OHA Drinking Water Services
OR41
PWS ID: 93909 ---- MOLALLA RIVER ACADEMY

See also: Coliform Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   5incomplete08/08/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete08/22/2023
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,126 1 incomplete12/03/2019
EP-A  EP FOR WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete11/19/2019
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 300 1 incomplete11/25/2025
EP-A  EP FOR WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete11/19/2019
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 116 1 incomplete12/01/2021
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,031 1 incomplete03/25/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,031 1 incomplete03/25/2025

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