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Public water system · CT1390021

Active

Aquarion-Suffield

At a glance

Aquarion-Suffield (PWSID CT1390021) is an active community water system in Hartford County, Connecticut. It reports serving 595 people through 240 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 July 2019.

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

Population served

595

Service connections

240

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT1390021
System typeCommunity water system
Activity statusActive
Population served595
Service connections240
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedSuffield
StateConnecticut
ZIP—
CountyHartford County

How does Aquarion-Suffield compare with other water systems in Hartford County?

By EPA's size categories, Aquarion-Suffield is a small system (501 to 3,300 people). Hartford County has 219 active public water systems. Its population served is well below the county average of 3,818 people per system, and accounts for less than 0.1% of the 836,032 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-Suffield 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-Suffield?

EPA lists Aquarion-Suffield 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. 179 of the 219 active systems in Hartford County (82%) are also privately owned.

Does Aquarion-Suffield have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2019. The violations listed here began between January 2004 and July 2019. By type: 8 public notice, recordkeeping or other, 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (6 of them). EPA lists 11 as resolved and 1 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
2019-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2015-10-25Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2009-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2007-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2005-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2004-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2004-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2004-03-11Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2004-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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-Suffield: frequently asked questions

Who runs Aquarion-Suffield?

Aquarion-Suffield (PWSID CT1390021) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Aquarion-Suffield serve?

Aquarion-Suffield reports serving 595 people through 240 service connections in Hartford County, Connecticut.

Where does Aquarion-Suffield 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-Suffield 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 July 2019. 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-Suffield'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 July 2019. 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-Suffield's water quality report?

As a community water system, Aquarion-Suffield 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 Hartford County

Water systemCountyPopulation servedTypeSource
Metropolitan District CommissionHartford390,887CommunitySurface water
Ctwc - Northern Reg-Western SystemHartford101,313CommunitySurface water
New Britain Water DepartmentHartford73,534CommunitySurface water
Bristol Water DepartmentHartford52,079CommunitySurface water
Manchester Water DepartmentHartford51,198CommunitySurface water
Southington Water DepartmentHartford43,069CommunitySurface 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, “Aquarion-Suffield, PWSID CT1390021, Connecticut”, https://aquacensus.com/water-systems/connecticut/aquarion-suffield-ct1390021 (data as of October 1, 2026).