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 2,096 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 IOC notes9 Years 01/01/2020 - 12/31/2028 1,001 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 270 1 incomplete07/24/2025
EP-A  EP FOR WELL #3 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,001 1 incomplete07/11/2018
EP-A  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 86 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #3 RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,096 1 done 02/14/2023
EP-A  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,192 1 incomplete07/17/2025
EP-A  EP FOR WELL #3 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,192 1 incomplete07/17/2025
EP-A  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,001 1 incomplete10/07/2025
EP-A  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,001 1 incomplete09/23/2025

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