Drinking Water Compliance OS

HARWINTON, CT · Litchfield County

WINTERGREEN Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 29, 2008. 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 Litchfield 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)
CT0667011
System type
Community Water System
Population served
40
Service connections
20
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 28, 2006 – March 14, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Regular

    Combined Uranium

    April 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

ZIMMERMAN, BARBARA

860-485-1200

HARWINTON, CT 06791