Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

REGIONAL WATER AUTHORITY-ANSONIA

Connecticut — Community Water System — PWSID: CT0020021

System Information

PWSIDCT0020021
System NameREGIONAL WATER AUTHORITY-ANSONIA
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusNon-Inventory
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityNEW HAVEN
ZIP Code06511
Address90 SARGENT DRIVE
OrganizationBINGAMAN, LARRY L.
Phone203-562-4020

Population & Service

Population Served29,600
Service Connections8,724

Drinking Water Violations (30)

This water system has 30 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Aug 10, 2005 — Consumer Confidence Rule Other No No — — — Resolved Nov 22, 2005 Consumer Confidence Rule
Apr 1, 2005 Jun 30, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Apr 1, 2005 Jun 30, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule
Jan 1, 2005 Mar 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2005 Radionuclides and Revised Rad Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Connecticut