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AquaCensus

Public water system · NJ2122332

Active

297 Rt 31 South LLC

At a glance

297 Rt 31 South LLC (PWSID NJ2122332) is an active transient non-community water system in Warren County, New Jersey. It reports serving 60 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; all are health-based, and the most recent began in October 2023.

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

Population served

60

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNJ2122332
System typeTransient non-community water system
Activity statusActive
Population served60
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNJ state drinking water program
City servedWashington Twp.-2122
StateNew Jersey
ZIP—
CountyWarren County

How does 297 Rt 31 South LLC compare with other water systems in Warren County?

By EPA's size categories, 297 Rt 31 South LLC is a very small system (500 people or fewer). Warren County has 219 active public water systems. Its population served is well below the county average of 1,491 people per system, and accounts for less than 0.1% of the 326,592 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 297 Rt 31 South LLC is about 58% 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 297 Rt 31 South LLC?

EPA lists 297 Rt 31 South LLC 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. 177 of the 219 active systems in Warren County (81%) are also privately owned.

Does 297 Rt 31 South LLC have drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in October 2023. The violations listed here began between July 2019 and October 2023. By type: 3 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (4 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
2023-10-22Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved
2019-10-17Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesResolved
2019-10-17Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesResolved
2019-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved

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.

297 Rt 31 South LLC: frequently asked questions

Who runs 297 Rt 31 South LLC?

297 Rt 31 South LLC (PWSID NJ2122332) is a transient non-community water system privately owned. It is regulated by the NJ state drinking water program.

How many people does 297 Rt 31 South LLC serve?

297 Rt 31 South LLC reports serving 60 people through 1 service connection in Warren County, New Jersey.

Where does 297 Rt 31 South LLC 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 297 Rt 31 South LLC have any drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in October 2023. 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 297 Rt 31 South LLC'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; all are health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find 297 Rt 31 South LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 297 Rt 31 South LLC 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 Warren County

Water systemCountyPopulation servedTypeSource
Nj American Water - Short HillsWarren + 6 more217,230CommunitySurface water
Aqua Nj - PhillipsburgWarren26,686CommunityGroundwater under influence of surface water
Hackettstown MuaWarren22,000CommunityGroundwater
Nj American Water - Washington/OxfordWarren10,719CommunityGroundwater
Allamuchy Twp Water & SewerWarren5,423CommunityGroundwater
Nj American Water - BelvidereWarren2,854CommunityGroundwater

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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, “297 Rt 31 South LLC, PWSID NJ2122332, New Jersey”, https://aquacensus.com/water-systems/new-jersey/297-rt-31-south-llc-nj2122332 (data as of October 1, 2026).