OHA Drinking Water Services
OR41
PWS ID: 95342 ---- A RIVER RUNS THROUGH

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   5incomplete09/24/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 09/30/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete05/30/2025
EP-A  EP FOR WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete05/30/2025
EP-A  EP FOR WELL NITRATE  Quarterly01/01/2026 - 03/31/2026 11 1 done 03/03/2026
EP-A  EP FOR WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete05/30/2025
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 102 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,017 1 incomplete11/11/2019
EP-A  EP FOR WELL RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,112 1 incomplete05/30/2025
EP-A  EP FOR WELL RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,112 1 incomplete05/30/2025
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete05/30/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete05/30/2025

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