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Public water system · CT1500341

Active

Aquarion-Quarry Ridge

At a glance

Aquarion-Quarry Ridge (PWSID CT1500341) is an active community water system in Litchfield County, Connecticut. It reports serving 84 people through 40 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, none is health-based, and the most recent began in January 2024.

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

Population served

84

Service connections

40

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT1500341
System typeCommunity water system
Activity statusActive
Population served84
Service connections40
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedWashington
StateConnecticut
ZIP—
CountyLitchfield County

How does Aquarion-Quarry Ridge compare with other water systems in Litchfield County?

By EPA's size categories, Aquarion-Quarry Ridge is a very small system (500 people or fewer). Litchfield County has 346 active public water systems. Its population served is well below the county average of 340 people per system, and accounts for less than 0.1% of the 117,512 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 Aquarion-Quarry Ridge 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 Aquarion-Quarry Ridge?

EPA lists Aquarion-Quarry Ridge 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. 297 of the 346 active systems in Litchfield County (86%) are also privately owned.

Does Aquarion-Quarry Ridge have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between January 2024 and January 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Oxamyl, Di(2-ethylhexyl) adipate, Hexachlorocyclopentadiene and Methoxychlor. 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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorocyclopentadienecode 2042NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Methoxychlorcode 2015NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved

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.

Aquarion-Quarry Ridge: frequently asked questions

Who runs Aquarion-Quarry Ridge?

Aquarion-Quarry Ridge (PWSID CT1500341) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Aquarion-Quarry Ridge serve?

Aquarion-Quarry Ridge reports serving 84 people through 40 service connections in Litchfield County, Connecticut.

Where does Aquarion-Quarry Ridge 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 Aquarion-Quarry Ridge 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 January 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 Aquarion-Quarry Ridge'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 January 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 Aquarion-Quarry Ridge's water quality report?

As a community water system, Aquarion-Quarry Ridge 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 Litchfield County

Water systemCountyPopulation servedTypeSource
Torrington Water CompanyLitchfield37,915CommunitySurface water
Watertown Water & Sewer AuthorityLitchfield9,972CommunityPurchased surface water
Winsted Water WorksLitchfield7,784CommunitySurface water
Watertown Fire DistrictLitchfield6,718CommunityGroundwater
Ctwc - Naugatuck Reg-Terryville SystemLitchfield5,607CommunityGroundwater
Ctwc - Naugatuck Reg-Thomaston SystemLitchfield3,789CommunityGroundwater

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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, “Aquarion-Quarry Ridge, PWSID CT1500341, Connecticut”, https://aquacensus.com/water-systems/connecticut/aquarion-quarry-ridge-ct1500341 (data as of October 1, 2026).