3% 101.9%
    2011 135 99.5% 102.6% 105.9%
    2012 96 100.2% 104.9% 110.1%
    2013 44 93.2% 96.8% 101.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Fluoride, fltd, IC -
Lab: NWQL, PCode: 00950, MCode: IC003
Analysis Dates: 06/16/13 through 09/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 130% pctrecov = 134% Water Year = 2024 plotvalue = 130% pctrecov = 177% Water Year = 2023 plotvalue = 130% pctrecov = 149% Water Year = 2023 plotvalue = 130% pctrecov = 131% Water Year = 2023 plotvalue = 70% pctrecov = 31% Water Year = 2022 plotvalue = 125% pctrecov = 125% Water Year = 2022 plotvalue = 128% pctrecov = 128% Water Year = 2022 plotvalue = 130% pctrecov = 183% Water Year = 2022 plotvalue = 130% pctrecov = 160% Water Year = 2022 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 130% pctrecov = 133% Water Year = 2021 plotvalue = 130% pctrecov = 144% Water Year = 2021 plotvalue = 130% pctrecov = 136% Water Year = 2021 plotvalue = 130% pctrecov = 134% Water Year = 2021 plotvalue = 130% pctrecov = 136% Water Year = 2021 plotvalue = 130% pctrecov = 130% Water Year = 2021 plotvalue = 130% pctrecov = 183% Water Year = 2021 plotvalue = 130% pctrecov = 138% Water Year = 2021 plotvalue = 130% pctrecov = 152% Water Year = 2020 plotvalue = 118% pctrecov = 118% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2020 plotvalue = 126% pctrecov = 126% Water Year = 2020 plotvalue = 130% pctrecov = 140% Water Year = 2020 plotvalue = 130% pctrecov = 134% Water Year = 2020 plotvalue = 130% pctrecov = 158% Water Year = 2020 plotvalue = 130% pctrecov = 140% Water Year = 2020 plotvalue = 70% pctrecov = 53% Water Year = 2020 plotvalue = 70% pctrecov = 57% Water Year = 2020 plotvalue = 70% pctrecov = 57% Water Year = 2020 plotvalue = 70% pctrecov = 57% Water Year = 2020 plotvalue = 70% pctrecov = 63% Water Year = 2020 plotvalue = 70% pctrecov = 53% Water Year = 2020 plotvalue = 70% pctrecov = 57% Water Year = 2020 plotvalue = 70% pctrecov = 60% Water Year = 2019 plotvalue = 124% pctrecov = 124% Water Year = 2019 plotvalue = 126% pctrecov = 126% Water Year = 2017 plotvalue = 116% pctrecov = 116% Water Year = 2017 plotvalue = 117% pctrecov = 117% Water Year = 2017 plotvalue = 130% pctrecov = 163% Water Year = 2017 plotvalue = 130% pctrecov = 137% Water Year = 2017 plotvalue = 130% pctrecov = 197% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 85% pctrecov = 85% Water Year = 2017 plotvalue = 83% pctrecov = 83% Water Year = 2017 plotvalue = 82% pctrecov = 82% Water Year = 2017 plotvalue = 82% pctrecov = 82% Water Year = 2017 plotvalue = 80% pctrecov = 80% Water Year = 2016 plotvalue = 129% pctrecov = 129% Water Year = 2016 plotvalue = 130% pctrecov = 147% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2015 plotvalue = 120% pctrecov = 120% Water Year = 2015 plotvalue = 130% pctrecov = 160% Water Year = 2014 plotvalue = 120% pctrecov = 120% Water Year = 2014 plotvalue = 123% pctrecov = 123% Water Year = 2014 plotvalue = 130% pctrecov = 132% Water Year = 2014 plotvalue = 130% pctrecov = 132% Water Year = 2014 plotvalue = 130% pctrecov = 142% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2024 First Quartile = 105% Median = 110% Third Quartile = 114% Number of Observations = 63 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2023 First Quartile = 99% Median = 105% Third Quartile = 111% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2022 First Quartile = 102% Median = 106% Third Quartile = 110% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2021 First Quartile = 107% Median = 110% Third Quartile = 116% Number of Observations = 66 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2020 First Quartile = 103% Median = 105% Third Quartile = 108% Number of Observations = 64 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2019 First Quartile = 101% Median = 106% Third Quartile = 110% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 58 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2015 First Quartile = 103% Median = 106% Third Quartile = 110% Number of Observations = 68 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2014 First Quartile = 104% Median = 106% Third Quartile = 110% Number of Observations = 89 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Water Year = 2013 First Quartile = 104% Median = 107% Third Quartile = 109% Number of Observations = 25 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Fluoride, fltd, IC

