OHA Drinking Water Services
OR41
PWS ID: 90588 ---- HTPS WATER SYSTEM

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 Years01/01/2027 - 12/31/2027   5 06/10/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,018 1 incomplete06/10/2024
EP-A  EP for WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,018 1 incomplete06/10/2024
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 287 1 incomplete04/07/2025
EP-A  EP for WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,018 1 incomplete06/10/2024
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 103 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,018 1 incomplete06/10/2024
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,018 1 incomplete06/10/2024

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200204/28/20105Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200204/28/20101
EP-A  EP for WELLIOC  9 Years01/01/200204/28/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLNITRATE  Yearly01/01/200212/31/20141
EP-A  EP for WELLNITRITE  9 Years01/01/200204/28/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLSOC  3 Years01/01/200204/28/20101
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200204/28/20101

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