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Public water system · NJ1813315

Active

Princeton Mont Soc Inc.

At a glance

Princeton Mont Soc Inc. (PWSID NJ1813315) is an active non-transient non-community water system in Somerset County, New Jersey. It reports serving 355 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2021.

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

Population served

355

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNJ1813315
System typeNon-transient non-community water system
Activity statusActive
Population served355
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNJ state drinking water program
City servedMontgomery Twp.-1813
StateNew Jersey
ZIP—
CountySomerset County

How does Princeton Mont Soc Inc. compare with other water systems in Somerset County?

By EPA's size categories, Princeton Mont Soc Inc. is a very small system (500 people or fewer). Somerset County has 91 active public water systems. Its population served is about 55% below the county average of 797 people per system, and accounts for 0.5% of the 72,559 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 non-transient non-community water system reports serving 430 people, so Princeton Mont Soc Inc. is about 17% below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New Jersey has 637 active non-transient non-community water systems, 18% 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 Princeton Mont Soc Inc.?

EPA lists Princeton Mont Soc Inc. 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. 71 of the 91 active systems in Somerset County (78%) are also privately owned.

Does Princeton Mont Soc Inc. have drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2021. The violations listed here began between January 1994 and January 2021. By type: 5 monitoring and reporting, 2 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 8 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
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2020-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2018-07-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2018-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2010-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-01-02Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 8 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.

Princeton Mont Soc Inc.: frequently asked questions

Who runs Princeton Mont Soc Inc.?

Princeton Mont Soc Inc. (PWSID NJ1813315) is a non-transient non-community water system privately owned. It is regulated by the NJ state drinking water program.

How many people does Princeton Mont Soc Inc. serve?

Princeton Mont Soc Inc. reports serving 355 people through 1 service connection in Somerset County, New Jersey.

Where does Princeton Mont Soc 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 Princeton Mont Soc Inc. have any drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2021. 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 Princeton Mont Soc 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. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2021. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find Princeton Mont Soc Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Princeton Mont Soc Inc. is a non-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 Somerset County

Water systemCountyPopulation servedTypeSource
Franklin Township Dept of Public WorksSomerset57,150CommunityPurchased surface water
Duke Island ParkSomerset1,506Transient non-communityGroundwater
Dewitt Cabin and PoolSomerset805Transient non-communityGroundwater
Far Hills Country Day SchoolSomerset700Non-transient non-communityGroundwater
Rocky Hill W DeptSomerset687CommunityGroundwater
Hillsborough Board of EducationSomerset540Non-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, “Princeton Mont Soc Inc., PWSID NJ1813315, New Jersey”, https://aquacensus.com/water-systems/new-jersey/princeton-mont-soc-inc-nj1813315 (data as of October 1, 2026).