BRANFORD, CT · New Haven County

QUONNIPAUG HILLS - SECTION I Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): CT0606011
System type: Community Water System
Population served: 27
Service connections: 9
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Reporting, Assessment Forms (RTCR)
—
Revised Total Coliform Rule
August 16, 2018 – August 18, 2018
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2016 – August 15, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – July 21, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 14, 2011 – October 2, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2010 – September 30, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – July 15, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 15, 2008 – July 28, 2008
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2006 – December 5, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – June 30, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2004 – June 3, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – June 3, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2003 – September 30, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1994 – July 31, 1994
Resolved
Notification, Public
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1991 – November 30, 1991
Resolved
Notification, Public
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Notification, Public
—
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1991 – August 31, 1991
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1990 – December 31, 1992
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1990 – December 31, 1992
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1990 – December 31, 1992
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1990 – December 31, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1990 – December 31, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 16, 2018 – August 18, 2018	Reporting, Assessment Forms (RTCR)	Revised Total Coliform Rule	—	Resolved
August 10, 2016 – August 15, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2014 – July 21, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2011 – October 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2011 – August 31, 2011	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 14, 2011 – October 2, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2009 – July 15, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 15, 2008 – July 28, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 10, 2006 – December 5, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 10, 2004 – June 3, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – June 3, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2003 – December 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – September 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1994 – July 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 1991 – November 30, 1991	Notification, Public	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1991 – October 31, 1991	Notification, Public	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Notification, Public	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1991 – August 31, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1990 – December 31, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1990 – December 31, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1990 – December 31, 1992	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1990 – December 31, 1992	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1990 – December 31, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 3, 2018State Public Notification received1 linked violation
September 26, 2018State Public Notification requested1 linked violation
September 26, 2018State Violation/Reminder Notice1 linked violation
August 18, 2018State Compliance achieved1 linked violation
August 15, 2016State Compliance achieved1 linked violation
January 14, 2015State Violation/Reminder Notice2 linked violations
July 21, 2014State Compliance achieved1 linked violation
December 6, 2012State Public Notification received1 linked violation
October 2, 2012State Compliance achieved1 linked violation
September 25, 2012State Violation/Reminder Notice1 linked violation
September 25, 2012State Compliance achieved1 linked violation
January 19, 2012State Public Notification received1 linked violation
December 19, 2011State Formal Notice of Violation issued1 linked violation
December 19, 2011State Administrative Penalty assessed1 linked violation
December 19, 2011State Public Notification requested1 linked violation
November 30, 2011State Compliance achieved2 linked violations
November 21, 2011State Violation/Reminder Notice1 linked violation
November 21, 2011State Public Notification requested1 linked violation
October 20, 2011State Public Notification received1 linked violation
October 18, 2011State Violation/Reminder Notice1 linked violation
October 18, 2011State Public Notification requested1 linked violation
September 30, 2011State Compliance achieved1 linked violation
July 31, 2011State Compliance achieved1 linked violation
July 12, 2011State Public Notification received1 linked violation
June 13, 2011State Violation/Reminder Notice1 linked violation
June 13, 2011State Public Notification requested1 linked violation
October 31, 2010State Compliance achieved1 linked violation
October 21, 2010State Public Notification received1 linked violation
October 18, 2010State Public Notification requested1 linked violation
October 18, 2010State Violation/Reminder Notice1 linked violation
October 21, 2009State Violation/Reminder Notice1 linked violation
July 15, 2009State Compliance achieved1 linked violation
July 28, 2008State Compliance achieved1 linked violation
July 7, 2008State Violation/Reminder Notice2 linked violations
June 30, 2008State Compliance achieved1 linked violation
June 25, 2008State Public Notification received1 linked violation
May 27, 2008State Violation/Reminder Notice4 linked violations
December 31, 2007State Compliance achieved20 linked violations
March 15, 2007State Public Notification requested20 linked violations
January 30, 2006State Compliance achieved1 linked violation
January 4, 2006State Administrative/Compliance Order with penalty issued2 linked violations
June 3, 2005State Compliance achieved2 linked violations
November 1, 2004State Violation/Reminder Notice2 linked violations
May 26, 2004State Compliance achieved2 linked violations
May 11, 2004State Administrative/Compliance Order with penalty issued3 linked violations
July 29, 2002State Compliance achieved1 linked violation
June 30, 1995State Compliance achieved2 linked violations
March 9, 1993State Compliance achieved28 linked violations
January 25, 1993State Public Notification requested27 linked violations
March 31, 1992State Compliance achieved2 linked violations
December 19, 1991State Violation/Reminder Notice2 linked violations
October 2, 1991State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
September 4, 1991State Violation/Reminder Notice1 linked violation
July 15, 1991State Technical Assistance Visit2 linked violations
December 30, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
September 15, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

KRYGIER, WILLIAM P.

203-488-9500

BRANFORD, CT 06405