OHA Drinking Water Services
OR41
PWS ID: 00682 ---- PRINEVILLE, CITY OF

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 1,038 1 incomplete08/15/2017
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  6 Months 01/01/2026 - 06/30/2026 123 60 incomplete09/25/2025
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 307 2 incomplete09/17/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR STEARNS WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete04/26/2022
EP-A  EP FOR STEARNS WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,038 1 done 04/26/2022
EP-A  EP FOR STEARNS WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete05/19/2025
EP-A  EP FOR STEARNS WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,038 1 done 09/27/2022
EP-A  EP FOR STEARNS WELL PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR STEARNS WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete04/26/2022
EP-A  EP FOR STEARNS WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete04/26/2022
EP-A  EP FOR STEARNS WELL RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,133 1 incomplete04/26/2022
EP-A  EP FOR STEARNS WELL SOC notes3 Years 01/01/2026 - 12/31/2028 1,038 2 incomplete08/04/2025
EP-A  EP FOR STEARNS WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/19/2025
EP-B  EP FOR 4TH ST WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete05/19/2025
EP-B  EP FOR 4TH ST WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete
  Initial monitoring - 4 quarters only
EP-C  EP FOR LAMONTA WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/19/2025
EP-C  EP FOR LAMONTA WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/19/2025
EP-C  EP FOR LAMONTA WELL NITRATE notesYearly 01/01/2026 - 12/31/2026 307 1 incomplete05/19/2025
EP-C  EP FOR LAMONTA WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/19/2025
EP-C  EP FOR LAMONTA WELL PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete10/04/2023
  Initial monitoring - 4 quarters only
EP-C  EP FOR LAMONTA WELL RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,038 1 incomplete04/26/2022
EP-C  EP FOR LAMONTA WELL RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete04/26/2022
EP-C  EP FOR LAMONTA WELL RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,038 1 incomplete04/26/2022
EP-C  EP FOR LAMONTA WELL SOC notes3 Years 01/01/2026 - 12/31/2028 1,038 2 incomplete08/18/2025
EP-C  EP FOR LAMONTA WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete06/02/2025
EP-D  EP FOR YANCEY WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/20/2025
EP-D  EP FOR YANCEY WELLS IOC  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/20/2025
EP-D  EP FOR YANCEY WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete05/20/2025
EP-D  EP FOR YANCEY WELLS NITRITE  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/20/2025
EP-D  EP FOR YANCEY WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete10/04/2023
  Initial monitoring - 4 quarters only
EP-D  EP FOR YANCEY WELLS RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,038 1 incomplete05/24/2022
EP-D  EP FOR YANCEY WELLS RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete05/12/2022
EP-D  EP FOR YANCEY WELLS RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,038 1 incomplete05/24/2022
EP-D  EP FOR YANCEY WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 1,038 2 incomplete08/04/2025
EP-D  EP FOR YANCEY WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/20/2025
EP-F  EP FOR STADIUM WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete07/01/2025
EP-F  EP FOR STADIUM WELL PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete
  Initial monitoring - 4 quarters only
EP-G  EP FOR AIRPORT WELLS ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,133 1 done 12/05/2023
EP-G  EP FOR AIRPORT WELLS IOC notes9 Years01/01/2020 - 12/31/2028 1,038 1 done 12/05/2023
EP-G  EP FOR AIRPORT WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete05/19/2025
EP-G  EP FOR AIRPORT WELLS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,038 1 done 12/05/2023
EP-G  EP FOR AIRPORT WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete10/04/2023
  Initial monitoring - 4 quarters only
EP-G  EP FOR AIRPORT WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete12/05/2023
EP-G  EP FOR AIRPORT WELLS RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,038 1 done 12/05/2023
EP-G  EP FOR AIRPORT WELLS RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,133 1 incomplete05/24/2022
EP-G  EP FOR AIRPORT WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 1,038 2 incomplete08/18/2025
EP-G  EP FOR AIRPORT WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete05/19/2025
EP-H  EP FOR BARNEY WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete05/19/2025
EP-H  EP FOR BARNEY WELL PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete10/04/2023
  Initial monitoring - 4 quarters only
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete05/24/2022
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL IOC  9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete05/24/2022
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete06/02/2025
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL NITRITE  9 Years 01/01/2023 - 12/31/2031 2,133 1 incomplete05/24/2022
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete10/04/2023
  Initial monitoring - 4 quarters only
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete12/05/2023
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete12/05/2023
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete12/05/2023
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL SOC notes3 Years 01/01/2026 - 12/31/2028 1,038 2 incomplete08/18/2025
EP-J  EP FOR MILLICAN (AIRPORT 3) WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,038 1 incomplete06/02/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS ARSENIC  9 Years01/01/2023 - 12/31/2031 2,133 1 done 06/16/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS IOC  9 Years01/01/2023 - 12/31/2031 2,133 1 done 06/16/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete06/16/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS NITRITE  9 Years01/01/2023 - 12/31/2031 2,133 1 done 06/16/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 32 1 incomplete
  Initial monitoring - 4 quarters only
EP-K  EP FOR CROOKED RIVER PARK WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete08/26/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,133 1 incomplete08/26/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,229 1 incomplete08/26/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS SOC  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete04/09/2025
EP-K  EP FOR CROOKED RIVER PARK WELLS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 307 1 incomplete03/18/2025

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