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Fluoride, fltd, IC 00950IC003 2013 25 104.4% 106.6% 108.6%
    2014 89 104.0% 106.1% 109.7%
    2015 68 103.1% 105.9% 109.8%
    2016 58 101.1% 103.7% 109.3%
    2017 58 99.2% 102.0% 104.6%
    2019 58 101.2% 106.0% 109.6%
    2020 64 102.5% 104.9% 108.0%
    2021 66 106.9% 110.0% 115.7%
    2022 66 101.7% 106.0% 110.4%
    2023 66 99.4% 104.9% 111.0%
    2024 63 104.9% 110.2% 113.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Magnesium, fltd, ICP-OES -
Lab: NWQL, PCode: 00925, MCode: PLA11
Analysis Dates: 10/13/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2022 plotvalue = 122% pctrecov = 122% Water Year = 2021 plotvalue = 91% pctrecov = 91% Water Year = 2020 plotvalue = 93% pctrecov = 93% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 117% pctrecov = 117% Water Year = 2017 plotvalue = 95% pctrecov = 95% Water Year = 2017 plotvalue = 94% pctrecov = 94% Water Year = 2017 plotvalue = 92% pctrecov = 92% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2016 plotvalue = 114% pctrecov = 114% Water Year = 2016 plotvalue = 95% pctrecov = 95% Water Year = 2015 plotvalue = 111% pctrecov = 111% Water Year = 2015 plotvalue = 113% pctrecov = 113% Water Year = 2015 plotvalue = 95% pctrecov = 95% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 91% pctrecov = 91% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2011 plotvalue = 112% pctrecov = 112% Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2024 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 99 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2021 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 107 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 98 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 114 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 102% Third Quartile = 103% Number of Observations = 107 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 109 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 134 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 142 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 144 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Magnesium, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Magnesium, fltd, ICP-OES 00925PLA11 2010 144 92.7% 95.0% 97.3%
    2011 142 98.9% 100.9% 103.7%
    2012 134 101.2% 102.9% 104.2%
    2013 109 99.4% 102.0% 104.2%
    2014 107 96.8% 101.8% 103.4%
    2015 114 101.2% 102.8% 104.6%
    2016 114 102.1% 103.8% 105.7%
    2017 114 99.6% 101.3% 102.8%
    2019 98 100.2% 102.6% 105.3%
    2020 107 101.2% 103.2% 104.9%
    2021 114 99.9% 102.6% 105.3%
    2022 114 101.2% 103.0% 105.1%
    2023 114 100.1% 102.3% 104.3%
    2024 99 100.1% 102.3% 105.0%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Magnesium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00927, MCode: PLA15
Analysis Dates: 11/12/09 through 03/24/15
Open Data Set
Boxplot Description

Water Year = 2015 plotvalue = 104% pctrecov = 104% Water Year = 2015 plotvalue = 104% pctrecov = 104% Water Year = 2015 plotvalue = 96% pctrecov = 96% Water Year = 2015 plotvalue = 96% pctrecov = 96% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2011 plotvalue = 130% pctrecov = 290% Water Year = 2010 plotvalue = 100% pctrecov = 100% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 101% Number of Observations = 16 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 46 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2013 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 41 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Water Year = 2010 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 42 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Magnesium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Magnesium, unfltd, ICP-OES, recov 00927PLA15 2010 42 90.0% 91.7% 93.6%
    2011 41 96.4% 98.7% 100.3%
    2012 42 97.5% 98.2% 99.6%
    2013 42 97.7% 99.3% 102.2%
    2014 46 98.9% 100.3% 101.6%
    2015 16 99.4% 100.7% 100.9%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Magnesium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00927, MCode: PLO07
Analysis Dates: 06/09/15 through 09/21/24
Open Data Set
Boxplot Description

Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 94% pctrecov = 94% Water Year = 2016 plotvalue = 109% pctrecov = 109% Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 37 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2023 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 42 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2020 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 39 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2019 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 38 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 42 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Magnesium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Magnesium, unfltd, ICP-OES, recov 00927PLO07 2015 26 100.7% 103.1% 104.1%
    2016 42 101.3% 102.7% 104.1%
    2017 42 99.9% 100.8% 103.3%
    2019 38 101.0% 104.1% 106.0%
    2020 39 101.6% 102.8% 104.4%
    2021 42 98.8% 101.3% 104.6%
    2022 42 100.1% 102.1% 103.5%
    2023 42 99.4% 102.4% 104.8%
    2024 37 100.9% 102.5% 105.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Potassium, fltd, ICP-OES -
Lab: NWQL, PCode: 00935, MCode: PLO03
Analysis Dates: 10/14/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 105% pctrecov = 105% Water Year = 2024 plotvalue = 105% pctrecov = 105% Water Year = 2024 plotvalue = 106% pctrecov = 106% Water Year = 2024 plotvalue = 108% pctrecov = 108% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 92% pctrecov = 92% Water Year = 2024 plotvalue = 92% pctrecov = 92% Water Year = 2024 plotvalue = 87% pctrecov = 87% Water Year = 2024 plotvalue = 85% pctrecov = 85% Water Year = 2023 plotvalue = 108% pctrecov = 108% Water Year = 2023 plotvalue = 109% pctrecov = 109% Water Year = 2023 plotvalue = 109% pctrecov = 109% Water Year = 2023 plotvalue = 112% pctrecov = 112% Water Year = 2023 plotvalue = 93% pctrecov = 93% Water Year = 2023 plotvalue = 91% pctrecov = 91% Water Year = 2023 plotvalue = 90% pctrecov = 90% Water Year = 2023 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 110% pctrecov = 110% Water Year = 2022 plotvalue = 110% pctrecov = 110% Water Year = 2022 plotvalue = 110% pctrecov = 110% Water Year = 2022 plotvalue = 111% pctrecov = 111% Water Year = 2022 plotvalue = 112% pctrecov = 112% Water Year = 2022 plotvalue = 112% pctrecov = 112% Water Year = 2022 plotvalue = 130% pctrecov = 230% Water Year = 2022 plotvalue = 93% pctrecov = 93% Water Year = 2022 plotvalue = 93% pctrecov = 93% Water Year = 2022 plotvalue = 91% pctrecov = 91% Water Year = 2022 plotvalue = 89% pctrecov = 89% Water Year = 2022 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 111% pctrecov = 111% Water Year = 2021 plotvalue = 114% pctrecov = 114% Water Year = 2021 plotvalue = 130% pctrecov = 301% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 83% pctrecov = 83% Water Year = 2020 plotvalue = 110% pctrecov = 110% Water Year = 2020 plotvalue = 111% pctrecov = 111% Water Year = 2020 plotvalue = 111% pctrecov = 111% Water Year = 2020 plotvalue = 111% pctrecov = 111% Water Year = 2020 plotvalue = 112% pctrecov = 112% Water Year = 2020 plotvalue = 113% pctrecov = 113% Water Year = 2020 plotvalue = 113% pctrecov = 113% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2020 plotvalue = 130% pctrecov = 131% Water Year = 2020 plotvalue = 91% pctrecov = 91% Water Year = 2020 plotvalue = 90% pctrecov = 90% Water Year = 2020 plotvalue = 86% pctrecov = 86% Water Year = 2020 plotvalue = 79% pctrecov = 79% Water Year = 2019 plotvalue = 110% pctrecov = 110% Water Year = 2019 plotvalue = 112% pctrecov = 112% Water Year = 2019 plotvalue = 113% pctrecov = 113% Water Year = 2019 plotvalue = 113% pctrecov = 113% Water Year = 2019 plotvalue = 114% pctrecov = 114% Water Year = 2019 plotvalue = 122% pctrecov = 122% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 83% pctrecov = 83% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 112% pctrecov = 112% Water Year = 2017 plotvalue = 114% pctrecov = 114% Water Year = 2017 plotvalue = 93% pctrecov = 93% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2017 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 115% pctrecov = 115% Water Year = 2016 plotvalue = 125% pctrecov = 125% Water Year = 2016 plotvalue = 125% pctrecov = 125% Water Year = 2016 plotvalue = 82% pctrecov = 82% Water Year = 2015 plotvalue = 113% pctrecov = 113% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2014 plotvalue = 108% pctrecov = 108% Water Year = 2014 plotvalue = 108% pctrecov = 108% Water Year = 2014 plotvalue = 109% pctrecov = 109% Water Year = 2014 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 124% pctrecov = 124% Water Year = 2014 plotvalue = 84% pctrecov = 84% Water Year = 2013 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 109% pctrecov = 109% Water Year = 2013 plotvalue = 114% pctrecov = 114% Water Year = 2013 plotvalue = 90% pctrecov = 90% Water Year = 2013 plotvalue = 90% pctrecov = 90% Water Year = 2013 plotvalue = 70% pctrecov = 22% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 109% pctrecov = 109% Water Year = 2012 plotvalue = 90% pctrecov = 90% Water Year = 2010 plotvalue = 107% pctrecov = 107% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2010 plotvalue = 109% pctrecov = 109% Water Year = 2010 plotvalue = 109% pctrecov = 109% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 112% pctrecov = 112% Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2024 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 93 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 108 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2021 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 107 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 101 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 81 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2017 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 111 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2016 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 112 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2015 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 114 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 107 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 121 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2012 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 141 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 Water Year = 2011 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 143 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 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Potassium, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Potassium, fltd, ICP-OES 00935PLO03 2010 144 98.2% 99.8% 101.8%
    2011 143 97.3% 99.7% 101.5%
    2012 141 96.7% 98.7% 100.9%
    2013 121 97.1% 99.1% 101.3%
    2014 107 95.1% 97.6% 99.6%
    2015 114 98.9% 101.4% 104.4%
    2016 112 101.0% 103.6% 106.1%
    2017 111 98.2% 100.0% 101.2%
    2019 81 96.9% 99.8% 102.1%
    2020 101 98.5% 101.3% 103.0%
    2021 107 97.3% 100.0% 102.3%
    2022 108 99.8% 101.6% 103.6%
    2023 108 98.2% 100.0% 101.6%
    2024 93 97.8% 99.2% 100.5%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Potassium, fltd, ICP-OES, LL -
Lab: NWQL, PCode: 00935, MCode: PLO02
Analysis Dates: 10/20/09 through 09/27/24
Open Data Set
Boxplot Description

Water Year = 2021 plotvalue = 127% pctrecov = 127% Water Year = 2021 plotvalue = 127% pctrecov = 127% Water Year = 2020 plotvalue = 127% pctrecov = 127% Water Year = 2020 plotvalue = 127% pctrecov = 127% Water Year = 2016 plotvalue = 117% pctrecov = 117% Water Year = 2015 plotvalue = 130% pctrecov = 271% Water Year = 2015 plotvalue = 89% pctrecov = 89% Water Year = 2015 plotvalue = 81% pctrecov = 81% Water Year = 2015 plotvalue = 70% pctrecov = 29% Water Year = 2014 plotvalue = 70% pctrecov = 1% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2010 plotvalue = 70% pctrecov = 2% Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 23 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2021 First Quartile = 102% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2020 First Quartile = 99% Median = 104% Third Quartile = 109% Number of Observations = 24 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2019 First Quartile = 105% Median = 110% Third Quartile = 110% Number of Observations = 3 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2017 First Quartile = 99% Median = 107% Third Quartile = 111% Number of Observations = 8 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 105% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 24 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2014 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 22 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 102% Third Quartile = 107% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2012 First Quartile = 95% Median = 97% Third Quartile = 99% Number of Observations = 23 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2011 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 47 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 94% Median = 96% Third Quartile = 100% Number of Observations = 48 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Potassium, fltd, ICP-OES, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Potassium, fltd, ICP-OES, LL 00935PLO02 2010 48 93.6% 95.7% 100.3%
    2011 47 94.9% 96.2% 98.3%
    2012 23 94.9% 96.9% 98.7%
    2013 24 97.9% 102.2% 107.0%
    2014 22 97.6% 99.4% 101.8%
    2015 24 95.5% 98.7% 99.5%
    2016 24 96.9% 99.0% 104.9%
    2017 8 98.9% 106.7% 111.0%
    2019 3 105.1% 110.4% 110.4%
    2020 24 99.1% 104.2% 108.8%
    2021 24 101.7% 104.0% 109.1%
    2022 24 101.3% 102.9% 104.5%
    2023 24 101.0% 102.4% 103.1%
    2024 23 98.4% 101.6% 103.8%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Potassium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00937, MCode: PLO01
Analysis Dates: 11/12/09 through 02/10/14
Open Data Set
Boxplot Description

