AQUARION-LAKESIDE

Connecticut — Community Water System — PWSID: CT1300031

System Information

PWSID	CT1300031
System Name	AQUARION-LAKESIDE
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	Dec 15, 2025

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	455
Service Connections	201

Drinking Water Violations (163)

This water system has 163 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
Dec 30, 2021	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 21, 2022	Lead and Copper 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	—	—	—	Resolved	Jul 13, 2006	Consumer Confidence Rule
Jul 1, 2006	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 13, 2006	Consumer Confidence Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1997	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1997	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1997	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1997	Total Coliform Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Jun 1, 1995	Jun 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1995	Total Coliform Rule
Mar 1, 1995	Mar 31, 1995	Coliform (TCR)	Other	No	No	—	5% of samples	—	Resolved	Mar 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Nov 1, 1994	Nov 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1994	Total Coliform Rule
Nov 1, 1994	Nov 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1994	Total Coliform Rule
Nov 1, 1994	Nov 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1994	Total Coliform Rule
Nov 1, 1994	Nov 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	Other	No	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	Other	No	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	Other	No	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Mar 1, 1994	Mar 31, 1994	Barium	Other	No	No	—	2 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Barium	Other	No	No	—	2 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Fluoride	Other	No	No	—	4.0 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Selenium	Other	No	No	—	0.05 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Silver	Other	No	No	—	—	—	Resolved	Mar 31, 1994	Miscellaneous Other Rules
Mar 1, 1994	Mar 31, 1994	Selenium	Other	No	No	—	0.05 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Cadmium	Other	No	No	—	0.005 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Cadmium	Other	No	No	—	0.005 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	Silver	Other	No	No	—	—	—	Resolved	Mar 31, 1994	Miscellaneous Other Rules
Mar 1, 1994	Mar 31, 1994	Silver	Other	No	No	—	—	—	Resolved	Mar 31, 1994	Miscellaneous Other Rules
Mar 1, 1994	Mar 31, 1994	CYANIDE	Other	No	No	—	0.2 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	CYANIDE	Other	No	No	—	0.2 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals
Mar 1, 1994	Mar 31, 1994	CYANIDE	Other	No	No	—	0.2 mg/L	—	Resolved	Mar 31, 1994	Inorganic Chemicals

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