BRIDGEPORT, CT · Fairfield County

AQUARION WATER CO OF CT-GREENRIDGE Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 21, 2015. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Fairfield County, CT.

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): CT0180071
System type: Community Water System
Population served: 912
Service connections: 228
Ownership: privately owned
Water source: groundwater (wells)

AQUARION WATER CO OF CT-GREENRIDGE is one of 84 community water systems in Connecticut in the 501 to 3,300 people size category, formerly serving 912 people from groundwater.

EPA's federal records list this system as inactive in 2015; the record below is historical.

As of August 1, 2026, its federal record holds 74 entries between 1995 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.

Of the 74, 8 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 Radionuclides and Revised Rad Rule, the Public Notice Rule and Revised PN Rule, and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2011 – March 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2011 – March 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2010 – June 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2010 – June 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2008 – December 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2008 – May 8, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2008 – May 8, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2008 – September 30, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 6, 2008 – May 3, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 6, 2008 – May 3, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2008 – June 30, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 29, 2008 – May 3, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 15, 2008 – May 3, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2008 – March 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 26, 2007 – May 3, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 26, 2007 – May 3, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2007 – December 31, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 28, 2007 – May 3, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 12, 2007 – May 3, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2007 – September 30, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 20, 2007 – May 3, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2006 – December 31, 2006
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2006 – November 20, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2006 – September 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – November 20, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2005 – November 29, 2005
Resolved
Notification, Public
—
Coliform (TCR)
March 1, 1995 – March 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 11, 2008 – May 8, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 11, 2008 – May 8, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 6, 2008 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 6, 2008 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
February 29, 2008 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 15, 2008 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 26, 2007 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 26, 2007 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
September 28, 2007 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 12, 2007 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 20, 2007 – May 3, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
August 10, 2006 – November 20, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2006 – November 20, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
March 1, 2006 – March 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 10, 2005 – November 29, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
March 1, 1995 – March 31, 1995	Notification, Public	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 9, 2012State Public Notification received2 linked violations
March 31, 2012State Compliance achieved47 linked violations
March 13, 2012State Public Notification requested3 linked violations
March 13, 2012State Public Notification requested2 linked violations
March 13, 2012State Violation/Reminder Notice2 linked violations
February 14, 2012State Public Notification received2 linked violations
January 9, 2012State Public Notification requested2 linked violations
November 19, 2011State Public Notification received2 linked violations
October 26, 2011State Public Notification requested2 linked violations
October 26, 2011State Public Notification requested2 linked violations
October 18, 2011State Public Notification requested2 linked violations
October 18, 2011State Violation/Reminder Notice2 linked violations
September 22, 2011State Public Notification received2 linked violations
June 14, 2011State Violation/Reminder Notice2 linked violations
June 14, 2011State Public Notification requested3 linked violations
March 25, 2011State Violation/Reminder Notice2 linked violations
March 25, 2011State Public Notification requested2 linked violations
March 25, 2011State Public Notification requested2 linked violations
January 11, 2011State Public Notification received2 linked violations
December 17, 2010State Public Notification requested2 linked violations
December 17, 2010State Public Notification requested2 linked violations
September 21, 2010State Public Notification requested2 linked violations
August 20, 2010State Public Notification requested2 linked violations
August 19, 2010State Public Notification received3 linked violations
July 9, 2010State Public Notification requested2 linked violations
April 27, 2010State Public Notification received2 linked violations
March 30, 2010State Violation/Reminder Notice3 linked violations
January 10, 2010State Public Notification received3 linked violations
December 7, 2009State Public Notification requested3 linked violations
October 21, 2009State Violation/Reminder Notice3 linked violations
September 22, 2009State Violation/Reminder Notice3 linked violations
July 2, 2009State Public Notification requested3 linked violations
July 2, 2009State Public Notification requested2 linked violations
May 8, 2009State Compliance achieved3 linked violations
March 23, 2009State Public Notification received4 linked violations
March 9, 2009State Public Notification requested2 linked violations
October 16, 2008State Violation/Reminder Notice5 linked violations
October 16, 2008State Public Notification requested5 linked violations
October 16, 2008State Public Notification requested7 linked violations
June 10, 2008State Public Notification requested29 linked violations
January 25, 2008State Administrative/Compliance Order without penalty issued57 linked violations
September 25, 2007State Public Notification requested4 linked violations
August 28, 2007State Violation/Reminder Notice4 linked violations
July 12, 2007State Public Notification requested10 linked violations
March 20, 2007State Violation/Reminder Notice10 linked violations
December 12, 2006State Public Notification received4 linked violations
December 7, 2006State Compliance achieved8 linked violations
November 20, 2006State Compliance achieved5 linked violations
November 1, 2006State Violation/Reminder Notice7 linked violations
October 4, 2006State Violation/Reminder Notice7 linked violations
November 29, 1992State Public Notification received6 linked violations
August 7, 1992State Compliance achieved4 linked violations
July 21, 1992State Public Notification requested4 linked violations
July 21, 1992State Violation/Reminder Notice8 linked violations

Last known contact on file (system is inactive)

WALSH, JOHN P.

203-337-5852

BRIDGEPORT, CT 06604