OHA Drinking Water Services
OR41
PWS ID: 90575 ---- HARPER HIGH/ELEMENTARY SD 66
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)
11/01/2024 11/30/2024 NOV2024 EP for WELL EP-A0.001
10/01/2024 10/31/2024 OCT2024 EP for WELL EP-A0.001
09/01/2024 09/30/2024 SEP2024 EP for WELL EP-A0.001
08/01/2024 08/31/2024 AUG2024 EP for WELL EP-A0.001
07/01/2024 07/31/2024 JUL2024 EP for WELL EP-A0.005
06/01/2024 06/30/2024 JUN2024 EP for WELL EP-A0.006
05/01/2024 05/31/2024 MAY2024 EP for WELL EP-A0.006
04/01/2024 04/30/2024 APR2024 EP for WELL EP-A0.006
03/01/2024 03/31/2024 MAR2024 EP for WELL EP-A0.006
02/01/2024 02/29/2024 FEB2024 EP for WELL EP-A0.006
01/01/2024 01/31/2024 JAN2024 EP for WELL EP-A0.006
12/01/2023 12/31/2023 DEC2023 EP for WELL EP-A0.006
11/01/2023 11/30/2023 NOV2023 EP for WELL EP-A0.006
10/01/2023 10/31/2023 OCT2023 EP for WELL EP-A0.007
09/01/2023 09/30/2023 SEP2023 EP for WELL EP-A0.012
08/01/2023 08/31/2023 AUG2023 EP for WELL EP-A0.016
07/01/2023 07/31/2023 JUL2023 EP for WELL EP-A0.013
06/01/2023 06/30/2023 JUN2023 EP for WELL EP-A0.011
05/01/2023 05/31/2023 MAY2023 EP for WELL EP-A0.011
04/01/2023 04/30/2023 APR2023 EP for WELL EP-A0.011
03/01/2023 03/31/2023 MAR2023 EP for WELL EP-A0.023
02/01/2023 02/28/2023 FEB2023 EP for WELL EP-A0.010
01/01/2023 01/31/2023 JAN2023 EP for WELL EP-A0.010
12/01/2022 12/31/2022 DEC2022 EP for WELL EP-A0.010
11/01/2022 11/30/2022 NOV2022 EP for WELL EP-A0.010
10/01/2022 10/31/2022 OCT2022 EP for WELL EP-A0.009
07/01/2022 09/30/2022 3Q2022 EP for WELL EP-A0.000
09/01/2022 09/30/2022 SEP2022 EP for WELL EP-A0.004
08/01/2022 08/31/2022 AUG2022 EP for WELL EP-A0.000



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