Skip to content
AquaCensus

Public water system · CT0590051

Active

Groton Long Point Association

At a glance

Groton Long Point Association (PWSID CT0590051) is an active community water system in New London County, Connecticut. It reports serving 2,400 people through 633 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2025.

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

Population served

2,400

Service connections

633

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCT0590051
System typeCommunity water system
Activity statusActive
Population served2,400
Service connections633
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCT state drinking water program
City servedGroton
StateConnecticut
ZIP—
CountyNew London County

How does Groton Long Point Association compare with other water systems in New London County?

By EPA's size categories, Groton Long Point Association 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 Groton Long Point Association is about 64% 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 Groton Long Point Association?

EPA lists Groton Long Point Association as privately owned. 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. 320 of the 394 active systems in New London County (81%) are also privately owned.

Does Groton Long Point Association have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2025. The violations listed here began between January 2021 and September 2025. By type: 7 public notice, recordkeeping or other and 5 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (5 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
2025-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2025-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
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
2024-03-31Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2021-09-23Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2021-03-13Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

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.

Groton Long Point Association: frequently asked questions

Who runs Groton Long Point Association?

Groton Long Point Association (PWSID CT0590051) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Groton Long Point Association serve?

Groton Long Point Association reports serving 2,400 people through 633 service connections in New London County, Connecticut.

Where does Groton Long Point Association 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 Groton Long Point Association 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 September 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 Groton Long Point Association'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 September 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 Groton Long Point Association's water quality report?

As a community water system, Groton Long Point Association 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
Waterford WpcaNew London16,578CommunityPurchased surface water
East Lyme Water & Sewer CommissionNew London15,245CommunityPurchased surface water
Aquarion-MysticNew London10,788CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Groton Long Point Association, PWSID CT0590051, Connecticut”, https://aquacensus.com/water-systems/connecticut/groton-long-point-association-ct0590051 (data as of October 1, 2026).