WILTON, CT · Fairfield County
SOUTH NORWALK ELECTRIC & WATER Water System
Consumer Confidence Report status
SOUTH NORWALK ELECTRIC & WATER 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 SOUTH NORWALK ELECTRIC & WATER.
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)
- 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)
SOUTH NORWALK ELECTRIC & WATER is among the 15 largest community water systems in Connecticut, serving 42,000 people from surface water.
As of August 1, 2026, its federal record holds 31 entries between 2001 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
Of the 31, 29 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 synthetic organic chemicals, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Consumer Confidence Rule.
Violation history
Treatment Technique Precursor Removal
Health-basedCARBON, TOTAL
January 1, 2019 – March 31, 2019
ArchivedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2009 – October 28, 2009
ResolvedMonitoring, Regular
—Carbofuran
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—LASSO
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Heptachlor
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—2,4,5-TP
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Diquat
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Simazine
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Aldicarb sulfone
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Aldicarb
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Atrazine
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—LASSO
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Dalapon
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Simazine
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Toxaphene
July 1, 2001 – September 30, 2001
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2019 – March 31, 2019 | Treatment Technique Precursor Removal | CARBON, TOTAL | Health-based | Archived |
| August 10, 2009 – October 28, 2009 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Carbofuran | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Heptachlor | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Diquat | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Simazine | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 2001 – December 31, 2001 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Aldicarb | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Toxaphene | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
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
- August 23, 1991State Public Notification received1 linked violation
- August 23, 1991State Compliance achieved1 linked violation
Common questions
Is SOUTH NORWALK ELECTRIC & WATER required to publish a Consumer Confidence Report?
- Yes. SOUTH NORWALK ELECTRIC & WATER 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 SOUTH NORWALK ELECTRIC & WATER’s next Consumer Confidence Report due?
- SOUTH NORWALK ELECTRIC & WATER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOUTH NORWALK ELECTRIC & WATER have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SOUTH NORWALK ELECTRIC & WATER.
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
BURNS, ELISABETH O.
203-866-3366
WILTON, CT 06897