CLINTON, CT · Litchfield County
CTWC - NAUGATUCK REG-THOMASTON SYSTEM Water System
Consumer Confidence Report status
CTWC - NAUGATUCK REG-THOMASTON SYSTEM 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-THOMASTON SYSTEM.
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)
- CT1400011
- System type
- Community Water System
- Population served
- 3,789
- Service connections
- 1,692
- Ownership
- privately owned
- Water source
- groundwater (wells)
CTWC - NAUGATUCK REG-THOMASTON SYSTEM serves 3,789 people from groundwater, placing it in the 3,301 to 10,000 people size category.
As of August 1, 2026, its federal record holds 2 entries in 2007, all of which EPA lists as closed. Nothing has been added since 2007.
All 2 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.
Violation history
Monitoring, Regular
—Tetrachloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzene
April 1, 2007 – June 30, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is CTWC - NAUGATUCK REG-THOMASTON SYSTEM required to publish a Consumer Confidence Report?
- Yes. CTWC - NAUGATUCK REG-THOMASTON SYSTEM 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-THOMASTON SYSTEM’s next Consumer Confidence Report due?
- CTWC - NAUGATUCK REG-THOMASTON SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CTWC - NAUGATUCK REG-THOMASTON SYSTEM 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-THOMASTON SYSTEM.
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