OHA Drinking Water Services
OR41
PWS ID: 94453 ---- ASH GROVE CEMENT WEST-RVRGATE

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 07/29/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 07/29/2025
  Seasonal sampling period:   07/01   thru   07/31
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete07/29/2025
EP-A  EP for WELL IOC notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete07/29/2025
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 288 1 incomplete07/29/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete07/29/2025
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 104 1 incomplete01/26/2022
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/06/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/06/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/201112/31/20131Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/201106/30/20125
EP-A  EP for WELLARSENIC  3 Years01/01/201112/31/20161
EP-A  EP for WELLIOC  3 Years01/01/201112/31/20161
EP-A  EP for WELLNITRITE  3 Years01/01/201112/31/20161
EP-A  EP for WELLSOC  Yearly01/01/201112/31/20191
EP-A  EP for WELLVOLATILE ORGANICS  Yearly01/01/201112/31/20191

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