VANCOUVER, WA · Clark County

CLARK PUBLIC UTILITIES 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): WA5313333
System type: Community Water System
Population served: 153,526
Service connections: 40,878
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – October 14, 2010
Resolved
Monitoring, Regular
—
Benzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Toluene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Ethylbenzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Styrene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Diquat
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Diquat
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Diquat
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Diquat
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Vinyl chloride
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Diquat
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2010 – October 14, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Benzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Toluene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Styrene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Diquat	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Diquat	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Diquat	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Diquat	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	DICHLOROMETHANE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	o-Dichlorobenzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Vinyl chloride	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-Dichloropropane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Tetrachloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 2007 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

March 27, 2023State Compliance achieved1 linked violation
October 14, 2010State Compliance achieved1 linked violation
January 1, 2008State Compliance achieved10 linked violations
June 30, 2004Federal Compliance achieved2 linked violations
July 31, 1993State Violation/Reminder Notice3 linked violations
August 31, 1992State Violation/Reminder Notice2 linked violations

Contact

CLARK PUBLIC UTILITIES

Phone not on record

VANCOUVER, WA 98668