Drinking Water Compliance OS

Cathlamet, WA · Wahkiakum County

CATHLAMET WATER DEPT 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)
WA5311850
System type
Community Water System
Population served
1,636
Service connections
739
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    September 1, 2025 – September 30, 2025

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2025 – September 25, 2025

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2024 – February 19, 2025

    Resolved

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    July 1, 2022 – July 31, 2022

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1995 – March 31, 1995

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    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

  • 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

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

Enforcement actions

Contact

CATHLAMET WATER DEPT

Phone not on record

Cathlamet, WA 98612