OHA Drinking Water Services
OR41
PWS ID: 01431 ---- RIM AT ASPEN LAKES

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 notes3 Years01/01/2026 - 12/31/2026   5incomplete07/18/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete06/06/2023
EP-A  EP for WELL IOC  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete06/06/2023
EP-A  EP for WELL NITRATE  Yearly01/01/2026 - 12/31/2026 271 1 done 01/26/2026
EP-A  EP for WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete06/06/2023
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 87 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,097 1 incomplete12/01/2020
EP-A  EP for WELL RAD - RADIUM 226/228 6 Years 01/01/2023 - 12/31/2028 1,002 1 incomplete04/06/2021
EP-A  EP for WELL RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,002 1 incomplete04/06/2021
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete06/27/2024
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,002 1 incomplete06/27/2024

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/202009/30/20205
EP-A  EP for WELLRAD - GROSS ALPHA  Quarterly04/01/202009/30/20201
EP-A  EP for WELLRAD - RADIUM 226/228  Quarterly04/01/202003/31/20211
EP-A  EP for WELLRAD - URANIUM  Quarterly04/01/202003/31/20211
EP-A  EP for WELLSOC  Yearly01/01/202012/31/20241
EP-A  EP for WELLVOLATILE ORGANICS  Yearly01/01/202012/31/20241

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