Drinking Water Compliance OS

NEW HAVEN, CT · New Haven County

REGIONAL WATER AUTHORITY-ANSONIA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of March 24, 2016. 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)
CT0020021
System type
Community Water System
Population served
29,600
Service connections
8,724
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

BINGAMAN, LARRY L.

203-562-4020

NEW HAVEN, CT 06511