Drinking Water Compliance OS

BRANFORD, CT · New Haven County

QUONNIPAUG HILLS - UPPER SYSTEM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 6, 2023. 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 New Haven County, CT.

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)
CT0600371
System type
Community Water System
Population served
174
Service connections
58
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 4, 2007 – April 3, 2007

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1994 – March 29, 1996

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

KRYGIER, WILLIAM P.

203-488-9500

BRANFORD, CT 06405