OHA Drinking Water Services
OR41
PWS ID: 01429 ---- LAKE CREEK RANCH MHC

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 Years01/01/2027 - 12/31/2027   5 06/21/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 272 1 incomplete04/23/2025
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 88 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #2 ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,003 1 incomplete10/09/2019
EP-B  EP FOR WELL #2 IOC  9 Years 01/01/2020 - 12/31/2028 1,003 1 incomplete10/09/2019
EP-B  EP FOR WELL #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 272 1 incomplete04/23/2025
EP-B  EP FOR WELL #2 NITRITE  9 Years 01/01/2020 - 12/31/2028 1,003 1 incomplete10/09/2019
EP-B  EP FOR WELL #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 88 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #2 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,194 1 incomplete03/06/2023
EP-B  EP FOR WELL #2 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,003 1 incomplete10/09/2019
EP-B  EP FOR WELL #2 RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,003 1 done 03/06/2023
EP-B  EP FOR WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,003 1 incomplete03/06/2023
EP-B  EP FOR WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,003 1 incomplete04/23/2025
EP-C  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 272 1 incomplete04/23/2025
EP-C  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 88 1 incomplete01/25/2022
  Initial monitoring - 2 samples only

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