LEDYARD WPCA, HIGHLANDS SYSTEM

Connecticut — Community Water System — PWSID: CT0720031

System Information

PWSID	CT0720031
System Name	LEDYARD WPCA, HIGHLANDS SYSTEM
System Type	Community Water System
Water Source	Ground Water
Activity Status	Non-Inventory
Owner Type	Local
EPA Region	01
Serves School	No
Wholesaler	No
First Reported	Mar 23, 1979
Last Reported	Dec 15, 2025

Location & Contact

State	Connecticut
City	LEDYARD
ZIP Code	06339
Address	741 Colonel Ledyard Highway
Organization	GARDNER, JOHN R.
Phone	860-536-3181

Population & Service

Population Served	4,134
Service Connections	574

Drinking Water Violations (87)

This water system has 87 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, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2007	Consumer Confidence Rule
Jul 1, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2007	Consumer Confidence Rule
Aug 10, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 29, 2005	Consumer Confidence Rule
Aug 10, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 29, 2005	Consumer Confidence Rule
Jul 1, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 29, 2005	Consumer Confidence Rule
Jul 1, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 29, 2005	Consumer Confidence Rule
Jul 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 13, 1998	Lead and Copper Rule
Jul 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 13, 1998	Lead and Copper Rule
Jul 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 13, 1998	Lead and Copper Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 13, 1998	Lead and Copper Rule
Feb 1, 1996	Feb 29, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 1996	Total Coliform Rule
Feb 1, 1996	Feb 29, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 1996	Total Coliform Rule
Feb 1, 1996	Feb 29, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 1996	Total Coliform Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jan 1, 1996	Jan 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1996	Total Coliform Rule
Jan 1, 1996	Jan 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1996	Total Coliform Rule
Jan 1, 1996	Jan 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1996	Total Coliform Rule
Jan 1, 1996	Feb 13, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Archived	Feb 13, 1998	Lead and Copper Rule
Dec 1, 1995	Dec 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1995	Total Coliform Rule
Dec 1, 1995	Dec 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1995	Total Coliform Rule
Dec 1, 1995	Dec 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1995	Total Coliform Rule
Jul 1, 1995	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 29, 1997	Lead and Copper Rule
Jul 1, 1993	Jul 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	Total Coliform Rule
Jul 1, 1993	Jul 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	Total Coliform Rule
Jul 1, 1993	Jul 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	Total Coliform Rule
Jul 1, 1993	Jul 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	Total Coliform Rule
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1992	Total Coliform Rule
May 1, 1991	May 31, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 1991	Total Coliform Rule
May 1, 1991	May 31, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 1991	Total Coliform Rule
Dec 1, 1988	Dec 31, 1988	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 1988	Inorganic Chemicals
Dec 1, 1988	Dec 31, 1988	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1988	Nitrate Rule
Dec 1, 1988	Dec 31, 1988	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1988	Nitrate 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.

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