OHA Drinking Water Services
OR41
PWS ID: 05940 ---- HILAND WC - WILDERNESS

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  6 Months 01/01/2026 - 06/30/2026 109 5 incomplete12/31/2025
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 293 2 incomplete06/03/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete04/05/2022
EP-A  EP for WELL IOC notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete04/05/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 293 1 incomplete03/18/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete04/05/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 109 1 incomplete11/14/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,119 1 incomplete01/08/2024
EP-A  EP for WELL RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete01/08/2024
EP-A  EP for WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete01/08/2024
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete01/08/2024
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete01/08/2024

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/201712/31/20225Collect samples between June 1 and September 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/200812/31/20125
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201312/31/20165Collect samples between Jun 1 and Sept 30
EP-A  EP for WELLARSENIC  3 Years01/01/200812/31/20161
EP-A  EP for WELLIOC  3 Years01/01/200812/31/20161
EP-A  EP for WELLNITRITE  3 Years01/01/200812/31/20161
EP-A  EP for WELLRAD - GROSS ALPHA  9 Years01/01/200812/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLRAD - URANIUM  6 Years01/01/200812/31/20131

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