OHA Drinking Water Services
OR41
PWS ID: 00914 ---- UMATILLA, CITY OF

See also: Coliform Schedules  ::  LT2 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 Years01/01/2020 - 12/31/2028 987 1 done 08/19/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   20 07/31/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 256 1 incomplete09/10/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR GOLF COURSE AND PORT WELLS ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete08/11/2020
EP-A  EP FOR GOLF COURSE AND PORT WELLS IOC notes9 Years01/01/2020 - 12/31/2028 987 1 done 08/11/2020
EP-A  EP FOR GOLF COURSE AND PORT WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 256 1 incomplete04/29/2025
EP-A  EP FOR GOLF COURSE AND PORT WELLS NITRITE notes9 Years01/01/2020 - 12/31/2028 987 1 done 05/19/2021
EP-A  EP FOR GOLF COURSE AND PORT WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 72 1 incomplete07/17/2023
  Initial monitoring - 2 samples only
EP-A  EP FOR GOLF COURSE AND PORT WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-A  EP FOR GOLF COURSE AND PORT WELLS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-A  EP FOR GOLF COURSE AND PORT WELLS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-A  EP FOR GOLF COURSE AND PORT WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 987 2 incomplete11/13/2025
EP-A  EP FOR GOLF COURSE AND PORT WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete07/01/2025
EP-B  EP FOR INTERTIE WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete08/11/2020
EP-B  EP FOR INTERTIE WELL IOC notes9 Years01/01/2020 - 12/31/2028 987 1 done 08/11/2020
EP-B  EP FOR INTERTIE WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 256 1 incomplete06/03/2025
EP-B  EP FOR INTERTIE WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 987 1 done 05/19/2021
EP-B  EP FOR INTERTIE WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-B  EP FOR INTERTIE WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-B  EP FOR INTERTIE WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-B  EP FOR INTERTIE WELL SOC notes3 Years 01/01/2026 - 12/31/2028 987 2 incomplete11/13/2025
EP-B  EP FOR INTERTIE WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete06/24/2025
EP-C  EP FOR MCFARLAND WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete08/11/2020
EP-C  EP FOR MCFARLAND WELL IOC notes9 Years01/01/2020 - 12/31/2028 987 1 done 08/11/2020
EP-C  EP FOR MCFARLAND WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 256 1 incomplete04/29/2025
EP-C  EP FOR MCFARLAND WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 987 1 done 05/19/2021
EP-C  EP FOR MCFARLAND WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-C  EP FOR MCFARLAND WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-C  EP FOR MCFARLAND WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,178 1 incomplete12/10/2020
EP-C  EP FOR MCFARLAND WELL SOC notes3 Years 01/01/2026 - 12/31/2028 987 2 incomplete11/14/2025
EP-C  EP FOR MCFARLAND WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete06/24/2025

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