Redmond, WA · King County

AMES LAKE WATER ASSOC INC 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): WA5302055
System type: Community Water System
Population served: 3,224
Service connections: 1,160
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – June 23, 2025
Resolved
Monitoring, Regular
—
Benzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Toluene
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
—
Styrene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Ethylbenzene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2008 – June 30, 2008
Archived
Monitoring, Regular
—
Vinyl chloride
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
—
Aldicarb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2007 – December 31, 2007
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Toluene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Styrene
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
—
ETHYLENE DIBROMIDE
July 1, 2007 – September 30, 2007
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2007 – September 30, 2007
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Diquat
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2007 – March 31, 2007
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2007 – March 31, 2007
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2007 – March 31, 2007
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2007 – March 31, 2007
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Diquat
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2006 – September 30, 2006
Archived
Monitoring, Regular
—
Diquat
July 1, 2006 – September 30, 2006
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2006 – September 30, 2006
Archived
Monitoring, Regular
—
Selenium
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
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
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, 2024 – June 23, 2025	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	CHLOROBENZENE	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Tetrachloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-Dichloropropane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Toluene	—	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	Styrene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 2008 – June 30, 2008	Monitoring, Regular	Vinyl chloride	—	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
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
October 1, 2007 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Benzene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Toluene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Styrene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Diquat	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 2007 – September 30, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
April 1, 2007 – June 30, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2007 – March 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
October 1, 2006 – December 31, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Diquat	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 2006 – September 30, 2006	Monitoring, Regular	Diquat	—	Archived
July 1, 2006 – September 30, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived

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

Enforcement actions

June 23, 2025State Compliance achieved1 linked violation
June 8, 2011State Compliance achieved5 linked violations
January 1, 2008State Compliance achieved66 linked violations
August 29, 2007State Compliance achieved57 linked violations

Contact

AMES LAKE WATER ASSOC INC

Phone not on record

Redmond, WA 98024