SHELTON, CT · Litchfield County
AQUARION-CARMEN HILL Water System
Consumer Confidence Report status
AQUARION-CARMEN HILL 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 2 items for AQUARION-CARMEN HILL that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- CT0960101
- System type
- Community Water System
- Population served
- 322
- Service connections
- 124
- Ownership
- privately owned
- Water source
- groundwater (wells)
AQUARION-CARMEN HILL is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 322 people from groundwater.
As of August 1, 2026, its federal record holds 11 entries between 2003 and 2019, of which 2 remain open; none are health-based.
Of the 11, 5 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 the Consumer Confidence Rule, the Total Coliform Rules, and the Public Notice Rule and Revised PN Rule.
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
January 11, 2019 – August 27, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2017 – October 9, 2017
ResolvedMonitoring, Source Water (GWR)
—E. COLI
September 21, 2011 – December 20, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2011 – September 30, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2009 – July 8, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2009 – January 31, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
May 18, 2006
UnaddressedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2003 – September 30, 2003
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 11, 2019 – August 27, 2019 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2018 – July 9, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2017 – October 9, 2017 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 21, 2011 – December 20, 2011 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| September 1, 2011 – September 30, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2009 – July 8, 2009 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| May 18, 2006 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| September 1, 2003 – September 30, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- August 27, 2019State Public Notification received1 linked violation
- August 27, 2019State Compliance achieved1 linked violation
- February 19, 2019State Violation/Reminder Notice1 linked violation
- January 16, 2019State Violation/Reminder Notice1 linked violation
- July 9, 2018State Compliance achieved1 linked violation
- January 10, 2018State Violation/Reminder Notice1 linked violation
- January 10, 2018State Public Notification requested1 linked violation
- October 9, 2017State Compliance achieved1 linked violation
- March 23, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- March 23, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 26, 2012State Public Notification received1 linked violation
- January 10, 2012State Violation/Reminder Notice1 linked violation
- January 10, 2012State Public Notification requested1 linked violation
- December 20, 2011State Compliance achieved1 linked violation
- November 4, 2011State Public Notification received1 linked violation
- October 31, 2011State Compliance achieved1 linked violation
- October 6, 2011State Violation/Reminder Notice1 linked violation
- October 6, 2011State Public Notification requested1 linked violation
- June 14, 2011State Intentional no-actiongeneral compliance action — not tied to a specific violation on record
- October 21, 2009State Violation/Reminder Notice1 linked violation
- July 8, 2009State Compliance achieved1 linked violation
- June 29, 2009State Violation/Reminder Notice1 linked violation
- May 18, 2009State Violation/Reminder Notice4 linked violations
- May 17, 2005State Violation/Reminder Notice5 linked violations
- March 20, 2000State Compliance achieved48 linked violations
- June 23, 1998State Violation/Reminder Notice7 linked violations
- January 21, 1994State Public Notification requested18 linked violations
- January 21, 1994State Violation/Reminder Notice15 linked violations
- June 30, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Common questions
Is AQUARION-CARMEN HILL required to publish a Consumer Confidence Report?
- Yes. AQUARION-CARMEN HILL 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 AQUARION-CARMEN HILL’s next Consumer Confidence Report due?
- AQUARION-CARMEN HILL’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AQUARION-CARMEN HILL have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 2 items for AQUARION-CARMEN HILL that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
ULRICH, ROBERT J.
203-926-4320
SHELTON, CT 06484