Public water system · CT0727051

Active

Ledyard Wpca, Gales Ferry System

At a glance

Ledyard Wpca, Gales Ferry System (PWSID CT0727051) is an active community water system in New London County, Connecticut. It reports serving 2,369 people through 640 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

2,369

Service connections

640

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCT0727051

System typeCommunity water system

Activity statusActive

Population served2,369

Service connections640

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyCT state drinking water program

City servedGroton

StateConnecticut

ZIP—

CountyNew London County

How does Ledyard Wpca, Gales Ferry System compare with other water systems in New London County?

By EPA's size categories, Ledyard Wpca, Gales Ferry System is a small system (501 to 3,300 people). New London County has 394 active public water systems. Its population served is about 4.5 times the county average of 532 people per system, and accounts for 1.1% of the 209,444 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active community water system reports serving 6,703 people, so Ledyard Wpca, Gales Ferry System is about 65% below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Connecticut has 481 active community water systems, 20% of the state's 2,363 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 52 Connecticut systems (2.2%) list purchased surface water as their primary source.

Who owns and regulates Ledyard Wpca, Gales Ferry System?

EPA lists Ledyard Wpca, Gales Ferry System as owned by a local government. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 64 of the 394 active systems in New London County (16%) are also owned by a local government.

Does Ledyard Wpca, Gales Ferry System have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. The violations listed here began between July 2005 and July 2023. By type: 5 public notice, recordkeeping or other, 2 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 9 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2023-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2020-01-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved
2016-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2007-08-25	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2007-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2007-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2006-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2005-08-10	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2005-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved

All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Ledyard Wpca, Gales Ferry System: frequently asked questions

Who runs Ledyard Wpca, Gales Ferry System?

Ledyard Wpca, Gales Ferry System (PWSID CT0727051) is a community water system owned by a local government. It is regulated by the CT state drinking water program.

How many people does Ledyard Wpca, Gales Ferry System serve?

Ledyard Wpca, Gales Ferry System reports serving 2,369 people through 640 service connections in New London County, Connecticut.

Where does Ledyard Wpca, Gales Ferry System get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Ledyard Wpca, Gales Ferry System have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Ledyard Wpca, Gales Ferry System's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Ledyard Wpca, Gales Ferry System's water quality report?

As a community water system, Ledyard Wpca, Gales Ferry System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in New London County

Water system	County	Population served	Type	Source
Norwich Public Utilities	New London	36,163	Community	Surface water
Groton Utilities	New London	30,200	Community	Surface water
New London Dept. of Public Utilities	New London	27,620	Community	Surface water
Waterford Wpca	New London	16,578	Community	Purchased surface water
East Lyme Water & Sewer Commission	New London	15,245	Community	Purchased surface water
Aquarion-Mystic	New London	10,788	Community	Surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Ledyard Wpca, Gales Ferry System, PWSID CT0727051, Connecticut”, https://aquacensus.com/water-systems/connecticut/ledyard-wpca-gales-ferry-system-ct0727051 (data as of October 1, 2026).