OHA Drinking Water Services
OR41
PWS ID: 94593 ---- CASCADE UNION JR/SR HIGH SD 5

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   10 07/10/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,096 1 incomplete07/16/2019
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,001 1 incomplete07/16/2019
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 270 1 incomplete04/03/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,001 1 incomplete07/16/2019
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 86 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,001 1 incomplete12/17/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,001 1 incomplete12/17/2025

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