OLYMPIA, WA · Thurston County

OLYMPIA CITY OF 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): WA5363450
System type: Community Water System
Population served: 126,966
Service connections: 38,115
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – August 19, 2025
Resolved
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
October 1, 2014 – November 19, 2014
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Benzene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Toluene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Styrene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2004 – August 31, 2004
Archived
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
July 1, 2025 – August 19, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2014 – November 19, 2014	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Benzene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Toluene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	Styrene	—	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
August 1, 2004 – August 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
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

August 19, 2025State Compliance achieved1 linked violation
November 19, 2014State Compliance achieved1 linked violation
November 19, 2014State Administrative/Compliance Order without penalty issued1 linked violation
January 1, 2008State Compliance achieved2 linked violations

Contact

OLYMPIA CITY OF

Phone not on record

OLYMPIA, WA 98507-1967