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Public water system · CT0780121

Active

Ctwc - Birchwood Heights

At a glance

Ctwc - Birchwood Heights (PWSID CT0780121) is an active community water system in Tolland County, Connecticut. It reports serving 76 people through 21 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, 9 are health-based, and the most recent began in September 2005.

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

Population served

76

Service connections

21

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT0780121
System typeCommunity water system
Activity statusActive
Population served76
Service connections21
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedMansfield
StateConnecticut
ZIP—
CountyTolland County

How does Ctwc - Birchwood Heights compare with other water systems in Tolland County?

By EPA's size categories, Ctwc - Birchwood Heights is a very small system (500 people or fewer). Tolland County has 296 active public water systems. Its population served is about 62% below the county average of 202 people per system, and accounts for 0.1% of the 59,796 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 Ctwc - Birchwood Heights 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 Ctwc - Birchwood Heights?

EPA lists Ctwc - Birchwood Heights 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. 253 of the 296 active systems in Tolland County (85%) are also privately owned.

Does Ctwc - Birchwood Heights have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in September 2005. The violations listed here began between December 1994 and September 2005. By type: 9 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (12 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
2005-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-11-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1996-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1995-10-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1994-12-01Contaminant 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.

Ctwc - Birchwood Heights: frequently asked questions

Who runs Ctwc - Birchwood Heights?

Ctwc - Birchwood Heights (PWSID CT0780121) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Ctwc - Birchwood Heights serve?

Ctwc - Birchwood Heights reports serving 76 people through 21 service connections in Tolland County, Connecticut.

Where does Ctwc - Birchwood Heights 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 Ctwc - Birchwood Heights have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in September 2005. 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 Ctwc - Birchwood Heights' 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, 9 are health-based, and the most recent began in September 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Ctwc - Birchwood Heights' water quality report?

As a community water system, Ctwc - Birchwood Heights 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 Tolland County

Water systemCountyPopulation servedTypeSource
University of Connecticut - Main CampusTolland27,199CommunityPurchased surface water
Ctwc - Hebron Center DivisionTolland1,927CommunityGroundwater
Coventry High & Nathan Hale SchoolsTolland1,252Non-transient non-communityGroundwater
Tolland Water DepartmentTolland1,251CommunityGroundwater
Ctwc - Amston Lake DivisionTolland910CommunityGroundwater
Horace Porter SchoolTolland797Non-transient non-communityGroundwater

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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, “Ctwc - Birchwood Heights, PWSID CT0780121, Connecticut”, https://aquacensus.com/water-systems/connecticut/ctwc-birchwood-heights-ct0780121 (data as of October 1, 2026).