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Public water system · CT1520071

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Waterford Wpca

At a glance

Waterford Wpca (PWSID CT1520071) is an active community water system in New London County, Connecticut. It reports serving 16,578 people through 8,586 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.

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

Population served

16,578

Service connections

8,586

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCT1520071
System typeCommunity water system
Activity statusActive
Population served16,578
Service connections8,586
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyCT state drinking water program
City servedMontville
StateConnecticut
ZIP—
CountyNew London County

How does Waterford Wpca compare with other water systems in New London County?

By EPA's size categories, Waterford Wpca is a large system (10,001 to 100,000 people). New London County has 394 active public water systems, and Waterford Wpca is the 4th-largest of them by population served. Its population served is about 31 times the county average of 532 people per system, and accounts for 7.9% 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 Waterford Wpca is about 147% above 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 Waterford Wpca?

EPA lists Waterford Wpca 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 Waterford Wpca have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between November 2005 and July 2025. By type: 10 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (10 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2023-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2014-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2009-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2008-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-11-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent 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.

Waterford Wpca: frequently asked questions

Who runs Waterford Wpca?

Waterford Wpca (PWSID CT1520071) is a community water system owned by a local government. It is regulated by the CT state drinking water program.

How many people does Waterford Wpca serve?

Waterford Wpca reports serving 16,578 people through 8,586 service connections in New London County, Connecticut.

Where does Waterford Wpca 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 Waterford Wpca have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. 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 Waterford Wpca'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Waterford Wpca's water quality report?

As a community water system, Waterford Wpca 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 systemCountyPopulation servedTypeSource
Norwich Public UtilitiesNew London36,163CommunitySurface water
Groton UtilitiesNew London30,200CommunitySurface water
New London Dept. of Public UtilitiesNew London27,620CommunitySurface water
East Lyme Water & Sewer CommissionNew London15,245CommunityPurchased surface water
Aquarion-MysticNew London10,788CommunitySurface water
Jewett City Water CompanyNew London6,840CommunitySurface water

Related pages

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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, “Waterford Wpca, PWSID CT1520071, Connecticut”, https://aquacensus.com/water-systems/connecticut/waterford-wpca-ct1520071 (data as of October 1, 2026).