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Public water system · CT0509033

Active

Middlesex Hospital Phys Rehab&Occup. Med

At a glance

Middlesex Hospital Phys Rehab&Occup. Med (PWSID CT0509033) is an active transient non-community water system in Middlesex County, Connecticut. It reports serving 40 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, none is health-based, and the most recent began in January 2025.

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

Population served

40

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT0509033
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedEssex
StateConnecticut
ZIP—
CountyMiddlesex County

How does Middlesex Hospital Phys Rehab&Occup. Med compare with other water systems in Middlesex County?

By EPA's size categories, Middlesex Hospital Phys Rehab&Occup. Med 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 Middlesex Hospital Phys Rehab&Occup. Med 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 Middlesex Hospital Phys Rehab&Occup. Med?

EPA lists Middlesex Hospital Phys Rehab&Occup. Med 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. 223 of the 277 active systems in Middlesex County (81%) are also privately owned.

Does Middlesex Hospital Phys Rehab&Occup. Med have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2008 and January 2025. By type: 8 monitoring and reporting and 4 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2025-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2023-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2018-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2009-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved

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.

Middlesex Hospital Phys Rehab&Occup. Med: frequently asked questions

Who runs Middlesex Hospital Phys Rehab&Occup. Med?

Middlesex Hospital Phys Rehab&Occup. Med (PWSID CT0509033) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Middlesex Hospital Phys Rehab&Occup. Med serve?

Middlesex Hospital Phys Rehab&Occup. Med reports serving 40 people through 1 service connection in Middlesex County, Connecticut.

Where does Middlesex Hospital Phys Rehab&Occup. Med 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 Middlesex Hospital Phys Rehab&Occup. Med have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. 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 Middlesex Hospital Phys Rehab&Occup. Med'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, none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Middlesex Hospital Phys Rehab&Occup. Med's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Middlesex Hospital Phys Rehab&Occup. Med 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, “Middlesex Hospital Phys Rehab&Occup. Med, PWSID CT0509033, Connecticut”, https://aquacensus.com/water-systems/connecticut/middlesex-hospital-phys-rehab-occup-med-ct0509033 (data as of October 1, 2026).