OHA Drinking Water Services
OR41
PWS ID: 93759 ---- PRATUM ELEMENTARY
Arsenic Running Annual Averages

Results shown are only for quarterly or monthly monitoring schedules.
Averages are subject to change as new data is taken into consideration.

Arsenic MCL = 0.010 mg/L. MCL exceedances are indicated with red text.

MP Begin MP End MP Name Location Sample
Point		 Arsenic RAA
(mg/L)
04/01/2025 06/30/2025 2Q2025 EP for WELL EP-A0.000
01/01/2025 03/31/2025 1Q2025 EP for WELL EP-A0.000
10/01/2024 12/31/2024 4Q2024 EP for WELL EP-A0.000
07/01/2024 09/30/2024 3Q2024 EP for WELL EP-A0.000
04/01/2024 06/30/2024 2Q2024 EP for WELL EP-A0.000
01/01/2024 03/31/2024 1Q2024 EP for WELL EP-A0.000
10/01/2023 12/31/2023 4Q2023 EP for WELL EP-A0.000
07/01/2023 09/30/2023 3Q2023 EP for WELL EP-A0.000
04/01/2023 06/30/2023 2Q2023 EP for WELL EP-A0.000
01/01/2023 03/31/2023 1Q2023 EP for WELL EP-A0.000
10/01/2022 12/31/2022 4Q2022 EP for WELL EP-A0.000
07/01/2022 09/30/2022 3Q2022 EP for WELL EP-A0.000
04/01/2022 06/30/2022 2Q2022 EP for WELL EP-A0.000
01/01/2022 03/31/2022 1Q2022 EP for WELL EP-A0.000
10/01/2021 12/31/2021 4Q2021 EP for WELL EP-A0.000
07/01/2021 09/30/2021 3Q2021 EP for WELL EP-A0.000
04/01/2021 06/30/2021 2Q2021 EP for WELL EP-A0.001
01/01/2021 03/31/2021 1Q2021 EP for WELL EP-A0.001
10/01/2020 12/31/2020 4Q2020 EP for WELL EP-A0.001
07/01/2020 09/30/2020 3Q2020 EP for WELL EP-A0.001
04/01/2020 06/30/2020 2Q2020 EP for WELL EP-A0.000
01/01/2020 03/31/2020 1Q2020 EP for WELL EP-A0.000
10/01/2019 12/31/2019 4Q2019 EP for WELL EP-A0.000
07/01/2019 09/30/2019 3Q2019 EP for WELL EP-A0.000
04/01/2019 06/30/2019 2Q2019 EP for WELL EP-A0.000
01/01/2019 03/31/2019 1Q2019 EP for WELL EP-A0.000
10/01/2018 12/31/2018 4Q2018 EP for WELL EP-A0.000
07/01/2018 09/30/2018 3Q2018 EP for WELL EP-A0.000
04/01/2018 06/30/2018 2Q2018 EP for WELL EP-A0.000
01/01/2018 03/31/2018 1Q2018 EP for WELL EP-A0.000
10/01/2017 12/31/2017 4Q2017 EP for WELL EP-A0.000
07/01/2017 09/30/2017 3Q2017 EP for WELL EP-A0.000
04/01/2017 06/30/2017 2Q2017 EP for WELL EP-A0.000
01/01/2017 03/31/2017 1Q2017 EP for WELL EP-A0.000
10/01/2016 12/31/2016 4Q2016 EP for WELL EP-A0.000
07/01/2016 09/30/2016 3Q2016 EP for WELL EP-A0.000
04/01/2016 06/30/2016 2Q2016 EP for WELL EP-A0.000
01/01/2016 03/31/2016 1Q2016 EP for WELL EP-A0.000
10/01/2015 12/31/2015 4Q2015 EP for WELL EP-A0.000
07/01/2015 09/30/2015 3Q2015 EP for WELL EP-A0.000
04/01/2015 06/30/2015 2Q2015 EP for WELL EP-A0.000
01/01/2015 03/31/2015 1Q2015 EP for WELL EP-A0.000
10/01/2014 12/31/2014 4Q2014 EP for WELL EP-A0.000
07/01/2014 09/30/2014 3Q2014 EP for WELL EP-A0.000
04/01/2014 06/30/2014 2Q2014 EP for WELL EP-A0.000
01/01/2014 03/31/2014 1Q2014 EP for WELL EP-A0.000
10/01/2013 12/31/2013 4Q2013 EP for WELL EP-A0.005
09/01/2013 09/30/2013 SEP2013 EP for WELL EP-A0.010
08/01/2013 08/31/2013 AUG2013 EP for WELL EP-A0.010
07/01/2013 07/31/2013 JUL2013 EP for WELL EP-A0.010
04/01/2013 06/30/2013 2Q2013 EP for WELL EP-A0.013
01/01/2013 03/31/2013 1Q2013 EP for WELL EP-A0.013
10/01/2012 12/31/2012 4Q2012 EP for WELL EP-A0.009
07/01/2010 09/30/2010 3Q2010 EP for WELL EP-A0.004
04/01/2010 06/30/2010 2Q2010 EP for WELL EP-A0.007
01/01/2010 03/31/2010 1Q2010 EP for WELL EP-A0.010
10/01/2009 12/31/2009 4Q2009 EP for WELL EP-A0.014
07/01/2009 09/30/2009 3Q2009 EP for WELL EP-A0.012
04/01/2009 06/30/2009 2Q2009 EP for WELL EP-A0.012
01/01/2009 03/31/2009 1Q2009 EP for WELL EP-A0.011
10/01/2008 12/31/2008 4Q2008 EP for WELL EP-A0.009
07/01/2008 09/30/2008 3Q2008 EP for WELL EP-A0.006
04/01/2008 06/30/2008 2Q2008 EP for WELL EP-A0.003
01/01/2008 03/31/2008 1Q2008 EP for WELL EP-A0.001
10/01/2007 12/31/2007 4Q2007 EP for WELL EP-A0.000
07/01/2007 09/30/2007 3Q2007 EP for WELL EP-A0.000
04/01/2007 06/30/2007 2Q2007 EP for WELL EP-A0.000



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