Drinking Water Compliance OS

Napavine, WA · Cowlitz County

CARROLLS 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)
WA5311300
System type
Community Water System
Population served
449
Service connections
172
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2021 – December 31, 2021

    Resolved

  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    February 1, 2019 – February 28, 2019

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2011 – March 31, 2011

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2009 – March 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2009 – March 31, 2009

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2006 – December 31, 2006

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2005 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    August 1, 1997 – August 31, 1997

    Archived

  • Monitoring, Regular

    —

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Barium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Selenium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Cadmium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Mercury

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Chromium

    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

CARROLLS WATER ASSN

Phone not on record

Napavine, WA 98565