Water Year = 2012 plotvalue = 99% pctrecov = 99% Water Year = 2011 plotvalue = 130% pctrecov = 438% Water Year = 2010 plotvalue = 103% pctrecov = 103% Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 96% Third Quartile = 98% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2012 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 95% Third Quartile = 96% Number of Observations = 41 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Water Year = 2010 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 42 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Potassium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Potassium, unfltd, ICP-OES, recov 00937PLO01 2010 42 92.6% 94.7% 96.2%
    2011 41 93.9% 95.3% 96.5%
    2012 42 93.6% 94.9% 95.6%
    2013 42 94.6% 96.4% 97.5%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Silica, FIL, CFA -
Lab: NWQL, PCode: 00955, MCode: CL064
Analysis Dates: 10/08/09 through 02/17/10
Open Data Set
Boxplot Description

Water Year = 2010 plotvalue = 114% pctrecov = 114% Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2010 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 43 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 14 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Silica, FIL, CFA

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Silica, FIL, CFA 00955CL064 2009 14 96.7% 98.6% 100.5%
    2010 43 98.2% 99.8% 100.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Silica, fltd, DA -
Lab: NWQL, PCode: 00955, MCode: CL151
Analysis Dates: 03/15/10 through 09/23/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 122% pctrecov = 122% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2016 plotvalue = 103% pctrecov = 103% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2014 plotvalue = 96% pctrecov = 96% Water Year = 2014 plotvalue = 96% pctrecov = 96% Water Year = 2013 plotvalue = 105% pctrecov = 105% Water Year = 2013 plotvalue = 90% pctrecov = 90% Water Year = 2012 plotvalue = 91% pctrecov = 91% Water Year = 2012 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 70% pctrecov = 1% Water Year = 2010 plotvalue = 103% pctrecov = 103% Water Year = 2010 plotvalue = 103% pctrecov = 103% Water Year = 2010 plotvalue = 104% pctrecov = 104% Water Year = 2010 plotvalue = 106% pctrecov = 106% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2024 First Quartile = 95% Median = 98% Third Quartile = 99% Number of Observations = 25 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2021 First Quartile = 98% Median = 99% Third Quartile = 103% Number of Observations = 20 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 19 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2017 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2016 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 20 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2015 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2014 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 33 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2012 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 94 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 134 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Water Year = 2010 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 62 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Silica, fltd, DA

