OHA Drinking Water Services
OR41
PWS ID: 93741 ---- TEEN CHALLENGE

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 ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 986 1 incomplete11/05/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 08/07/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete08/20/2025
EP-A  EP for WELL IOC notes9 Years 01/01/2023 - 12/31/2031 2,081 1 incomplete05/03/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 255 1 incomplete08/20/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2023 - 12/31/2031 2,081 1 incomplete05/03/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 71 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete11/18/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete11/18/2025

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