Napavine, WA · Lewis County

GUNDERSON WATER WORKS 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): WA5330235
System type: Community Water System
Population served: 53
Service connections: 24
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Toluene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Benzene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Toluene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Styrene
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2008 – August 31, 2008
Archived
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 1995 – November 30, 1995
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1995 – September 30, 1995
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
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)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2014 – October 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Styrene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Benzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Toluene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Styrene	—	Resolved
August 1, 2008 – August 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
November 1, 1995 – November 30, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1995 – September 30, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1992 – August 31, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived

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

Enforcement actions

November 30, 2014State Compliance achieved1 linked violation
March 28, 2012State Compliance achieved1 linked violation
March 24, 2011State Compliance achieved40 linked violations
July 2, 2003Federal no longer subject to Rule74 linked violations
September 22, 1993Federal issued Formal Notice of Violation3 linked violations
August 31, 1992State Violation/Reminder Notice1 linked violation

Contact

GUNDERSON WATER WORKS

Phone not on record

Napavine, WA 98565