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Public water system · NJ1421353

Active

3 Mars Court

At a glance

3 Mars Court (PWSID NJ1421353) is an active transient non-community water system in Morris County, New Jersey. It reports serving 105 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 2024.

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

Population served

105

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNJ1421353
System typeTransient non-community water system
Activity statusActive
Population served105
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNJ state drinking water program
City servedMontville Twp.-1421
StateNew Jersey
ZIP—
CountyMorris County

How does 3 Mars Court compare with other water systems in Morris County?

By EPA's size categories, 3 Mars Court is a very small system (500 people or fewer). Morris County has 302 active public water systems. Its population served is well below the county average of 1,490 people per system, and accounts for less than 0.1% of the 449,898 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 transient non-community water system reports serving 144 people, so 3 Mars Court is about 27% 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. New Jersey has 2,277 active transient non-community water systems, 65% 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 3 Mars Court?

EPA lists 3 Mars Court as privately owned. 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. 228 of the 302 active systems in Morris County (75%) are also privately owned.

Does 3 Mars Court have drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 2024. The violations listed here began between August 2024 and September 2024. By type: 1 reporting, 1 required treatment not met, 1 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 4 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
2024-09-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2024-08-27Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2024-08-08Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2024-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 4 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.

3 Mars Court: frequently asked questions

Who runs 3 Mars Court?

3 Mars Court (PWSID NJ1421353) is a transient non-community water system privately owned. It is regulated by the NJ state drinking water program.

How many people does 3 Mars Court serve?

3 Mars Court reports serving 105 people through 1 service connection in Morris County, New Jersey.

Where does 3 Mars Court 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 3 Mars Court have any drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 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 3 Mars Court'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 4 violations for this system; 1 is health-based, and the most recent began in September 2024. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find 3 Mars Court's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 3 Mars Court 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 Morris County

Water systemCountyPopulation servedTypeSource
Southeast Morris County MuaMorris62,349CommunitySurface water
Parsippany-Troy Hills Water DepartmentMorris50,400CommunityPurchased surface water
Dover Water CommissionMorris27,806CommunityGroundwater
Montville Twp MuaMorris22,000CommunityPurchased surface water
Denville Twp Water DeptMorris15,881CommunityGroundwater
Madison Water DeptMorris15,820CommunityGroundwater

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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, “3 Mars Court, PWSID NJ1421353, New Jersey”, https://aquacensus.com/water-systems/new-jersey/3-mars-court-nj1421353 (data as of October 1, 2026).