OHA Drinking Water Services
OR41
PWS ID: 01334 ---- RIMROCK WEST IMPRVMNT DIST

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 LEAD & COPPER  3 Years01/01/2027 - 12/31/2027   5 09/04/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELL #4 ARSENIC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-A  EP FOR WELL #4 IOC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-A  EP FOR WELL #4 NITRATE  Yearly 01/01/2025 - 12/31/2025 334 1 incomplete09/30/2024
EP-A  EP FOR WELL #4 NITRITE  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-A  EP FOR WELL #4 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete02/16/2021
EP-A  EP FOR WELL #4 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete02/16/2021
EP-A  EP FOR WELL #4 RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,430 1 incomplete05/25/2021
EP-A  EP FOR WELL #4 SOC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-A  EP FOR WELL #4 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-B  EP FOR WELL #3 ARSENIC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-B  EP FOR WELL #3 IOC  9 Years01/01/2020 - 12/31/2028 1,430 1 done 10/25/2022
EP-B  EP FOR WELL #3 NITRATE  Yearly 01/01/2025 - 12/31/2025 334 1 incomplete09/30/2024
EP-B  EP FOR WELL #3 NITRITE  9 Years01/01/2020 - 12/31/2028 1,430 1 done 10/25/2022
EP-B  EP FOR WELL #3 RAD - GROSS ALPHA  6 Years 01/01/2020 - 12/31/2025 334 1 incomplete06/26/2018
EP-B  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,430 1 incomplete06/26/2018
EP-B  EP FOR WELL #3 RAD - URANIUM  6 Years01/01/2020 - 12/31/2025 334 1 done 09/30/2024
EP-B  EP FOR WELL #3 SOC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022
EP-B  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete10/25/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201012/31/20195Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/202006/30/202110
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20095Sample Between June 1st and Sept 30th
EP-A  EP FOR WELL #4ARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELL #4IOC  9 Years01/01/200212/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #4NITRATE  Quarterly01/01/200203/31/20031
EP-A  EP FOR WELL #4NITRATE  Yearly01/01/200412/31/20191R&C Below MCL for NO3 - Sample in the 1st Quarter
EP-A  EP FOR WELL #4NITRITE  9 Years01/01/200212/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #4RAD - GROSS ALPHA  9 Years01/01/200812/31/20101
EP-A  EP FOR WELL #4RAD - GROSS ALPHA  Quarterly07/01/202012/31/20201
EP-A  EP FOR WELL #4RAD - RADIUM 226/228  Quarterly01/01/200812/31/20101
EP-A  EP FOR WELL #4RAD - RADIUM 226/228  Quarterly07/01/202012/31/20201
EP-A  EP FOR WELL #4RAD - URANIUM  Quarterly01/01/200812/31/20191
EP-A  EP FOR WELL #4RAD - URANIUM  Quarterly07/01/202006/30/20211
EP-A  EP FOR WELL #4SOC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELL #4VOLATILE ORGANICS  3 Years01/01/200212/31/20101
EP-B  EP FOR WELL #3ARSENIC  3 Years01/01/200201/04/20021
EP-B  EP FOR WELL #3IOC  3 Years01/01/200201/04/20021
EP-B  EP FOR WELL #3NITRATE  Yearly01/01/200201/04/20021
EP-B  EP FOR WELL #3NITRITE  3 Years01/01/200201/04/20021
EP-B  EP FOR WELL #3RAD - GROSS ALPHA  Quarterly01/01/201003/31/20121
EP-B  EP FOR WELL #3RAD - RADIUM 226/228  6 Years01/01/201412/31/20191
EP-B  EP FOR WELL #3RAD - RADIUM 226/228  Quarterly01/01/201003/31/20121
EP-B  EP FOR WELL #3RAD - URANIUM  Quarterly01/01/201003/31/20121
EP-B  EP FOR WELL #3SOC  3 Years01/01/200201/04/20021
EP-B  EP FOR WELL #3VOLATILE ORGANICS  3 Years01/01/200201/04/20021

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