OHA Drinking Water Services
OR41
PWS ID: 94284 ---- IDAHO POWER-OXBOW PLANT

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 Years01/01/2028 - 12/31/2028   5 09/10/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete09/13/2023
  Seasonal sampling period:   09/01   thru   09/30
EP-B  EP FOR HATCHERY WELL ARSENIC notes9 Years 01/01/2020 - 12/31/2028 994 1 incomplete08/07/2019
EP-B  EP FOR HATCHERY WELL IOC notes9 Years 01/01/2020 - 12/31/2028 994 1 incomplete08/07/2019
EP-B  EP FOR HATCHERY WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 263 1 incomplete08/20/2025
EP-B  EP FOR HATCHERY WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 994 1 incomplete08/07/2019
EP-B  EP FOR HATCHERY WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 79 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR HATCHERY WELL SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,089 1 incomplete11/30/2022
EP-B  EP FOR HATCHERY WELL SOCR  3 Years 01/01/2026 - 12/31/2028 994 1 incomplete09/03/2025
EP-B  EP FOR HATCHERY WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 994 1 incomplete11/30/2022

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/02/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200501/01/20051Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR HATCHERY WELLARSENIC  3 Years01/01/200212/31/20101
EP-B  EP FOR HATCHERY WELLIOC  3 Years01/01/200212/31/20101
EP-B  EP FOR HATCHERY WELLNITRITE  3 Years01/01/200212/31/20101
EP-B  EP FOR HATCHERY WELLSOC  3 Years01/01/200212/31/20041

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