WALLINGFORD, CT · New Haven County

WALLINGFORD WATER DEPARTMENT 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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT1480011
System type: Community Water System
Population served: 37,267
Service connections: 13,204
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 17, 2024
Resolved
Monitoring, Regular
—
Styrene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Toluene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Benzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2024 – June 30, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 10, 2023
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Endrin
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Diquat
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Picloram
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
LASSO
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
2,4-D
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Chlordane
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Benzene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Toluene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Styrene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2010 – July 16, 2010
Resolved
Monitoring, Regular
—
Styrene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Toluene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Benzene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2003 – December 31, 2003
Resolved

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 – July 17, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Styrene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Toluene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Benzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2023 – July 10, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Endrin	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Diquat	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Picloram	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	LASSO	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4-D	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Chlordane	—	Archived
April 1, 2010 – July 16, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Benzene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Toluene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Styrene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2010 – July 16, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Styrene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Toluene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Benzene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Ethylbenzene	—	Resolved

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

Enforcement actions

July 17, 2025State Public Notification received25 linked violations
September 30, 2024State Compliance achieved24 linked violations
August 16, 2024State Public Notification requested21 linked violations
August 16, 2024State Violation/Reminder Notice21 linked violations
July 17, 2024State Compliance achieved1 linked violation
September 9, 2010State Violation/Reminder Notice20 linked violations
July 16, 2010State Compliance achieved20 linked violations
September 30, 1984State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Contact

PAWLOWSKI, JAY

203-949-2660

WALLINGFORD, CT 06492