OHA Drinking Water Services
OR41
PWS ID: 05290 ---- MT SHADOW MHP

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  6 Months 01/01/2026 - 06/30/2026 94 5 incomplete12/13/2025
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete10/14/2025
EP-A  EP for WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete10/14/2025
EP-A  EP for WELL NITRATE  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete10/14/2025
EP-A  EP for WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete10/14/2025
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 94 1 incomplete11/20/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  Quarterly 01/01/2026 - 03/31/2026 3 1 incomplete10/14/2025
EP-A  EP for WELL RAD - RADIUM 226/228 Quarterly 01/01/2026 - 03/31/2026 3 1 incomplete10/14/2025
EP-A  EP for WELL RAD - URANIUM  Quarterly 01/01/2026 - 03/31/2026 3 1 incomplete10/14/2025
EP-A  EP for WELL SOC  Yearly 01/01/2026 - 12/31/2026 278 1 incomplete11/18/2025
EP-A  EP for WELL VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 278 1 incomplete10/14/2025

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