Drinking Water Compliance OS

BERLIN, CT · Hartford County

BERLIN WATER CONTROL COMMISSION Water System

Current status

1 open health-based violation on record as of July 4, 2026. See the violation history below for contaminant and status details.

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)
CT0070021
System type
Community Water System
Population served
5,128
Service connections
2,557
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2022 – October 5, 2022

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2022 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2022 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2022 – December 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Styrene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Toluene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Benzene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2015 – March 31, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 2015 – March 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2015 – March 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2013 – July 15, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 2012 – June 30, 2012

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 2, 2010 – May 17, 2012

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – October 14, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 31, 2007 – May 3, 2011

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 2, 2006 – May 3, 2011

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2006 – June 30, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2006 – April 30, 2006

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    November 1, 2005 – November 30, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2005 – November 30, 2005

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Combined Uranium

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2005 – August 31, 2005

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Combined Uranium

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2005 – March 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2005 – March 31, 2005

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2005 – March 31, 2005

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2004 – January 3, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – March 31, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2003 – March 31, 2003

    Resolved

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

Enforcement actions

Contact

JAREMA, RAY

860-828-7065

BERLIN, CT 06037