CLINTON, CT · Hartford County

CTWC - NORTHERN REG-WESTERN SYSTEM Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): CT0473011
System type: Community Water System
Population served: 101,313
Service connections: 37,354
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
June 8, 2018
Unaddressed
Monitoring, Source Water (GWR)
—
E. COLI
July 16, 2014 – December 3, 2014
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 2014 – July 31, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Toluene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrite
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
ManMade Beta Particle and Photon Emitter
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Toluene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2006 – July 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Barium
January 1, 2006 – July 23, 2008
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2006 – July 23, 2008
Resolved
Monitoring, Regular
—
Nickel
January 1, 2006 – July 23, 2008
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2006 – July 23, 2008
Resolved
Monitoring, Regular
—
LASSO
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endrin
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – December 31, 2007
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
June 8, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 16, 2014 – December 3, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2014 – July 31, 2014	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Toluene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Nitrite	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	ManMade Beta Particle and Photon Emitter	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Toluene	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2006 – July 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – July 23, 2008	Monitoring, Regular	Barium	—	Resolved
January 1, 2006 – July 23, 2008	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2006 – July 23, 2008	Monitoring, Regular	Nickel	—	Resolved
January 1, 2006 – July 23, 2008	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	LASSO	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endrin	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

March 9, 2009State Violation/Reminder Notice317 linked violations

Contact

LOWRY, PAUL C.

860-944-9655

CLINTON, CT 06413