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Public water system · CT0700204

Active

Killingworth Town Hall

At a glance

Killingworth Town Hall (PWSID CT0700204) is an active transient non-community water system in Middlesex County, Connecticut. It reports serving 25 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2015.

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

Population served

25

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT0700204
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections4
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCT state drinking water program
City servedKillingworth
StateConnecticut
ZIP—
CountyMiddlesex County

How does Killingworth Town Hall compare with other water systems in Middlesex County?

By EPA's size categories, Killingworth Town Hall is a very small system (500 people or fewer). Middlesex County has 277 active public water systems. Its population served is well below the county average of 353 people per system, and accounts for less than 0.1% of the 97,777 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Killingworth Town Hall is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Connecticut has 1,399 active transient non-community water systems, 59% 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 Killingworth Town Hall?

EPA lists Killingworth Town Hall as owned by a local government. 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. 45 of the 277 active systems in Middlesex County (16%) are also owned by a local government.

Does Killingworth Town Hall have drinking water violations?

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2015. The violations listed here began between January 2002 and October 2015. By type: 5 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 9 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
2015-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2015-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2015-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-11-14Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2004-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-07-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved

All 9 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.

Killingworth Town Hall: frequently asked questions

Who runs Killingworth Town Hall?

Killingworth Town Hall (PWSID CT0700204) is a transient non-community water system owned by a local government. It is regulated by the CT state drinking water program.

How many people does Killingworth Town Hall serve?

Killingworth Town Hall reports serving 25 people through 4 service connections in Middlesex County, Connecticut.

Where does Killingworth Town Hall 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 Killingworth Town Hall have any drinking water violations?

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2015. 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 Killingworth Town Hall'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 9 violations for this system; 3 are health-based, and the most recent began in October 2015. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Killingworth Town Hall's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Killingworth Town Hall is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Middlesex County

Water systemCountyPopulation servedTypeSource
Middletown Water DepartmentMiddlesex41,019CommunitySurface water
Cromwell Fire District Water DepartmentMiddlesex14,316CommunityGroundwater
Ctwc - Shoreline Region-Chester SystemMiddlesex5,030CommunitySurface water
Portland Water DepartmentMiddlesex5,010CommunityPurchased surface water
Connecticut Valley HospitalMiddlesex2,928CommunitySurface water
Pratt & WhitneyMiddlesex2,800Non-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, “Killingworth Town Hall, PWSID CT0700204, Connecticut”, https://aquacensus.com/water-systems/connecticut/killingworth-town-hall-ct0700204 (data as of October 1, 2026).