OHA Drinking Water Services
OR41
PWS ID: 90004 ---- ASH GROVE CEMENT DURKEE PLANT

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  3 Years01/01/2028 - 12/31/2028   5 07/02/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS #1 & #2 ARSENIC notes9 Years01/01/2020 - 12/31/2028 984 1 done 05/10/2023
EP-A  EP FOR WELLS #1 & #2 IOC  9 Years01/01/2023 - 12/31/2031 2,079 1 done 05/10/2023
EP-A  EP FOR WELLS #1 & #2 NITRATE  Yearly01/01/2026 - 12/31/2026 253 1 done 01/07/2026
EP-A  EP FOR WELLS #1 & #2 NITRITE  9 Years01/01/2023 - 12/31/2031 2,079 1 done 05/10/2023
EP-A  EP FOR WELLS #1 & #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 69 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #1 & #2 SOC  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete05/10/2023
EP-A  EP FOR WELLS #1 & #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete05/10/2023

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