Public water system · NJ1911343
ActiveHardyston Twp Middle School
At a glance
Hardyston Twp Middle School (PWSID NJ1911343) is an active non-transient non-community water system in Sussex County, New Jersey. It reports serving 360 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 one violation for this system; it is not health-based, and the most recent began in July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
360
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Hardyston Twp Middle School compare with other water systems in Sussex County?
By EPA's size categories, Hardyston Twp Middle School is a very small system (500 people or fewer). Sussex County has 476 active public water systems. Its population served is about 15% below the county average of 425 people per system, and accounts for 0.2% of the 202,506 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 Hardyston Twp Middle School is about 16% 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 Hardyston Twp Middle School?
EPA lists Hardyston Twp Middle School 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. 71 of the 476 active systems in Sussex County (15%) are also owned by a local government.
Does Hardyston Twp Middle School have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2017. By type: 1 monitoring and reporting. The contaminant or rule involved is Chlorine. EPA lists 1 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 |
|---|---|---|---|---|
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
The one violation in EPA's records.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.
Hardyston Twp Middle School: frequently asked questions
Who runs Hardyston Twp Middle School?
Hardyston Twp Middle School (PWSID NJ1911343) is a non-transient non-community water system owned by a local government. It is regulated by the NJ state drinking water program.
How many people does Hardyston Twp Middle School serve?
Hardyston Twp Middle School reports serving 360 people through 1 service connection in Sussex County, New Jersey.
Where does Hardyston Twp Middle School 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 Hardyston Twp Middle School have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2017. 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 Hardyston Twp Middle School'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 one violation for this system; it is not health-based, and the most recent began in July 2017. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find Hardyston Twp Middle School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hardyston Twp Middle School 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 Sussex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sparta Twp Water Utility - Lake Mohawk | Sussex | 17,625 | Community | Groundwater |
| Newton Water & Sewer Utility | Sussex | 8,300 | Community | Surface water |
| Hopatcong Water Dept | Sussex | 7,224 | Community | Groundwater |
| Sussex County Fairgrounds | Sussex | 6,246 | Transient non-community | Groundwater |
| Veolia Water New Jersey Vernon Valley | Sussex | 5,517 | Community | Groundwater |
| Franklin Bd of Public Works | Sussex | 5,500 | 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, “Hardyston Twp Middle School, PWSID NJ1911343, New Jersey”, https://aquacensus.com/water-systems/new-jersey/hardyston-twp-middle-school-nj1911343 (data as of October 1, 2026).