OHA Drinking Water Services
OR41
PWS ID: 00086 ---- BLACK BUTTE RANCH CORPORATION

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 1,023 1 incomplete06/06/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 06/10/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-A  EP FOR WELL #1 IOC notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/14/2025
EP-A  EP FOR WELL #1 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete02/01/2022
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-A  EP FOR WELL #1 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-A  EP FOR WELL #1 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete06/06/2018
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/19/2023
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-B  EP FOR WELLS #2 & #5 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-B  EP FOR WELLS #2 & #5 IOC notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-B  EP FOR WELLS #2 & #5 NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/14/2025
EP-B  EP FOR WELLS #2 & #5 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-B  EP FOR WELLS #2 & #5 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELLS #2 & #5 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-B  EP FOR WELLS #2 & #5 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-B  EP FOR WELLS #2 & #5 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete06/06/2018
EP-B  EP FOR WELLS #2 & #5 SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/19/2023
EP-B  EP FOR WELLS #2 & #5 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-C  EP FOR WELL #3 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-C  EP FOR WELL #3 IOC  9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-C  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/14/2025
EP-C  EP FOR WELL #3 NITRITE  9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-C  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-C  EP FOR WELL #3 RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/15/2020
EP-C  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/15/2020
EP-C  EP FOR WELL #3 RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/15/2020
EP-C  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/19/2023
EP-C  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-D  EP FOR WELL #4 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024
EP-D  EP FOR WELL #4 IOC notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-D  EP FOR WELL #4 NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/14/2025
EP-D  EP FOR WELL #4 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,023 1 done 06/28/2021
EP-D  EP FOR WELL #4 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete02/01/2022
  Initial monitoring - 2 samples only
EP-D  EP FOR WELL #4 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-D  EP FOR WELL #4 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete06/05/2019
EP-D  EP FOR WELL #4 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete06/06/2018
EP-D  EP FOR WELL #4 SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/19/2023
EP-D  EP FOR WELL #4 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete06/17/2024

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