Drinking Water Compliance OS

SHELTON, CT · Fairfield County

AQUARION-HICKORY HILLS 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)
CT0180101
System type
Community Water System
Population served
132
Service connections
38
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2019 – January 16, 2020

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – July 9, 2018

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2018 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2018 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2016 – December 31, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – August 17, 2011

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2008 – August 12, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – August 12, 2008

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2007 – October 24, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – October 24, 2007

    Resolved
  • Notification, Public

    Lead and Copper Rule

    September 1, 1994 – September 30, 1994

    Archived
  • Notification, Public

    cis-1,2-Dichloroethylene

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    o-Xylene

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,1,2,2-Tetrachloroethane

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,1,1,2-Tetrachloroethane

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,2-Dichloropropane

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    Carbon tetrachloride

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    DICHLOROMETHANE

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    Bromoform

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    Chloroform

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,3-DICHLOROPROPENE

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,1-Dichloropropene

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,3-Dichloropropane

    March 1, 1994 – March 31, 1994

    Resolved
  • Notification, Public

    1,1-Dichloroethylene

    January 1, 1993 – January 31, 1993

    Resolved
  • Notification, Public

    Benzene

    January 1, 1993 – January 31, 1993

    Resolved
  • Notification, Public

    p-Dichlorobenzene

    January 1, 1993 – January 31, 1993

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1990 – December 31, 1992

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1990 – December 31, 1992

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

ULRICH, ROBERT J.

203-926-4320

SHELTON, CT 06484