OHA Drinking Water Services
OR41
PWS ID: 95565 ---- AMAZON DATA HERMISTON PDX080

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 notesYearly 01/01/2026 - 12/31/2026 274 5 incomplete09/18/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 ARSENIC  9 Years01/01/2032 -   1 future 08/09/2023
EP-A  EP FOR WELL #1 IOC  9 Years01/01/2032 -   1 future 08/09/2023
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 274 1 incomplete08/13/2025
EP-A  EP FOR WELL #1 NITRITE  9 Years01/01/2032 -   1 future 08/09/2023
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 90 1 incomplete01/24/2022
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete08/09/2023
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete08/09/2023

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