Skip to content
AquaCensus

Public water system · NJ2113339

Active

Knowlton Twp Recreation Park

At a glance

Knowlton Twp Recreation Park (PWSID NJ2113339) is an active transient non-community water system in Warren County, New Jersey. It reports serving 85 people through 1 service connection. 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, 8 are health-based, and the most recent began in April 2021.

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

Population served

85

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNJ2113339
System typeTransient non-community water system
Activity statusActive
Population served85
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNJ state drinking water program
City servedKnowlton Twp.-2113
StateNew Jersey
ZIP—
CountyWarren County

How does Knowlton Twp Recreation Park compare with other water systems in Warren County?

By EPA's size categories, Knowlton Twp Recreation Park 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 Knowlton Twp Recreation Park is about 41% 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 Knowlton Twp Recreation Park?

EPA lists Knowlton Twp Recreation Park 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 Knowlton Twp Recreation Park have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2021. The violations listed here began between October 2007 and April 2021. By type: 5 contaminant level above the legal limit, 3 required treatment not met, 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 12 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
2021-04-02Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2019-03-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-02-02Required treatment not metFailure To Address Contamination · code 48Groundwater Rulecode 0700YesResolved
2018-11-17Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2018-11-02Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved
2018-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2015-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Knowlton Twp Recreation Park: frequently asked questions

Who runs Knowlton Twp Recreation Park?

Knowlton Twp Recreation Park (PWSID NJ2113339) 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 Knowlton Twp Recreation Park serve?

Knowlton Twp Recreation Park reports serving 85 people through 1 service connection in Warren County, New Jersey.

Where does Knowlton Twp Recreation Park 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 Knowlton Twp Recreation Park have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 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 Knowlton Twp Recreation Park'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, 8 are health-based, and the most recent began in April 2021. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find Knowlton Twp Recreation Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Knowlton Twp Recreation Park 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

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Knowlton Twp Recreation Park, PWSID NJ2113339, New Jersey”, https://aquacensus.com/water-systems/new-jersey/knowlton-twp-recreation-park-nj2113339 (data as of October 1, 2026).