OHA Drinking Water Services
OR41
PWS ID: 00583 ---- HIGH PRAIRIE VILLA WTR SYSTEM

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   5incomplete09/22/2022
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,035 1 incomplete08/22/2017
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,035 1 incomplete08/22/2017
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 304 1 incomplete06/23/2025
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,035 1 incomplete08/22/2017
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 120 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA notes6 Years 01/01/2026 - 12/31/2031 2,130 1 incomplete07/31/2025
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,226 1 incomplete07/31/2025
EP-A  EP FOR WELLS RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,130 1 incomplete12/21/2022
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,035 1 incomplete06/23/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,035 1 incomplete06/23/2025

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