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Public water system · CT0791001

Active

Marlborough Health Care Center, Inc.

At a glance

Marlborough Health Care Center, Inc. (PWSID CT0791001) is an active community water system in Hartford County, Connecticut. It reports serving 165 people through 1 service connection. 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 October 2024.

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

Population served

165

Service connections

1

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT0791001
System typeCommunity water system
Activity statusActive
Population served165
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedMarlborough
StateConnecticut
ZIP—
CountyHartford County

How does Marlborough Health Care Center, Inc. compare with other water systems in Hartford County?

By EPA's size categories, Marlborough Health Care Center, Inc. is a very small system (500 people or fewer). 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 Marlborough Health Care Center, Inc. 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 Marlborough Health Care Center, Inc.?

EPA lists Marlborough Health Care Center, Inc. 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 Marlborough Health Care Center, Inc. have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between October 2017 and October 2024. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 10 as resolved and 2 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
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2019-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2019-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2019-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2019-01-13Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-01-13Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2018-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2018-08-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved

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.

Marlborough Health Care Center, Inc.: frequently asked questions

Who runs Marlborough Health Care Center, Inc.?

Marlborough Health Care Center, Inc. (PWSID CT0791001) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Marlborough Health Care Center, Inc. serve?

Marlborough Health Care Center, Inc. reports serving 165 people through 1 service connection in Hartford County, Connecticut.

Where does Marlborough Health Care Center, Inc. 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 Marlborough Health Care Center, Inc. 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 October 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 Marlborough Health Care Center, Inc.'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 October 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 Marlborough Health Care Center, Inc.'s water quality report?

As a community water system, Marlborough Health Care Center, Inc. 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, “Marlborough Health Care Center, Inc., PWSID CT0791001, Connecticut”, https://aquacensus.com/water-systems/connecticut/marlborough-health-care-center-inc-ct0791001 (data as of October 1, 2026).