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Silica, fltd, DA 00955CL151 2010 62 94.0% 95.1% 96.7%
    2011 134 97.8% 100.2% 102.8%
    2012 94 98.2% 99.6% 102.8%
    2013 48 97.2% 98.5% 100.3%
    2014 33 100.4% 101.7% 103.1%
    2015 24 97.1% 100.3% 101.9%
    2016 20 97.3% 98.6% 99.8%
    2017 20 98.1% 99.3% 100.1%
    2019 20 100.2% 101.5% 102.9%
    2020 19 100.6% 102.4% 103.8%
    2021 20 97.8% 99.3% 103.1%
    2022 20 99.9% 101.9% 103.3%
    2023 24 98.2% 100.4% 102.7%
    2024 25 95.4% 97.6% 98.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Silica, fltd, ICP-OES -
Lab: NWQL, PCode: 00955, MCode: PLA11
Analysis Dates: 10/14/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 119% pctrecov = 119% Water Year = 2024 plotvalue = 100% pctrecov = 100% Water Year = 2023 plotvalue = 130% pctrecov = 133% Water Year = 2023 plotvalue = 130% pctrecov = 133% Water Year = 2022 plotvalue = 120% pctrecov = 120% Water Year = 2022 plotvalue = 121% pctrecov = 121% Water Year = 2021 plotvalue = 98% pctrecov = 98% Water Year = 2021 plotvalue = 97% pctrecov = 97% Water Year = 2021 plotvalue = 96% pctrecov = 96% Water Year = 2021 plotvalue = 95% pctrecov = 95% Water Year = 2021 plotvalue = 92% pctrecov = 92% Water Year = 2021 plotvalue = 70% pctrecov = 67% Water Year = 2020 plotvalue = 111% pctrecov = 111% Water Year = 2020 plotvalue = 112% pctrecov = 112% Water Year = 2020 plotvalue = 115% pctrecov = 115% Water Year = 2020 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 118% pctrecov = 118% Water Year = 2019 plotvalue = 119% pctrecov = 119% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 124% pctrecov = 124% Water Year = 2019 plotvalue = 125% pctrecov = 125% Water Year = 2019 plotvalue = 126% pctrecov = 126% Water Year = 2019 plotvalue = 97% pctrecov = 97% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 109% pctrecov = 109% Water Year = 2016 plotvalue = 115% pctrecov = 115% Water Year = 2016 plotvalue = 116% pctrecov = 116% Water Year = 2016 plotvalue = 120% pctrecov = 120% Water Year = 2016 plotvalue = 122% pctrecov = 122% Water Year = 2016 plotvalue = 128% pctrecov = 128% Water Year = 2015 plotvalue = 70% pctrecov = 36% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 91% pctrecov = 91% Water Year = 2014 plotvalue = 88% pctrecov = 88% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 126% pctrecov = 126% Water Year = 2013 plotvalue = 130% pctrecov = 130% Water Year = 2013 plotvalue = 90% pctrecov = 90% Water Year = 2013 plotvalue = 90% pctrecov = 90% Water Year = 2013 plotvalue = 88% pctrecov = 88% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 94% pctrecov = 94% Water Year = 2011 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2024 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 93 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2023 First Quartile = 104% Median = 105% Third Quartile = 107% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2022 First Quartile = 105% Median = 107% Third Quartile = 108% Number of Observations = 108 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2021 First Quartile = 103% Median = 105% Third Quartile = 106% Number of Observations = 107 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2020 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 101 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2019 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 95 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2017 First Quartile = 103% Median = 104% Third Quartile = 105% Number of Observations = 108 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 112 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2015 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 114 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 107 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2013 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 121 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2012 First Quartile = 98% Median = 102% Third Quartile = 104% Number of Observations = 140 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2011 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 143 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 144 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Silica, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Silica, fltd, ICP-OES 00955PLA11 2010 144 95.6% 97.9% 101.6%
    2011 143 100.6% 102.3% 104.1%
    2012 140 98.4% 101.9% 104.1%
    2013 121 96.6% 98.5% 100.4%
    2014 107 96.9% 98.6% 100.1%
    2015 114 96.1% 98.8% 102.0%
    2016 112 101.5% 103.6% 106.8%
    2017 108 102.5% 103.7% 104.8%
    2019 95 102.3% 103.4% 105.8%
    2020 101 102.5% 104.1% 105.7%
    2021 107 102.9% 104.6% 106.0%
    2022 108 104.7% 106.6% 108.2%
    2023 108 103.6% 105.3% 107.0%
    2024 93 104.7% 106.0% 107.6%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Silica, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00956, MCode: PLA15
Analysis Dates: 02/29/12 through 03/24/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 103% pctrecov = 103% Water Year = 2013 plotvalue = 130% pctrecov = 170% Water Year = 2013 plotvalue = 89% pctrecov = 89% Water Year = 2012 plotvalue = 98% pctrecov = 98% Water Year = 2012 plotvalue = 88% pctrecov = 88% Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2015 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 16 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2014 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 46 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Water Year = 2012 First Quartile = 92% Median = 93% Third Quartile = 94% Number of Observations = 14 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Silica, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Silica, unfltd, ICP-OES, recov 00956PLA15 2012 14 92.0% 93.1% 94.3%
    2013 42 94.7% 96.6% 98.4%
    2014 46 95.3% 96.6% 97.6%
    2015 16 92.5% 94.9% 95.7%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Silica, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00956, MCode: PLO07
Analysis Dates: 05/28/15 through 09/06/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 128% pctrecov = 128% Water Year = 2022 plotvalue = 130% pctrecov = 394% Water Year = 2021 plotvalue = 93% pctrecov = 93% Water Year = 2020 plotvalue = 106% pctrecov = 106% Water Year = 2020 plotvalue = 98% pctrecov = 98% Water Year = 2020 plotvalue = 97% pctrecov = 97% Water Year = 2019 plotvalue = 119% pctrecov = 119% Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2024 First Quartile = 103% Median = 106% Third Quartile = 109% Number of Observations = 7 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2022 First Quartile = 104% Median = 105% Third Quartile = 108% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2019 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 20 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 24 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 41 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Water Year = 2015 First Quartile = 94% Median = 95% Third Quartile = 97% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Silica, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Silica, unfltd, ICP-OES, recov 00956PLO07 2015 26 94.3% 94.6% 97.0%
    2016 41 96.7% 99.6% 102.6%
    2017 24 101.6% 103.8% 105.6%
    2019 20 101.9% 104.2% 107.1%
    2020 24 100.8% 101.9% 102.8%
    2021 24 99.9% 102.5% 103.5%
    2022 24 104.0% 105.4% 107.9%
    2023 24 101.1% 103.4% 105.9%
    2024 7 103.3% 106.4% 109.4%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Sodium, fltd, ICP-OES -
Lab: NWQL, PCode: 00930, MCode: PLA11
Analysis Dates: 10/13/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 111% pctrecov = 111% Water Year = 2023 plotvalue = 109% pctrecov = 109% Water Year = 2023 plotvalue = 98% pctrecov = 98% Water Year = 2023 plotvalue = 92% pctrecov = 92% Water Year = 2022 plotvalue = 109% pctrecov = 109% Water Year = 2022 plotvalue = 109% pctrecov = 109% Water Year = 2022 plotvalue = 110% pctrecov = 110% Water Year = 2022 plotvalue = 113% pctrecov = 113% Water Year = 2022 plotvalue = 98% pctrecov = 98% Water Year = 2021 plotvalue = 94% pctrecov = 94% Water Year = 2020 plotvalue = 109% pctrecov = 109% Water Year = 2020 plotvalue = 112% pctrecov = 112% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 94% pctrecov = 94% Water Year = 2017 plotvalue = 113% pctrecov = 113% Water Year = 2017 plotvalue = 117% pctrecov = 117% Water Year = 2017 plotvalue = 120% pctrecov = 120% Water Year = 2017 plotvalue = 130% pctrecov = 169% Water Year = 2016 plotvalue = 120% pctrecov = 120% Water Year = 2016 plotvalue = 123% pctrecov = 123% Water Year = 2016 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 82% pctrecov = 82% Water Year = 2015 plotvalue = 117% pctrecov = 117% Water Year = 2015 plotvalue = 117% pctrecov = 117% Water Year = 2015 plotvalue = 119% pctrecov = 119% Water Year = 2015 plotvalue = 122% pctrecov = 122% Water Year = 2015 plotvalue = 91% pctrecov = 91% Water Year = 2015 plotvalue = 90% pctrecov = 90% Water Year = 2015 plotvalue = 79% pctrecov = 79% Water Year = 2014 plotvalue = 110% pctrecov = 110% Water Year = 2014 plotvalue = 110% pctrecov = 110% Water Year = 2014 plotvalue = 88% pctrecov = 88% Water Year = 2014 plotvalue = 70% pctrecov = 69% 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 = 92% pctrecov = 92% Water Year = 2012 plotvalue = 90% pctrecov = 90% Water Year = 2012 plotvalue = 88% pctrecov = 88% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 88% pctrecov = 88% Water Year = 2011 plotvalue = 87% pctrecov = 87% Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2024 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 93 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2023 First Quartile = 102% Median = 103% Third Quartile = 104% Number of Observations = 114 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 106 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2021 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 98 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2020 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 89 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 85 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2017 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2016 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2015 First Quartile = 102% Median = 105% Third Quartile = 108% Number of Observations = 114 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 107 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2013 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 109 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 134 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 142 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Water Year = 2010 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 144 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Sodium, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Sodium, fltd, ICP-OES 00930PLA11 2010 144 94.2% 97.8% 100.8%
    2011 142 98.2% 100.8% 102.6%
    2012 134 99.1% 101.3% 103.9%
    2013 109 97.2% 100.3% 103.5%
    2014 107 98.1% 100.5% 102.8%
    2015 114 102.3% 105.2% 107.8%
    2016 114 102.4% 104.8% 107.9%
    2017 114 99.4% 101.6% 104.1%
    2019 85 99.6% 101.0% 102.3%
    2020 89 100.8% 102.6% 104.1%
    2021 98 100.4% 102.1% 104.0%
    2022 106 101.9% 103.3% 104.6%
    2023 114 101.6% 102.8% 103.9%
    2024 93 100.8% 102.2% 103.5%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Sodium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00929, MCode: PLA15
Analysis Dates: 11/12/09 through 03/24/15
Open Data Set
Boxplot Description

