Drinking Water Compliance OS

Tonasket, WA · Okanogan County

COLEMAN BUTTE WATER ASSN Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5313940
System type
Community Water System
Population served
250
Service connections
96
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2006 – June 30, 2006

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1999 – November 30, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1997 – June 30, 1997

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Archived
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1995 – September 30, 1995

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1995 – August 31, 1995

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1995 – July 31, 1995

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1993 – July 31, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1993 – April 30, 1993

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Barium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Cadmium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Chromium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Mercury

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

COLEMAN BUTTE WATER ASSN

Phone not on record

Tonasket, WA 98855-9433