OHA Drinking Water Services
OR41
PWS ID: 00261 ---- DUFUR, CITY OF

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 ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete12/03/2019
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   10incomplete09/19/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 300 2 incomplete09/16/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELL #1 & 2 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete04/12/2018
EP-A  EP FOR WELL #1 & 2 IOC notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete08/01/2012
EP-A  EP FOR WELL #1 & 2 NITRATE  Yearly 01/01/2026 - 12/31/2026 300 1 incomplete10/28/2025
EP-A  EP FOR WELL #1 & 2 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,031 1 incomplete08/01/2012
EP-A  EP FOR WELL #1 & 2 PFAS notes6 Months 01/01/2026 - 06/30/2026 116 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 & 2 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,222 1 incomplete09/28/2016
EP-A  EP FOR WELL #1 & 2 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,222 1 incomplete09/28/2016
EP-A  EP FOR WELL #1 & 2 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,222 1 incomplete10/28/2025
EP-A  EP FOR WELL #1 & 2 SOC  3 Years 01/01/2026 - 12/31/2028 1,031 1 incomplete10/28/2025
EP-A  EP FOR WELL #1 & 2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,031 1 incomplete10/28/2025

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More information for this water system: SDWIS ID 3285

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