OHA Drinking Water Services
OR41
PWS ID: 01305 ---- AVION WC - WHYCHUS CREEK

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   5incomplete09/27/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS (#1 - #5) ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,011 1 incomplete09/11/2025
EP-A  EP FOR WELLS (#1 - #5) IOC notes9 Years01/01/2020 - 12/31/2028 1,011 1 done 06/29/2022
EP-A  EP FOR WELLS (#1 - #5) NITRATE notesYearly 01/01/2026 - 12/31/2026 280 1 incomplete09/11/2025
EP-A  EP FOR WELLS (#1 - #5) NITRITE notes9 Years01/01/2020 - 12/31/2028 1,011 1 done 09/11/2025
EP-A  EP FOR WELLS (#1 - #5) PFAS notes6 Months 01/01/2026 - 06/30/2026 96 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS (#1 - #5) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,202 1 incomplete06/29/2022
EP-A  EP FOR WELLS (#1 - #5) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,202 1 incomplete06/29/2022
EP-A  EP FOR WELLS (#1 - #5) RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,202 1 incomplete06/29/2022
EP-A  EP FOR WELLS (#1 - #5) SOC  3 Years 01/01/2026 - 12/31/2028 1,011 1 incomplete09/11/2025
EP-A  EP FOR WELLS (#1 - #5) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,011 1 incomplete09/11/2025

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