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Public water system · NJ2104001

Active

Township of Blairstown Dpw

At a glance

Township of Blairstown Dpw (PWSID NJ2104001) is an active community water system in Warren County, New Jersey. It reports serving 800 people through 214 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 December 2023.

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

Population served

800

Service connections

214

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNJ2104001
System typeCommunity water system
Activity statusActive
Population served800
Service connections214
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNJ state drinking water program
City servedBlairstown Twp.-2104
StateNew Jersey
ZIP—
CountyWarren County

How does Township of Blairstown Dpw compare with other water systems in Warren County?

By EPA's size categories, Township of Blairstown Dpw is a small system (501 to 3,300 people). Warren County has 219 active public water systems. Its population served is about half of the county average of 1,491 people per system, and accounts for 0.2% 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 community water system reports serving 6,703 people, so Township of Blairstown Dpw is well below 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 Township of Blairstown Dpw?

EPA lists Township of Blairstown Dpw 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 Township of Blairstown Dpw have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023. The violations listed here began between January 2014 and December 2023. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2023-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoUnaddressed
2020-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dibromo-3-chloropropane (DBCP)code 2931NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoResolved
2017-06-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2017-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2015-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved

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.

Township of Blairstown Dpw: frequently asked questions

Who runs Township of Blairstown Dpw?

Township of Blairstown Dpw (PWSID NJ2104001) is a community water system owned by a local government. It is regulated by the NJ state drinking water program.

How many people does Township of Blairstown Dpw serve?

Township of Blairstown Dpw reports serving 800 people through 214 service connections in Warren County, New Jersey.

Where does Township of Blairstown Dpw 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 Township of Blairstown Dpw 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 December 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 Township of Blairstown Dpw'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 December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.

Where can I find Township of Blairstown Dpw's water quality report?

As a community water system, Township of Blairstown Dpw 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 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, “Township of Blairstown Dpw, PWSID NJ2104001, New Jersey”, https://aquacensus.com/water-systems/new-jersey/township-of-blairstown-dpw-nj2104001 (data as of October 1, 2026).