Public water system · NJ1902312
ActiveHillside Park
At a glance
Hillside Park (PWSID NJ1902312) is an active transient non-community water system in Sussex County, New Jersey. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hillside Park compare with other water systems in Sussex County?
By EPA's size categories, Hillside Park is a very small system (500 people or fewer). Sussex County has 476 active public water systems. Its population served is well below the county average of 425 people per system, and accounts for less than 0.1% 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 transient non-community water system reports serving 144 people, so Hillside Park 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 Hillside Park?
EPA lists Hillside 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. 71 of the 476 active systems in Sussex County (15%) are also owned by a local government.
Does Hillside Park have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2020. The violations listed here began between July 2015 and October 2020. By type: 1 reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2020-10-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Hillside Park: frequently asked questions
Who runs Hillside Park?
Hillside Park (PWSID NJ1902312) 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 Hillside Park serve?
Hillside Park reports serving 25 people through 2 service connections in Sussex County, New Jersey.
Where does Hillside 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 Hillside Park have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2020. 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 Hillside 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. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2020. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find Hillside Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hillside 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 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, “Hillside Park, PWSID NJ1902312, New Jersey”, https://aquacensus.com/water-systems/new-jersey/hillside-park-nj1902312 (data as of October 1, 2026).