OHA Drinking Water Services
OR41
PWS ID: 01169 ---- BARNES BUTTE HOA

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 07/31/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,111 1 done 03/25/2025
EP-A  EP FOR WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,016 1 done 02/07/2022
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 285 1 incomplete01/07/2025
EP-A  EP FOR WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,016 1 done 02/07/2022
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 101 1 incomplete10/16/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,207 1 incomplete03/25/2025
EP-A  EP FOR WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,207 1 incomplete03/25/2025
EP-A  EP FOR WELL RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,111 1 incomplete03/25/2025
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,016 1 incomplete03/25/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,016 1 incomplete03/25/2025

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