OHA Drinking Water Services
OR41
PWS ID: 94418 ---- BPA-CELILO/BIG EDDY

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 06/06/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1 06/06/2024
  Seasonal sampling period:   06/01   thru   06/30
EP-B  EP for WELL #2 (CELILO) ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,007 1 incomplete08/14/2025
EP-B  EP for WELL #2 (CELILO) IOC notes9 Years 01/01/2020 - 12/31/2028 1,007 1 incomplete08/05/2019
EP-B  EP for WELL #2 (CELILO) NITRATE  Yearly 01/01/2026 - 12/31/2026 276 1 incomplete08/28/2025
EP-B  EP for WELL #2 (CELILO) NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,007 1 incomplete09/24/2019
EP-B  EP for WELL #2 (CELILO) PFAS notes6 Months 01/01/2026 - 06/30/2026 92 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP for WELL #2 (CELILO) SOC  3 Years 01/01/2026 - 12/31/2028 1,007 1 incomplete08/14/2025
EP-B  EP for WELL #2 (CELILO) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,007 1 incomplete08/14/2025

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