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Public water system · CT1050011

Active

Chadwick Homeowners Assn., Inc..

At a glance

Chadwick Homeowners Assn., Inc.. (PWSID CT1050011) is an active community water system in New London County, Connecticut. It reports serving 292 people through 73 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.

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

Population served

292

Service connections

73

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT1050011
System typeCommunity water system
Activity statusActive
Population served292
Service connections73
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedOld Lyme
StateConnecticut
ZIP—
CountyNew London County

How does Chadwick Homeowners Assn., Inc.. compare with other water systems in New London County?

By EPA's size categories, Chadwick Homeowners Assn., Inc.. is a very small system (500 people or fewer). New London County has 394 active public water systems. Its population served is about half of the county average of 532 people per system, and accounts for 0.1% 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 Chadwick Homeowners Assn., Inc.. is well 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.

Who owns and regulates Chadwick Homeowners Assn., Inc..?

EPA lists Chadwick Homeowners Assn., Inc.. 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 Chadwick Homeowners Assn., Inc.. have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between January 2011 and October 2024. By type: 6 public notice, recordkeeping or other, 4 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2022-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2018-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2015-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2011-01-30Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved

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.

Chadwick Homeowners Assn., Inc..: frequently asked questions

Who runs Chadwick Homeowners Assn., Inc..?

Chadwick Homeowners Assn., Inc.. (PWSID CT1050011) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Chadwick Homeowners Assn., Inc.. serve?

Chadwick Homeowners Assn., Inc.. reports serving 292 people through 73 service connections in New London County, Connecticut.

Where does Chadwick Homeowners Assn., Inc.. get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Chadwick Homeowners Assn., Inc.. have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. 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 Chadwick Homeowners Assn., Inc..'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, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Chadwick Homeowners Assn., Inc..'s water quality report?

As a community water system, Chadwick Homeowners Assn., Inc.. 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

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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, “Chadwick Homeowners Assn., Inc.., PWSID CT1050011, Connecticut”, https://aquacensus.com/water-systems/connecticut/chadwick-homeowners-assn-inc-ct1050011 (data as of October 1, 2026).