OHA Drinking Water Services
OR41
PWS ID: 00681 ---- OCHOCO WEST WTR & SAN AUTHORITY

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 ASBESTOS, DIST  9 Years01/01/2020 - 12/31/2028 1,019 1 done 10/15/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 08/12/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 08/11/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR SPRINGS AND WELL ARSENIC notesYearly 01/01/2026 - 12/31/2026 288 2 incomplete10/20/2025
EP-A  EP FOR SPRINGS AND WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,019 1 done 09/04/2024
EP-A  EP FOR SPRINGS AND WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 288 1 incomplete05/05/2025
EP-A  EP FOR SPRINGS AND WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,019 1 done 09/04/2024
EP-A  EP FOR SPRINGS AND WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 104 1 incomplete10/16/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR SPRINGS AND WELL RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete09/04/2024
EP-A  EP FOR SPRINGS AND WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete09/04/2024

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