Drinking Water Compliance OS

CLINTON, CT · Hartford County

AVON WATER CO 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)
CT0040011
System type
Community Water System
Population served
11,590
Service connections
4,920
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2018 – March 31, 2018

    Resolved
  • Failure to Conduct Assessment Monitoring

    E. COLI

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Chlordane

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Heptachlor

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Methoxychlor

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Toxaphene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Glyphosate

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Dinoseb

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Carbofuran

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Aldicarb

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    2,4-D

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2010 – March 31, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – July 14, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Toxaphene

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Regular

    LASSO

    July 1, 2005 – September 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2004 – January 31, 2004

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

MCDERMOTT, GERALD

860-664-6125

CLINTON, CT 06413