OHA Drinking Water Services
OR41
PWS ID: 00998 ---- DEXTER OAKS CO-OP

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   5incomplete08/23/2022
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS #2 & #3 ARSENIC  Quarterly 04/01/2026 - 06/30/2026 83 1 incomplete12/19/2025
EP-A  EP FOR WELLS #2 & #3 IOC notes9 Years 01/01/2020 - 12/31/2028 998 1 incomplete04/29/2019
EP-A  EP FOR WELLS #2 & #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 267 1 incomplete04/21/2025
EP-A  EP FOR WELLS #2 & #3 NITRITE notes9 Years 01/01/2020 - 12/31/2028 998 1 incomplete04/29/2019
EP-A  EP FOR WELLS #2 & #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 83 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #2 & #3 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,189 1 incomplete02/05/2024
EP-A  EP FOR WELLS #2 & #3 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,189 1 incomplete02/05/2024
EP-A  EP FOR WELLS #2 & #3 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,189 1 incomplete02/05/2024
EP-A  EP FOR WELLS #2 & #3 SOC  3 Years 01/01/2026 - 12/31/2028 998 1 incomplete04/21/2025
EP-A  EP FOR WELLS #2 & #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 998 1 incomplete04/21/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
EP-A  EP FOR WELLS #2 & #3ARSENIC  3 Years01/01/200209/30/20081
EP-A  EP FOR WELLS #2 & #3ARSENIC  Quarterly10/01/200812/31/20101
EP-A  EP FOR WELLS #2 & #3ARSENIC  Yearly01/01/201112/31/20171

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