WALLINGFORD, CT · New Haven County
WALLINGFORD WATER DEPARTMENT Water System
Consumer Confidence Report status
WALLINGFORD WATER DEPARTMENT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for WALLINGFORD WATER DEPARTMENT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
WALLINGFORD WATER DEPARTMENT is among the 19 largest community water systems in Connecticut, serving 37,267 people from surface water.
As of August 1, 2026, its federal record holds 87 entries between 2003 and 2024, all of which EPA lists as closed.
Of the 87, 85 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, synthetic organic chemicals, and the Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – July 17, 2024
ResolvedMonitoring, Regular
—Styrene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Toluene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Benzene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2024 – June 30, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 10, 2023
ResolvedMonitoring, Regular
—LASSO
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Endrin
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Toxaphene
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Diquat
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Picloram
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Aldicarb sulfone
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Carbofuran
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Heptachlor
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—2,4-D
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—Chlordane
January 1, 2017 – December 31, 2019
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Benzene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Toluene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Styrene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2010 – July 16, 2010
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Benzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Styrene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Toluene
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 | Ethylbenzene | — | 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 | LASSO | — | 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 | 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 | Carbofuran | — | 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 | o-Dichlorobenzene | — | Resolved |
| April 1, 2010 – July 16, 2010 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2010 – July 16, 2010 | Monitoring, Regular | DICHLOROMETHANE | — | 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 | Vinyl chloride | — | Resolved |
| April 1, 2010 – July 16, 2010 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Ethylbenzene | — | 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 | Trichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | 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 | Styrene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Toluene | — | 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 27, 2024State Violation/Reminder Notice2 linked violations
- August 16, 2024State Public Notification requested21 linked violations
- August 16, 2024State Violation/Reminder Notice21 linked violations
- September 9, 2010State Violation/Reminder Notice20 linked violations
- July 16, 2010State Compliance achieved20 linked violations
- June 29, 1993State Bilateral Compliance Agreement signed4 linked violations
Common questions
Is WALLINGFORD WATER DEPARTMENT required to publish a Consumer Confidence Report?
- Yes. WALLINGFORD WATER DEPARTMENT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WALLINGFORD WATER DEPARTMENT’s next Consumer Confidence Report due?
- WALLINGFORD WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WALLINGFORD WATER DEPARTMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WALLINGFORD WATER DEPARTMENT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
PAWLOWSKI, JAY
203-949-2660
WALLINGFORD, CT 06492