Water Year = 2015 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 93% pctrecov = 93% Water Year = 2010 plotvalue = 103% pctrecov = 103% Water Year = 2010 plotvalue = 103% pctrecov = 103% Water Year = 2010 plotvalue = 89% pctrecov = 89% Water Year = 2010 plotvalue = 88% pctrecov = 88% Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2015 First Quartile = 98% Median = 99% Third Quartile = 101% Number of Observations = 16 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2014 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 46 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 42 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2011 First Quartile = 94% Median = 97% Third Quartile = 98% Number of Observations = 41 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 42 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Sodium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Sodium, unfltd, ICP-OES, recov 00929PLA15 2010 42 94.7% 96.7% 97.9%
    2011 41 94.3% 97.2% 98.3%
    2012 42 96.4% 97.7% 99.2%
    2013 42 97.3% 98.3% 99.9%
    2014 46 97.9% 99.6% 101.1%
    2015 16 97.8% 98.9% 100.6%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Sodium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 00929, MCode: PLO07
Analysis Dates: 05/30/15 through 09/21/24
Open Data Set
Boxplot Description

Water Year = 2022 plotvalue = 130% pctrecov = 303% Water Year = 2021 plotvalue = 95% pctrecov = 95% Water Year = 2016 plotvalue = 112% pctrecov = 112% Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2024 First Quartile = 102% Median = 104% Third Quartile = 106% Number of Observations = 21 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2022 First Quartile = 101% Median = 103% Third Quartile = 104% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 101% Median = 102% Third Quartile = 104% Number of Observations = 20 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2017 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2016 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 41 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Water Year = 2015 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Sodium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Sodium, unfltd, ICP-OES, recov 00929PLO07 2015 26 101.6% 103.3% 104.6%
    2016 41 101.2% 103.0% 105.0%
    2017 24 100.8% 102.0% 102.9%
    2019 20 100.6% 102.1% 104.0%
    2020 24 100.0% 101.8% 103.9%
    2021 24 100.1% 101.2% 102.7%
    2022 24 100.7% 102.6% 104.1%
    2023 24 101.0% 102.3% 104.3%
    2024 21 101.5% 104.0% 105.6%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Specific Cond, LAB, UNF -
Lab: NWQL, PCode: 90095, MCode: WHT03
Analysis Dates: 10/08/09 through 09/25/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 105% pctrecov = 105% Water Year = 2024 plotvalue = 105% pctrecov = 105% Water Year = 2024 plotvalue = 107% pctrecov = 107% Water Year = 2024 plotvalue = 107% pctrecov = 107% Water Year = 2024 plotvalue = 109% pctrecov = 109% Water Year = 2024 plotvalue = 109% pctrecov = 109% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 93% pctrecov = 93% Water Year = 2024 plotvalue = 92% pctrecov = 92% Water Year = 2024 plotvalue = 89% pctrecov = 89% Water Year = 2023 plotvalue = 106% pctrecov = 106% Water Year = 2023 plotvalue = 95% pctrecov = 95% Water Year = 2023 plotvalue = 94% pctrecov = 94% Water Year = 2023 plotvalue = 93% pctrecov = 93% Water Year = 2023 plotvalue = 93% pctrecov = 93% Water Year = 2023 plotvalue = 93% pctrecov = 93% Water Year = 2023 plotvalue = 92% pctrecov = 92% Water Year = 2023 plotvalue = 91% pctrecov = 91% Water Year = 2022 plotvalue = 104% pctrecov = 104% Water Year = 2022 plotvalue = 118% pctrecov = 118% Water Year = 2021 plotvalue = 105% pctrecov = 105% Water Year = 2021 plotvalue = 105% pctrecov = 105% Water Year = 2021 plotvalue = 106% pctrecov = 106% Water Year = 2021 plotvalue = 106% pctrecov = 106% Water Year = 2021 plotvalue = 106% pctrecov = 106% Water Year = 2021 plotvalue = 106% pctrecov = 106% Water Year = 2021 plotvalue = 107% pctrecov = 107% Water Year = 2021 plotvalue = 107% pctrecov = 107% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2021 plotvalue = 111% pctrecov = 111% Water Year = 2021 plotvalue = 70% pctrecov = 58% Water Year = 2020 plotvalue = 105% pctrecov = 105% Water Year = 2020 plotvalue = 105% pctrecov = 105% Water Year = 2020 plotvalue = 106% pctrecov = 106% Water Year = 2020 plotvalue = 115% pctrecov = 115% Water Year = 2020 plotvalue = 115% pctrecov = 115% Water Year = 2020 plotvalue = 129% pctrecov = 129% Water Year = 2019 plotvalue = 105% pctrecov = 105% Water Year = 2019 plotvalue = 105% pctrecov = 105% Water Year = 2019 plotvalue = 111% pctrecov = 111% Water Year = 2019 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 106% pctrecov = 106% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2017 plotvalue = 109% pctrecov = 109% Water Year = 2014 plotvalue = 105% pctrecov = 105% Water Year = 2014 plotvalue = 106% pctrecov = 106% Water Year = 2014 plotvalue = 106% pctrecov = 106% Water Year = 2014 plotvalue = 106% pctrecov = 106% Water Year = 2014 plotvalue = 106% pctrecov = 106% Water Year = 2014 plotvalue = 108% pctrecov = 108% Water Year = 2014 plotvalue = 115% pctrecov = 115% Water Year = 2014 plotvalue = 116% pctrecov = 116% Water Year = 2014 plotvalue = 118% pctrecov = 118% Water Year = 2014 plotvalue = 122% pctrecov = 122% Water Year = 2014 plotvalue = 130% pctrecov = 214% Water Year = 2014 plotvalue = 130% pctrecov = 150% Water Year = 2013 plotvalue = 106% pctrecov = 106% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 108% pctrecov = 108% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 96% pctrecov = 96% Water Year = 2012 plotvalue = 95% pctrecov = 95% Water Year = 2011 plotvalue = 104% pctrecov = 104% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2010 plotvalue = 106% pctrecov = 106% Water Year = 2010 plotvalue = 106% pctrecov = 106% Water Year = 2010 plotvalue = 108% pctrecov = 108% Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2024 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2022 First Quartile = 100% Median = 100% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2021 First Quartile = 100% Median = 100% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2020 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 65 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2019 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 58 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2017 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 66 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2016 First Quartile = 100% Median = 101% Third Quartile = 105% Number of Observations = 72 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2015 First Quartile = 101% Median = 103% Third Quartile = 106% Number of Observations = 71 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 98% Third Quartile = 100% Number of Observations = 83 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2013 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 124 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2012 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 140 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2011 First Quartile = 99% Median = 100% Third Quartile = 101% Number of Observations = 138 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Water Year = 2010 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 144 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Specific Cond, LAB, UNF

