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Public water system · CT1000011

Active

Aquarion-North Canaan

At a glance

Aquarion-North Canaan (PWSID CT1000011) is an active community water system in Litchfield County, Connecticut. It reports serving 1,481 people through 749 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 2021.

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

Population served

1,481

Service connections

749

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT1000011
System typeCommunity water system
Activity statusActive
Population served1,481
Service connections749
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedNorth Canaan
StateConnecticut
ZIP—
CountyLitchfield County

How does Aquarion-North Canaan compare with other water systems in Litchfield County?

By EPA's size categories, Aquarion-North Canaan is a small system (501 to 3,300 people). Litchfield County has 346 active public water systems. Its population served is about 4.4 times the county average of 340 people per system, and accounts for 1.3% 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-North Canaan 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-North Canaan?

EPA lists Aquarion-North Canaan 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-North Canaan have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 2021. The violations listed here began between July 2006 and December 2021. By type: 4 public notice, recordkeeping or other, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 7 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
2021-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-06-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-06-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2020-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

All 7 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-North Canaan: frequently asked questions

Who runs Aquarion-North Canaan?

Aquarion-North Canaan (PWSID CT1000011) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Aquarion-North Canaan serve?

Aquarion-North Canaan reports serving 1,481 people through 749 service connections in Litchfield County, Connecticut.

Where does Aquarion-North Canaan 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-North Canaan have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 2021. 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-North Canaan'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 7 violations for this system; none is health-based, and the most recent began in December 2021. 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-North Canaan's water quality report?

As a community water system, Aquarion-North Canaan 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-North Canaan, PWSID CT1000011, Connecticut”, https://aquacensus.com/water-systems/connecticut/aquarion-north-canaan-ct1000011 (data as of October 1, 2026).