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Public water system · NJ1213002

Active

Monroe Twp Utility Department

At a glance

Monroe Twp Utility Department (PWSID NJ1213002) is an active community water system in Middlesex County, New Jersey. It reports serving 36,000 people through 22,379 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.

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

Population served

36,000

Service connections

22,379

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNJ1213002
System typeCommunity water system
Activity statusActive
Population served36,000
Service connections22,379
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNJ state drinking water program
City servedMonroe Twp.-1213
StateNew Jersey
ZIP—
CountyMiddlesex County

How does Monroe Twp Utility Department compare with other water systems in Middlesex County?

By EPA's size categories, Monroe Twp Utility Department is a large system (10,001 to 100,000 people). Middlesex County has 36 active public water systems. Its population served is about 81% above the county average of 19,870 people per system, and accounts for 5% of the 715,306 people reported by systems filed under the county. Across New Jersey, the 3,496 active systems average 2,750 people each. Nationally, the average active community water system reports serving 6,703 people, so Monroe Twp Utility Department is about 5.4 times 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. New Jersey has 582 active community water systems, 17% of the state's 3,496 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,313 New Jersey systems (95%) list groundwater as their primary source.

Who owns and regulates Monroe Twp Utility Department?

EPA lists Monroe Twp Utility Department as owned by a local government. The NJ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 36 active systems in Middlesex County (42%) are also owned by a local government.

Does Monroe Twp Utility Department have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between July 2024 and July 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Combined Uranium (3 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
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved

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.

Monroe Twp Utility Department: frequently asked questions

Who runs Monroe Twp Utility Department?

Monroe Twp Utility Department (PWSID NJ1213002) is a community water system owned by a local government. It is regulated by the NJ state drinking water program.

How many people does Monroe Twp Utility Department serve?

Monroe Twp Utility Department reports serving 36,000 people through 22,379 service connections in Middlesex County, New Jersey.

Where does Monroe Twp Utility Department 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 Monroe Twp Utility Department 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 July 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 Monroe Twp Utility Department'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 July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.

Where can I find Monroe Twp Utility Department's water quality report?

As a community water system, Monroe Twp Utility Department 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 Middlesex County

Water systemCountyPopulation servedTypeSource
Middlesex Water CompanyMiddlesex233,376CommunitySurface water
Old Bridge MuaMiddlesex68,000CommunityPurchased surface water
New Brunswick W DeptMiddlesex55,000CommunitySurface water
Perth Amboy Water DepartmentMiddlesex52,328CommunityGroundwater under influence of surface water
East Brunswick Water UtilityMiddlesex49,715CommunityPurchased surface water
South Brunswick Twp W DiMiddlesex + 1 more45,450CommunityPurchased surface 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, “Monroe Twp Utility Department, PWSID NJ1213002, New Jersey”, https://aquacensus.com/water-systems/new-jersey/monroe-twp-utility-department-nj1213002 (data as of October 1, 2026).