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Specific Cond, LAB, UNF 90095WHT03 2010 144 99.2% 100.7% 101.8%
    2011 138 98.9% 99.7% 101.0%
    2012 140 98.9% 99.8% 100.7%
    2013 124 99.3% 100.1% 101.1%
    2014 83 96.8% 98.2% 100.1%
    2015 71 101.0% 102.8% 106.2%
    2016 72 100.3% 101.4% 104.9%
    2017 66 100.2% 100.7% 102.0%
    2019 58 100.4% 100.8% 102.1%
    2020 65 100.3% 100.9% 102.0%
    2021 65 99.6% 100.3% 101.8%
    2022 66 99.7% 100.5% 101.3%
    2023 66 100.0% 101.0% 102.3%
    2024 65 100.4% 101.3% 102.3%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Sulfate, FIL, IC, LL -
Lab: NWQL, PCode: 00945, MCode: IC024
Analysis Dates: 10/24/09 through 11/01/13
Open Data Set
Boxplot Description

Water Year = 2011 plotvalue = 111% pctrecov = 111% Water Year = 2011 plotvalue = 113% pctrecov = 113% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2012 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 24 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Water Year = 2010 First Quartile = 89% Median = 96% Third Quartile = 103% Number of Observations = 48 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Sulfate, FIL, IC, LL

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Sulfate, FIL, IC, LL 00945IC024 2010 48 88.8% 96.0% 102.6%
    2011 47 97.9% 100.6% 102.7%
    2012 24 95.0% 99.6% 102.2%
    2013 24 98.5% 99.9% 102.9%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.


- Sulfate, fltd, IC -
Lab: NWQL, PCode: 00945, MCode: IC022
Analysis Dates: 10/07/09 through 09/18/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 92% pctrecov = 92% Water Year = 2024 plotvalue = 91% pctrecov = 91% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 86% pctrecov = 86% Water Year = 2024 plotvalue = 84% pctrecov = 84% Water Year = 2023 plotvalue = 115% pctrecov = 115% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2023 plotvalue = 70% pctrecov = 65% Water Year = 2022 plotvalue = 81% pctrecov = 81% Water Year = 2022 plotvalue = 80% pctrecov = 80% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 112% pctrecov = 112% Water Year = 2021 plotvalue = 112% pctrecov = 112% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 86% pctrecov = 86% Water Year = 2021 plotvalue = 85% pctrecov = 85% Water Year = 2021 plotvalue = 82% pctrecov = 82% Water Year = 2021 plotvalue = 81% pctrecov = 81% Water Year = 2021 plotvalue = 79% pctrecov = 79% Water Year = 2019 plotvalue = 117% pctrecov = 117% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 130% pctrecov = 131% Water Year = 2016 plotvalue = 108% pctrecov = 108% Water Year = 2014 plotvalue = 109% pctrecov = 109% Water Year = 2014 plotvalue = 116% pctrecov = 116% Water Year = 2013 plotvalue = 91% pctrecov = 91% Water Year = 2013 plotvalue = 70% pctrecov = 57% Water Year = 2012 plotvalue = 111% pctrecov = 111% Water Year = 2012 plotvalue = 93% pctrecov = 93% Water Year = 2012 plotvalue = 93% pctrecov = 93% Water Year = 2011 plotvalue = 111% pctrecov = 111% Water Year = 2011 plotvalue = 115% pctrecov = 115% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 112% pctrecov = 112% Water Year = 2010 plotvalue = 112% pctrecov = 112% Water Year = 2010 plotvalue = 113% pctrecov = 113% Water Year = 2010 plotvalue = 115% pctrecov = 115% Water Year = 2010 plotvalue = 117% pctrecov = 117% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2009 plotvalue = 111% pctrecov = 111% Water Year = 2009 plotvalue = 113% pctrecov = 113% Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2024 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 63 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2023 First Quartile = 97% Median = 99% Third Quartile = 102% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2022 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2021 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 66 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 64 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2019 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 58 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2017 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 66 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 72 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2014 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 124 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2012 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 144 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2011 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 138 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2010 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 136 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Water Year = 2009 First Quartile = 98% Median = 100% Third Quartile = 102% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Sulfate, fltd, IC

