OHA Drinking Water Services
OR41
PWS ID: 95580 ---- PARTNERS IN UNITY

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 LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 09/13/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete10/15/2025
EP-A  EP FOR WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete10/15/2025
EP-A  EP FOR WELL NITRATE  Yearly01/01/2026 - 12/31/2026 288 1 done 01/29/2026
EP-A  EP FOR WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete10/15/2025
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 104 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete10/15/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete10/15/2025

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