OHA Drinking Water Services
OR41
PWS ID: 94728 ---- WALLOWA MTN VISITOR CENTER

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 WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 270 1 incomplete05/09/2025

5  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 Years01/01/200503/18/20135Sample Between June 1st and Sept 30th population and seasonal period changed system to TNC 3/18/13 AW
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20035Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELLARSENIC  9 Years01/01/201103/18/20131
EP-A  EP FOR WELLIOC  9 Years01/01/200203/18/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLNITRATE  Quarterly01/01/200212/31/20021
EP-A  EP FOR WELLNITRATE  Quarterly04/01/200911/04/20091Changed to quarterly based on result (1/20/09) - AB
EP-A  EP FOR WELLNITRATE  Yearly01/01/200303/31/20091R&C above the MCL
EP-A  EP FOR WELLNITRITE  9 Years01/01/200203/18/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLSOC  3 Years01/01/200203/18/20131
EP-A  EP FOR WELLVOLATILE ORGANICS  3 Years01/01/200203/18/20131

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