Public water system · NJ0323001
ActiveNj American Water - Mount Holly
At a glance
Nj American Water - Mount Holly (PWSID NJ0323001) is an active community water system in Burlington County, New Jersey. It reports serving 47,427 people through 14,295 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
47,427
Service connections
14,295
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Nj American Water - Mount Holly compare with other water systems in Burlington County?
By EPA's size categories, Nj American Water - Mount Holly is a large system (10,001 to 100,000 people). Burlington County has 292 active public water systems, and Nj American Water - Mount Holly is the 2nd-largest of them by population served. Its population served is about 20 times the county average of 2,358 people per system, and accounts for 6.9% of the 688,541 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 community water system reports serving 6,703 people, so Nj American Water - Mount Holly is about 7.1 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New Jersey has 582 active community water systems, 17% of the state's 3,496 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 128 New Jersey systems (3.7%) list purchased surface water as their primary source.
Who owns and regulates Nj American Water - Mount Holly?
EPA lists Nj American Water - Mount Holly 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. 210 of the 292 active systems in Burlington County (72%) are also privately owned.
Does Nj American Water - Mount Holly have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2016. The violations listed here began between October 1998 and July 2016. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper 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 |
|---|---|---|---|---|
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1998-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | 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.
Nj American Water - Mount Holly: frequently asked questions
Who runs Nj American Water - Mount Holly?
Nj American Water - Mount Holly (PWSID NJ0323001) is a community water system privately owned. It is regulated by the NJ state drinking water program.
How many people does Nj American Water - Mount Holly serve?
Nj American Water - Mount Holly reports serving 47,427 people through 14,295 service connections in Burlington County, New Jersey.
Where does Nj American Water - Mount Holly get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Nj American Water - Mount Holly have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2016. 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 Nj American Water - Mount Holly'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; none is health-based, and the most recent began in July 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.
Where can I find Nj American Water - Mount Holly's water quality report?
As a community water system, Nj American Water - Mount Holly must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Burlington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nj American Water - Western | Burlington + 1 more | 274,291 | Community | Surface water |
| Evesham Mua | Burlington | 45,538 | Community | Purchased surface water |
| Mt Laurel Twp Mua | Burlington | 41,743 | Community | Purchased surface water |
| Willingboro Mua | Burlington | 35,000 | Community | Groundwater |
| Burlington Twp W Dept | Burlington | 27,000 | Community | Purchased surface water |
| Moorestown Water Dept | Burlington | 20,700 | Community | Purchased surface water |
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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, “Nj American Water - Mount Holly, PWSID NJ0323001, New Jersey”, https://aquacensus.com/water-systems/new-jersey/nj-american-water-mount-holly-nj0323001 (data as of October 1, 2026).