PRESTON PLAINS WATER COMPANY

Connecticut — Community Water System — PWSID: CT1140011

System Information

PWSID	CT1140011
System Name	PRESTON PLAINS WATER COMPANY
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	MASHANTUCKET
ZIP Code	06338-3060
Address	2 Matts Path
Organization	CHARITY, BRYAN
Phone	860-396-7552

Population & Service

Population Served	550
Service Connections	105

Drinking Water Violations (41)

This water system has 41 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, 2025	—	Consumer Confidence Rule	Other	No	No	—	—	—	Unaddressed	—	Consumer Confidence Rule
Jul 1, 2025	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 15, 2025	Consumer Confidence Rule
Dec 30, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 28, 2025	Lead and Copper Rule
Dec 30, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 28, 2025	Lead and Copper Rule
Jul 1, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 3, 2022	Consumer Confidence Rule
Dec 30, 2021	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 24, 2022	Lead and Copper Rule
Dec 30, 2021	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 24, 2022	Lead and Copper Rule
Sep 1, 2021	Sep 30, 2021	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 30, 2021	Revised Total Coliform Rule
Jul 1, 2021	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 2, 2021	Consumer Confidence Rule
Jul 1, 2021	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 2, 2021	Consumer Confidence Rule
Dec 30, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 5, 2019	Lead and Copper Rule
Oct 10, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2018	Revised Total Coliform Rule
Oct 10, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2018	Revised Total Coliform Rule
Oct 10, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2018	Revised Total Coliform Rule
Oct 10, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2018	Revised Total Coliform 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
Jun 1, 2013	Jun 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2013	Total Coliform Rule
Jun 1, 2013	Jun 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2013	Total Coliform Rule
Jun 1, 2013	Jun 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2013	Total Coliform Rule
Jun 1, 2013	Jun 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2013	Total Coliform Rule
Oct 1, 2010	Dec 31, 2010	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2010	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2010	Dec 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Oct 1, 2010	Dec 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Oct 1, 2010	Dec 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Oct 1, 2010	Dec 31, 2010	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2010	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2010	Dec 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 1993	Total Coliform Rule
Jan 1, 1993	Dec 31, 1993	Tetrachloroethylene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Jan 1, 1993	Dec 31, 1993	Tetrachloroethylene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Jan 1, 1993	Dec 31, 1993	1,2-Dichloropropane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Jan 1, 1993	Dec 31, 1993	1,2-Dichloropropane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Jan 1, 1993	Dec 31, 1993	1,2-Dichloropropane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Jan 1, 1993	Dec 31, 1993	1,2-Dichloropropane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1993	Volatile Organic Chemicals
Apr 1, 1991	Jun 30, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 1991	Total Coliform Rule
Apr 1, 1991	Jun 30, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 1991	Total Coliform Rule
—	—		—	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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Connecticut