Public water system · NJ2113303
ActiveKnowlton Twp Elementary
At a glance
Knowlton Twp Elementary (PWSID NJ2113303) is an active non-transient non-community water system in Warren County, New Jersey. It reports serving 250 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Knowlton Twp Elementary compare with other water systems in Warren County?
By EPA's size categories, Knowlton Twp Elementary 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 non-transient non-community water system reports serving 430 people, so Knowlton Twp Elementary is about 42% 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 Knowlton Twp Elementary?
EPA lists Knowlton Twp Elementary 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 Knowlton Twp Elementary have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2019. The violations listed here began between January 2019 and January 2019. By type: 2 monitoring and reporting. The contaminants or rules involved are Ethylene dibromide (EDB) and 1,2-Dibromo-3-chloropropane (DBCP). EPA lists 2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
All 2 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 Elementary: frequently asked questions
Who runs Knowlton Twp Elementary?
Knowlton Twp Elementary (PWSID NJ2113303) is a non-transient non-community water system privately owned. It is regulated by the NJ state drinking water program.
How many people does Knowlton Twp Elementary serve?
Knowlton Twp Elementary reports serving 250 people through 1 service connection in Warren County, New Jersey.
Where does Knowlton Twp Elementary 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 Elementary have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2019. 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 Elementary'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 2 violations for this system; none is health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find Knowlton Twp Elementary's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Knowlton Twp Elementary 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 Warren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nj American Water - Short Hills | Warren + 6 more | 217,230 | Community | Surface water |
| Aqua Nj - Phillipsburg | Warren | 26,686 | Community | Groundwater under influence of surface water |
| Hackettstown Mua | Warren | 22,000 | Community | Groundwater |
| Nj American Water - Washington/Oxford | Warren | 10,719 | Community | Groundwater |
| Allamuchy Twp Water & Sewer | Warren | 5,423 | Community | Groundwater |
| Nj American Water - Belvidere | Warren | 2,854 | Community | Groundwater |
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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, “Knowlton Twp Elementary, PWSID NJ2113303, New Jersey”, https://aquacensus.com/water-systems/new-jersey/knowlton-twp-elementary-nj2113303 (data as of October 1, 2026).