CLINTON, CT · New London County
CTWC - BAY MOUNTAIN Water System
Consumer Confidence Report status
CTWC - BAY MOUNTAIN 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 - BAY MOUNTAIN.
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)
- CT0580041
- System type
- Community Water System
- Population served
- 440
- Service connections
- 111
- Ownership
- privately owned
- Water source
- groundwater (wells)
CTWC - BAY MOUNTAIN is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 440 people from groundwater.
As of August 1, 2026, its federal record holds 19 entries between 1990 and 2011, all of which EPA lists as closed. Nothing has been added since 2011.
Of the 19, 6 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 Miscellaneous Other Rules, and the Total Coliform Rules.
Violation history
Monitoring, Source Water (GWR)
—E. COLI
October 15, 2011 – October 31, 2011
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2010 – December 31, 2010
ResolvedMonitoring, Regular
—Nitrate
January 1, 2005 – December 31, 2005
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1994 – May 5, 1994
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1993 – July 31, 1993
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 1993 – April 30, 1993
ResolvedNotification, Public
—Toluene
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—1,1,1,2-Tetrachloroethane
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—p-Dichlorobenzene
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—Vinyl chloride
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—Carbon tetrachloride
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—Trichloroethylene
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—Dibromomethane
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—o-Xylene
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—m-Dichlorobenzene
January 1, 1993 – March 31, 1993
ResolvedNotification, Public
—Bromobenzene
January 1, 1993 – March 31, 1993
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1990 – December 31, 1992
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1990 – December 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 15, 2011 – October 31, 2011 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2010 – December 31, 2010 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1994 – May 5, 1994 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| July 1, 1993 – July 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1993 – April 30, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Toluene | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | 1,1,1,2-Tetrachloroethane | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | p-Dichlorobenzene | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Vinyl chloride | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Carbon tetrachloride | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Trichloroethylene | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Dibromomethane | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | o-Xylene | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | m-Dichlorobenzene | — | Resolved |
| January 1, 1993 – March 31, 1993 | Notification, Public | Bromobenzene | — | Resolved |
| January 1, 1990 – December 31, 1992 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1990 – December 31, 1992 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 31, 2011State Compliance achieved3 linked violations
- April 6, 2011State Violation/Reminder Notice3 linked violations
- May 5, 1994State Compliance achieved5 linked violations
- January 20, 1994State Public Notification requested46 linked violations
- July 19, 1993State Compliance achieved48 linked violations
- July 13, 1993State Public Notification received49 linked violations
- June 21, 1993State Public Notification received5 linked violations
- May 14, 1993State Compliance achieved8 linked violations
- September 22, 1992State Technical Assistance Visit3 linked violations
Common questions
Is CTWC - BAY MOUNTAIN required to publish a Consumer Confidence Report?
- Yes. CTWC - BAY MOUNTAIN 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 - BAY MOUNTAIN’s next Consumer Confidence Report due?
- CTWC - BAY MOUNTAIN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CTWC - BAY MOUNTAIN have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CTWC - BAY MOUNTAIN.
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