OHA Drinking Water Services
OR41
PWS ID: 05258 ---- SUNSET HILLS DOMESTIC WATER ASSOCIATION

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   5incomplete08/07/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete04/12/2022
EP-A  EP FOR WELL #1 IOC notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete04/12/2022
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete11/18/2025
EP-A  EP FOR WELL #1 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete04/12/2022
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 100 1 incomplete10/16/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 RAD - GROSS ALPHA  6 Years01/01/2023 - 12/31/2028 1,015 1 done 04/01/2024
EP-A  EP FOR WELL #1 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete04/12/2022
EP-A  EP FOR WELL #1 RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,110 1 incomplete04/01/2024
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete11/18/2025
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete11/18/2025

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