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Public water system · NJ2104341

Active

Blairstown Municipal Building

At a glance

Blairstown Municipal Building (PWSID NJ2104341) is an active transient non-community water system in Warren County, New Jersey. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in December 2016.

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

PWSIDNJ2104341
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNJ state drinking water program
City servedBlairstown Twp.-2104
StateNew Jersey
ZIP—
CountyWarren County

How does Blairstown Municipal Building compare with other water systems in Warren County?

By EPA's size categories, Blairstown Municipal Building 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 Blairstown Municipal Building 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. 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 Blairstown Municipal Building?

EPA lists Blairstown Municipal Building 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. 28 of the 219 active systems in Warren County (13%) are also owned by a local government.

Does Blairstown Municipal Building have drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in December 2016. The violations listed here began between January 2007 and December 2016. By type: 3 contaminant level above the legal limit, 2 required treatment not met, 2 monitoring and reporting, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 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
2016-12-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2016-12-02Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2016-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-09-06Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved
2014-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 9 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.

Blairstown Municipal Building: frequently asked questions

Who runs Blairstown Municipal Building?

Blairstown Municipal Building (PWSID NJ2104341) is a transient non-community water system owned by a local government. It is regulated by the NJ state drinking water program.

How many people does Blairstown Municipal Building serve?

Blairstown Municipal Building reports serving 40 people through 1 service connection in Warren County, New Jersey.

Where does Blairstown Municipal Building 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 Blairstown Municipal Building have any drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in December 2016. 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 Blairstown Municipal Building'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 9 violations for this system; 5 are health-based, and the most recent began in December 2016. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find Blairstown Municipal Building's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Blairstown Municipal Building 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, “Blairstown Municipal Building, PWSID NJ2104341, New Jersey”, https://aquacensus.com/water-systems/new-jersey/blairstown-municipal-building-nj2104341 (data as of October 1, 2026).