OHA Drinking Water Services
OR41
PWS ID: 95579 ---- NW WINE 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
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 06/13/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,199 1 incomplete11/01/2023
EP-A  EP FOR WELLS IOC  9 Years 01/01/2026 - 12/31/2034 3,199 1 incomplete11/01/2023
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 277 1 incomplete11/12/2025
EP-A  EP FOR WELLS NITRITE  9 Years 01/01/2026 - 12/31/2034 3,199 1 incomplete11/01/2023
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 93 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete11/12/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete11/12/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/202012/31/20225Sample between June 1 and Sept 30
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/202306/30/20255
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201812/31/20195
EP-A  EP FOR WELLSARSENIC  3 Years01/01/201712/31/20251
EP-A  EP FOR WELLSIOC  3 Years01/01/201712/31/20251
EP-A  EP FOR WELLSNITRITE  3 Years01/01/201712/31/20251
EP-A  EP FOR WELLSSOC  Yearly01/01/201812/31/20241
EP-A  EP FOR WELLSVOLATILE ORGANICS  Yearly01/01/201812/31/20241

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