OHA Drinking Water Services
OR41
PWS ID: 91660 ---- CASCADES ELEMENTARY

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  6 Months 01/01/2026 - 06/30/2026 55 10 incomplete08/15/2023
EP-A  EP for WELL ARSENIC notes9 Years01/01/2020 - 12/31/2028 970 1 done 12/13/2022
EP-A  EP for WELL IOC notes9 Years01/01/2020 - 12/31/2028 970 1 done 12/13/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete04/09/2025
EP-A  EP for WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 970 1 done 12/13/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years01/01/2026 - 12/31/2028 970 1 done 03/10/2026
EP-A  EP for WELL VOLATILE ORGANICS  3 Years01/01/2026 - 12/31/2028 970 1 done 03/10/2026

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200206/30/20095Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201512/31/20255sample between June 1 and Sept. 30
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201012/31/201110
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/200912/31/20095
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201212/31/20145sample between June 1 and Sept. 30
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20101

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