OHA Drinking Water Services
OR41
PWS ID: 94868 ---- KWS SEEDS, LLC

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 notesYearly 01/01/2026 - 12/31/2026 273 5 incomplete09/25/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete11/20/2019
EP-A  EP FOR WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete11/20/2019
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 273 1 incomplete04/10/2025
EP-A  EP FOR WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete11/20/2019
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 89 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete11/19/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete11/19/2025

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