OHA Drinking Water Services
OR41
PWS ID: 90603 ---- DUFUR SCHOOL DIST #29

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   5 08/03/2023
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/02/2020
EP-A  EP for WELL IOC  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/02/2020
EP-A  EP for WELL NITRATE  Yearly01/01/2024 - 12/31/2024 5 1 done 10/16/2024
EP-A  EP for WELL NITRITE  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/02/2020
EP-A  EP for WELL SOC  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/02/2020
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/02/2020

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201608/01/20165
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201712/31/20185Collect samples between June 1 and September 30.
EP-A  EP for WELLNITRATE  Yearly01/01/200209/01/20021
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200209/01/20021

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More information for this water system: SDWIS ID 719
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