Drinking Water Compliance OS

SHELTON, CT · Fairfield County

AQUARION-RIDGEFIELD 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)
CT1180011
System type
Community Water System
Population served
7,476
Service connections
2,814
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2021 – January 21, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    September 12, 2019 – September 5, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – July 9, 2018

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1993 – October 26, 1993

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Surface Water Treatment Rule

    January 1, 1992 – May 23, 2001

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

ULRICH, ROBERT J.

203-926-4320

SHELTON, CT 06484