OHA Drinking Water Services
OR41
PWS ID: 91894 ---- WILLAMETTANS, THE

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 163 5 incomplete11/11/2025
EP-A  EP FOR WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,078 1 incomplete10/16/2023
EP-A  EP FOR WELLS IOC  3 Years 01/01/2026 - 12/31/2028 1,078 1 incomplete10/16/2023
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 347 1 incomplete10/14/2025
EP-A  EP FOR WELLS NITRITE  3 Years 01/01/2026 - 12/31/2028 1,078 1 incomplete10/16/2023
EP-A  EP FOR WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete11/07/2024
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete11/07/2024
EP-A  EP FOR WELLS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete11/07/2024
EP-A  EP FOR WELLS SOC  Yearly 01/01/2026 - 12/31/2026 347 1 incomplete10/14/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 347 1 incomplete10/14/2025

5  secs
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More information for this water system: SDWIS ID 1079
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