OHA Drinking Water Services
OR41
PWS ID: 00639 ---- TIMBERLINE RIM WATER CO INC

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 notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete01/14/2015
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 09/03/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-A  EP FOR WELL #1 IOC notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 288 1 incomplete08/27/2025
EP-A  EP FOR WELL #1 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 104 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-A  EP FOR WELL #1 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-A  EP FOR WELL #1 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/27/2025
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-B  EP FOR WELL #2 IOC notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-B  EP FOR WELL #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 288 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,019 1 incomplete10/22/2019
EP-B  EP FOR WELL #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 104 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #2 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,210 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/27/2025
EP-B  EP FOR WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,019 1 incomplete08/27/2025

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