OHA Drinking Water Services
OR41
PWS ID: 00067 ---- AURORA, CITY OF
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 PARK WELLS (WELL #4 & #5) EP-A0.008
01/01/2025 03/31/2025 1Q2025 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
10/01/2024 12/31/2024 4Q2024 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
07/01/2024 09/30/2024 3Q2024 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
04/01/2024 06/30/2024 2Q2024 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
01/01/2024 03/31/2024 1Q2024 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
10/01/2023 12/31/2023 4Q2023 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
07/01/2023 09/30/2023 3Q2023 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
04/01/2023 06/30/2023 2Q2023 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
01/01/2023 03/31/2023 1Q2023 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
10/01/2022 12/31/2022 4Q2022 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
07/01/2022 09/30/2022 3Q2022 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
04/01/2022 06/30/2022 2Q2022 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
01/01/2022 03/31/2022 1Q2022 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
10/01/2021 12/31/2021 4Q2021 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.003
07/01/2014 09/30/2014 3Q2014 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
04/01/2014 06/30/2014 2Q2014 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
01/01/2014 03/31/2014 1Q2014 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
10/01/2013 12/31/2013 4Q2013 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
07/01/2013 09/30/2013 3Q2013 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
04/01/2013 06/30/2013 2Q2013 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.009
01/01/2013 03/31/2013 1Q2013 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.009
10/01/2012 12/31/2012 4Q2012 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.009
07/01/2012 09/30/2012 3Q2012 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.009
04/01/2012 06/30/2012 2Q2012 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.009
01/01/2012 03/31/2012 1Q2012 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
10/01/2011 12/31/2011 4Q2011 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
07/01/2011 09/30/2011 3Q2011 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
04/01/2011 06/30/2011 2Q2011 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.007
01/01/2011 03/31/2011 1Q2011 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
10/01/2010 12/31/2010 4Q2010 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
07/01/2010 09/30/2010 3Q2010 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
04/01/2010 06/30/2010 2Q2010 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
01/01/2010 03/31/2010 1Q2010 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
10/01/2009 12/31/2009 4Q2009 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
07/01/2009 09/30/2009 3Q2009 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
04/01/2009 06/30/2009 2Q2009 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
01/01/2009 03/31/2009 1Q2009 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.006
10/01/2008 12/31/2008 4Q2008 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.008
07/01/2008 09/30/2008 3Q2008 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
04/01/2008 06/30/2008 2Q2008 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
01/01/2008 03/31/2008 1Q2008 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
10/01/2007 12/31/2007 4Q2007 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.002
07/01/2007 09/30/2007 3Q2007 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
04/01/2007 06/30/2007 2Q2007 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005
01/01/2007 03/31/2007 1Q2007 EP FOR PARK WELLS (WELL #4 & #5) EP-A0.005



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