Public water system · NJ1805401
ActiveNeshanic Valley Maintenance
At a glance
Neshanic Valley Maintenance (PWSID NJ1805401) is an active transient non-community water system in Somerset County, New Jersey. It reports serving 31 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 5 violations for this system; 2 are health-based, and the most recent began in August 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Neshanic Valley Maintenance compare with other water systems in Somerset County?
By EPA's size categories, Neshanic Valley Maintenance is a very small system (500 people or fewer). Somerset County has 91 active public water systems. Its population served is well below the county average of 797 people per system, and accounts for less than 0.1% of the 72,559 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 Neshanic Valley Maintenance 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 Neshanic Valley Maintenance?
EPA lists Neshanic Valley Maintenance 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. 20 of the 91 active systems in Somerset County (22%) are also owned by a local government.
Does Neshanic Valley Maintenance have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in August 2015. The violations listed here began between July 2013 and August 2015. By type: 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-07-28 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2015-07-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Neshanic Valley Maintenance: frequently asked questions
Who runs Neshanic Valley Maintenance?
Neshanic Valley Maintenance (PWSID NJ1805401) 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 Neshanic Valley Maintenance serve?
Neshanic Valley Maintenance reports serving 31 people through 1 service connection in Somerset County, New Jersey.
Where does Neshanic Valley Maintenance 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 Neshanic Valley Maintenance have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in August 2015. 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 Neshanic Valley Maintenance'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 5 violations for this system; 2 are health-based, and the most recent began in August 2015. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find Neshanic Valley Maintenance's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Neshanic Valley Maintenance 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 Somerset County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Franklin Township Dept of Public Works | Somerset | 57,150 | Community | Purchased surface water |
| Duke Island Park | Somerset | 1,506 | Transient non-community | Groundwater |
| Dewitt Cabin and Pool | Somerset | 805 | Transient non-community | Groundwater |
| Far Hills Country Day School | Somerset | 700 | Non-transient non-community | Groundwater |
| Rocky Hill W Dept | Somerset | 687 | Community | Groundwater |
| Hillsborough Board of Education | Somerset | 540 | Non-transient non-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, “Neshanic Valley Maintenance, PWSID NJ1805401, New Jersey”, https://aquacensus.com/water-systems/new-jersey/neshanic-valley-maintenance-nj1805401 (data as of October 1, 2026).