OHA Drinking Water Services
OR41
PWS ID: 95066 ---- HERMISTON ADVENTIST SCHOOL

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   5incomplete09/06/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,097 1 incomplete05/10/2021
EP-A  EP for WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,002 1 done 05/10/2021
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 271 1 incomplete10/15/2025
EP-A  EP for WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,002 1 done 05/10/2021
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 87 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete10/29/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete03/15/2023

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20131

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