CLINTON, CT · Hartford County
CTWC - NAUGATUCK REG-COLLINSVILLE SYS Water System
Consumer Confidence Report status
CTWC - NAUGATUCK REG-COLLINSVILLE SYS 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 CTWC - NAUGATUCK REG-COLLINSVILLE SYS.
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)
- CT0230011
- System type
- Community Water System
- Population served
- 6,324
- Service connections
- 1,908
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
CTWC - NAUGATUCK REG-COLLINSVILLE SYS serves 6,324 people from surface water, placing it in the 3,301 to 10,000 people size category.
As of August 1, 2026, its federal record holds 16 entries between 2008 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
All 16 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, the Total Coliform Rules, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—CARBON, TOTAL
July 1, 2020 – October 1, 2020
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
June 1, 2012 – June 30, 2012
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 2008 – September 30, 2008
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Toluene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – March 31, 2008
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 |
|---|---|---|---|---|
| July 1, 2020 – October 1, 2020 | Monitoring and Reporting (DBP) | CARBON, TOTAL | — | Archived |
| June 1, 2012 – June 30, 2012 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2008 – September 30, 2008 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- May 19, 2008State Compliance achieved21 linked violations
- December 31, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 31, 1984State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Common questions
Is CTWC - NAUGATUCK REG-COLLINSVILLE SYS required to publish a Consumer Confidence Report?
- Yes. CTWC - NAUGATUCK REG-COLLINSVILLE SYS 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 CTWC - NAUGATUCK REG-COLLINSVILLE SYS’s next Consumer Confidence Report due?
- CTWC - NAUGATUCK REG-COLLINSVILLE SYS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CTWC - NAUGATUCK REG-COLLINSVILLE SYS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CTWC - NAUGATUCK REG-COLLINSVILLE SYS.
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
MCDERMOTT, GERALD
860-664-6125
CLINTON, CT 06413