OHA Drinking Water Services
OR41
PWS ID: 00831 ---- SPRAGUE RIVER WATER ASSN

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 07/23/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 272 1 incomplete07/23/2025
  Seasonal sampling period:   07/01   thru   07/31
EP-A  EP for WELL ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,098 1 done 08/12/2025
EP-A  EP for WELL IOC  9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete08/12/2025
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 272 1 incomplete08/12/2025
EP-A  EP for WELL NITRITE  9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete08/12/2025
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 88 1 incomplete09/25/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete08/27/2025
EP-A  EP for WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete08/27/2025
EP-A  EP for WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete08/27/2025
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,003 1 incomplete08/12/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,003 1 incomplete08/12/2025

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