OHA Drinking Water Services
OR41
PWS ID: 01508 ---- HIDDEN MEADOWS SUBDIVISION

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 08/26/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,228 1 incomplete07/07/2025
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2026 - 12/31/2034 3,228 1 incomplete07/07/2025
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 306 1 incomplete07/07/2025
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,228 1 incomplete07/07/2025
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 122 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,037 1 incomplete08/08/2022
EP-A  EP FOR WELLS RAD - RADIUM 226/228 6 Years 01/01/2023 - 12/31/2028 1,037 1 incomplete11/07/2022
EP-A  EP FOR WELLS RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,037 1 incomplete08/08/2022
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,037 1 incomplete07/07/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,037 1 incomplete07/07/2025

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/201112/31/20131Sample between June 1st and September 30th
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200712/31/20101Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200912/31/20095
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/200706/30/20085
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200512/31/20161
EP-A  EP FOR WELLSIOC  3 Years01/01/200512/31/20161
EP-A  EP FOR WELLSNITRITE  3 Years01/01/200512/31/20161
EP-A  EP FOR WELLSSOC  3 Years04/01/200812/31/20101
EP-A  EP FOR WELLSSOC  Quarterly04/01/200703/31/20081
EP-A  EP FOR WELLSVOLATILE ORGANICS  Quarterly04/01/200712/31/20071
EP-A  EP FOR WELLSVOLATILE ORGANICS  Yearly01/01/200812/31/20101

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