AQUARION-NEWTOWN REGIONAL

Connecticut — Community Water System — PWSID: CT0970011

System Information

PWSID	CT0970011
System Name	AQUARION-NEWTOWN REGIONAL
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	01
Serves School	No
Wholesaler	No
First Reported	Mar 8, 1979
Last Reported	Mar 30, 2026

Location & Contact

State	Connecticut
City	SHELTON
ZIP Code	06484
Address	505 Huntington St.
Organization	ULRICH, ROBERT J.
Phone	203-926-4320

Population & Service

Population Served	6,054
Service Connections	1,947

Drinking Water Violations (38)

This water system has 38 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Jul 1, 2018	—	Other	No	No	—	—	—	Resolved	Jul 9, 2018	—
Jul 1, 2018	—	Other	No	No	—	—	—	Resolved	Jul 9, 2018	—
Jul 1, 2006	—	Other	No	No	—	—	—	Unaddressed	—	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.075 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.7 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2003	—
Jan 1, 2003	Dec 31, 2003	MR	No	Yes	—	0.6 mg/L	—	Resolved	Dec 31, 2003	—
Jun 1, 2002	Jun 30, 2002	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2002	—
Jun 1, 2002	Jun 30, 2002	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2002	—
Jun 1, 2002	Jun 30, 2002	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2002	—
Jun 1, 2002	Jun 30, 2002	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2002	—
—	—	—	No	No	—	—	—	—	—	—
—	—	—	No	No	—	—	—	—	—	—
—	—	—	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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