OHA Drinking Water Services
OR41
PWS ID: 94361 ---- GRAY & COMPANY

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
EP-A  EP FOR EAST WELL NITRATE  Yearly01/01/2026 - 12/31/2026 243 1 done 02/11/2026

4  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200512/31/20255Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
EP-A  EP FOR EAST WELLARSENIC  3 Years01/01/200203/31/20081
EP-A  EP FOR EAST WELLARSENIC  Quarterly04/01/200812/31/20241Schedule Reflects Increased Monitoring
EP-A  EP FOR EAST WELLIOC  3 Years01/01/200212/31/20161
EP-A  EP FOR EAST WELLIOC  9 Years01/01/201712/31/20251Schedule reflects monitoring reduction granted.
EP-A  EP FOR EAST WELLNITRITE  3 Years01/01/200212/31/20161
EP-A  EP FOR EAST WELLNITRITE  9 Years01/01/201712/31/20251Schedule reflects monitoring reduction granted.
EP-A  EP FOR EAST WELLSOC  3 Years01/01/200212/31/20251
EP-A  EP FOR EAST WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20251
POU-2  POU FOR ARSENIC REMOVALARSENIC  Yearly01/01/202512/31/20251Collect one sample from each POU device at least every other year.

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