OHA Drinking Water Services
OR41
PWS ID: 01148 ---- COLUMBIA ACRES WATER ASSOC

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 Years01/01/2028 - 12/31/2028   5 03/25/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,116 1 incomplete03/17/2015
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,021 1 incomplete03/17/2015
EP-A  EP FOR WELLS NITRATE notesQuarterly 01/01/2026 - 03/31/2026 15 1 incomplete11/20/2025
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,021 1 incomplete03/17/2015
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 106 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,212 1 incomplete06/17/2022
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,212 1 incomplete06/17/2022
EP-A  EP FOR WELLS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,212 1 incomplete06/17/2022
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,021 1 incomplete04/09/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,021 1 incomplete04/09/2025

7  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 Years01/01/200812/31/20225
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200206/30/200210
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/202306/30/202510
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200312/31/20055Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR WELLSNITRATE  Yearly01/01/200212/31/20181

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More information for this water system: SDWIS ID 3556
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