OHA Drinking Water Services
OR41
PWS ID: 00140 ---- BARLOW TRAIL ESTATES

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   5incomplete06/13/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,017 1 done 08/04/2025
EP-A  EP FOR WELLS IOC notes9 Years01/01/2020 - 12/31/2028 1,017 1 done 08/04/2025
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 286 1 incomplete08/04/2025
EP-A  EP FOR WELLS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,017 1 done 08/04/2025
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 102 1 incomplete11/18/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,208 1 incomplete05/01/2025
EP-A  EP FOR WELLS RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,208 1 incomplete05/01/2025
EP-A  EP FOR WELLS RAD - URANIUM notes9 Years01/01/2020 - 12/31/2028 1,017 1 done 05/01/2025
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete01/05/2023
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,017 1 incomplete01/05/2023

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 Years01/01/200512/31/20175Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201812/31/20205extension granted due to wildfire
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELLSRAD - URANIUM  6 Years01/01/200812/31/20101
EP-B  EP FOR WELL #1 (CLACK06096)RAD - GROSS ALPHA  9 Years01/01/200812/31/20071Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #1 (CLACK06096)RAD - RADIUM 226/228  9 Years01/01/200812/31/20071Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #1 (CLACK06096)RAD - URANIUM  9 Years01/01/200812/31/20071Schedule Reflects Monitoring Reduction Granted

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