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AQUARION-NEWTOWN REGIONAL

Connecticut — Community Water System — PWSID: CT0970011

System Information

PWSIDCT0970011
System NameAQUARION-NEWTOWN REGIONAL
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CitySHELTON
ZIP Code06484
Address505 Huntington St.
OrganizationULRICH, ROBERT J.
Phone203-926-4320

Population & Service

Population Served6,054
Service Connections1,947

Drinking Water Violations (36)

This water system has 36 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
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2003 Dec 31, 2003 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jun 1, 2002 Jun 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2002 Total Coliform Rule
Jun 1, 2002 Jun 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2002 Total Coliform Rule
Jun 1, 2002 Jun 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2002 Total Coliform Rule
Jun 1, 2002 Jun 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2002 Total Coliform Rule
— — — No No — — — — — —

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.

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