WILTON, CT · Fairfield County

SOUTH NORWALK ELECTRIC & WATER 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): CT1030021
System type: Community Water System
Population served: 42,000
Service connections: 9,682
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 – August 12, 2024
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2019 – March 31, 2019
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2008 – October 28, 2009
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Endrin
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
LASSO
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Diquat
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Simazine
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Aldicarb
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2001 – September 30, 2001
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 – August 12, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2019 – March 31, 2019	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Archived
August 10, 2008 – October 28, 2009	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Endrin	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	LASSO	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Diquat	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Simazine	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Methoxychlor	—	Resolved

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

Enforcement actions

August 28, 2024State Violation/Reminder Notice1 linked violation
August 28, 2024State Violation/Reminder Notice1 linked violation
August 13, 2024State Compliance achieved1 linked violation
August 12, 2024State Compliance achieved1 linked violation
November 5, 2009State Violation/Reminder Notice2 linked violations
October 28, 2009State Compliance achieved1 linked violation
October 28, 2009State Compliance achieved2 linked violations
January 31, 2007State Public Notification requested1 linked violation
January 31, 2007State Violation/Reminder Notice1 linked violation
October 13, 2006State Violation/Reminder Notice1 linked violation
September 11, 2006State Compliance achieved2 linked violations
September 5, 2006State Violation/Reminder Notice2 linked violations
August 1, 2006State Compliance achieved1 linked violation
January 9, 2003State Compliance achieved62 linked violations

Contact

BURNS, ELISABETH O.

203-866-3366

WILTON, CT 06897