OHA Drinking Water Services
OR41
PWS ID: 00374 ---- NORTH HILL WATER 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 LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   5incomplete08/08/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #3 ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,090 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 IOC notes9 Years 01/01/2020 - 12/31/2028 995 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 264 1 incomplete07/24/2025
EP-A  EP FOR WELL #3 NITRITE notes9 Years 01/01/2020 - 12/31/2028 995 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 80 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #3 RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,090 1 done 02/14/2023
EP-A  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,186 1 incomplete07/17/2025
EP-A  EP FOR WELL #3 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,186 1 incomplete07/17/2025
EP-A  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 995 1 incomplete10/07/2025
EP-A  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 995 1 incomplete09/23/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200912/01/20091Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200812/31/20081Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
EP-A  EP FOR WELL #3ARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR WELL #3RAD - GROSS ALPHA  6 Years01/01/200812/31/20131Schedule based on 12/17/01 results.
EP-A  EP FOR WELL #3RAD - URANIUM  9 Years01/01/200812/31/20161Schedule based on 11/4/02 results.
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200212/09/20091
EP-B  EP FOR WELL #2IOC  3 Years01/01/200212/09/20091
EP-B  EP FOR WELL #2NITRATE  Quarterly01/01/200212/31/20021
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/200312/09/20091R&C below MCL for NO3 as of 5/8/03 - Sample in the 3rd Quarter.
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/200212/09/20091
EP-B  EP FOR WELL #2SOC  3 Years01/01/200212/09/20091
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/200212/09/20091

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