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Sulfate, fltd, IC 00945IC022 2009 12 98.1% 99.6% 102.0%
    2010 136 98.4% 100.6% 103.1%
    2011 138 98.0% 100.7% 102.5%
    2012 144 99.1% 101.0% 103.0%
    2013 124 98.4% 100.5% 102.2%
    2014 90 96.2% 98.5% 101.1%
    2015 72 95.4% 98.3% 101.2%
    2016 72 96.2% 99.0% 100.9%
    2017 66 95.2% 97.9% 99.9%
    2019 58 99.0% 101.6% 104.9%
    2020 64 91.7% 98.0% 102.1%
    2021 66 95.8% 98.2% 100.6%
    2022 66 95.6% 98.4% 102.7%
    2023 66 96.6% 99.0% 101.6%
    2024 63 98.0% 100.8% 102.0%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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 solids, unfltd, dried at 105 deg C -
Lab: NWQL, PCode: 00500, MCode: ROE12
Analysis Dates: 10/05/09 through 09/24/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 123% pctrecov = 123% Water Year = 2022 plotvalue = 125% pctrecov = 125% Water Year = 2021 plotvalue = 130% pctrecov = 140% Water Year = 2020 plotvalue = 120% pctrecov = 120% Water Year = 2016 plotvalue = 117% pctrecov = 117% Water Year = 2016 plotvalue = 118% pctrecov = 118% Water Year = 2016 plotvalue = 121% pctrecov = 121% Water Year = 2016 plotvalue = 130% pctrecov = 134% Water Year = 2016 plotvalue = 91% pctrecov = 91% Water Year = 2015 plotvalue = 129% pctrecov = 129% Water Year = 2015 plotvalue = 81% pctrecov = 81% Water Year = 2015 plotvalue = 70% pctrecov = 62% Water Year = 2014 plotvalue = 70% pctrecov = 45% Water Year = 2013 plotvalue = 130% pctrecov = 130% Water Year = 2013 plotvalue = 89% pctrecov = 89% Water Year = 2013 plotvalue = 89% pctrecov = 89% Water Year = 2012 plotvalue = 125% pctrecov = 125% Water Year = 2012 plotvalue = 130% pctrecov = 134% Water Year = 2011 plotvalue = 128% pctrecov = 128% Water Year = 2011 plotvalue = 130% pctrecov = 130% Water Year = 2011 plotvalue = 72% pctrecov = 72% Water Year = 2011 plotvalue = 70% pctrecov = 67% Water Year = 2010 plotvalue = 72% pctrecov = 72% Water Year = 2010 plotvalue = 70% pctrecov = 20% Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2024 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 17 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2022 First Quartile = 100% Median = 105% Third Quartile = 107% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2021 First Quartile = 96% Median = 103% Third Quartile = 108% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2020 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2019 First Quartile = 97% Median = 103% Third Quartile = 106% Number of Observations = 18 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2017 First Quartile = 101% Median = 104% Third Quartile = 109% Number of Observations = 27 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2016 First Quartile = 102% Median = 104% Third Quartile = 107% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 109% Number of Observations = 36 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2014 First Quartile = 96% Median = 100% Third Quartile = 108% Number of Observations = 12 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2013 First Quartile = 101% Median = 103% Third Quartile = 108% Number of Observations = 36 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2012 First Quartile = 94% Median = 99% Third Quartile = 104% Number of Observations = 32 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2011 First Quartile = 92% Median = 100% Third Quartile = 105% Number of Observations = 35 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2010 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 36 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Water Year = 2009 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 4 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Total solids, unfltd, dried at 105 deg C

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Total solids, unfltd, dried at 105 deg C 00500ROE12 2009 4 105.4% 106.3% 108.2%
    2010 36 95.1% 100.1% 102.9%
    2011 35 92.2% 99.7% 105.1%
    2012 32 93.7% 99.2% 104.4%
    2013 36 101.3% 102.7% 108.2%
    2014 12 96.5% 100.3% 108.0%
    2015 36 98.4% 101.7% 109.4%
    2016 36 102.0% 103.9% 107.3%
    2017 27 100.7% 103.8% 109.0%
    2019 18 97.3% 102.7% 105.5%
    2020 18 99.1% 102.7% 106.3%
    2021 18 96.4% 103.4% 107.6%
    2022 18 100.3% 105.1% 107.3%
    2023 18 96.9% 99.8% 107.2%
    2024 17 96.2% 100.5% 106.1%

Hover over boxplot or outliers for additional information
Chart generated 03/27/2025
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.