Public water system · NJ0715002
ActiveNorth Caldwell - Hilltop
At a glance
North Caldwell - Hilltop (PWSID NJ0715002) is an active community water system in Essex County, New Jersey. It reports serving 208 people through 15 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
208
Service connections
15
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does North Caldwell - Hilltop compare with other water systems in Essex County?
By EPA's size categories, North Caldwell - Hilltop is a very small system (500 people or fewer). Essex County has 24 active public water systems. Its population served is well below the county average of 28,269 people per system, and accounts for less than 0.1% of the 678,447 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 North Caldwell - Hilltop is well below 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 North Caldwell - Hilltop?
EPA lists North Caldwell - Hilltop 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 24 active systems in Essex County (83%) are also owned by a local government.
Does North Caldwell - Hilltop have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023. The violations listed here began between October 2015 and December 2023. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
The 12 most recent 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.
North Caldwell - Hilltop: frequently asked questions
Who runs North Caldwell - Hilltop?
North Caldwell - Hilltop (PWSID NJ0715002) is a community water system owned by a local government. It is regulated by the NJ state drinking water program.
How many people does North Caldwell - Hilltop serve?
North Caldwell - Hilltop reports serving 208 people through 15 service connections in Essex County, New Jersey.
Where does North Caldwell - Hilltop 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 North Caldwell - Hilltop have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023. 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 North Caldwell - Hilltop'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.
Where can I find North Caldwell - Hilltop's water quality report?
As a community water system, North Caldwell - Hilltop 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 Essex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newark Water Department | Essex | 294,274 | Community | Surface water |
| East Orange Water Commission | Essex | 75,000 | Community | Groundwater |
| Bloomfield Water Department | Essex | 53,315 | Community | Purchased surface water |
| Montclair Water Bureau | Essex | 40,150 | Community | Purchased surface water |
| Belleville Water Dept | Essex | 35,129 | Community | Purchased surface water |
| Orange Water Dept | Essex | 30,134 | 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, “North Caldwell - Hilltop, PWSID NJ0715002, New Jersey”, https://aquacensus.com/water-systems/new-jersey/north-caldwell-hilltop-nj0715002 (data as of October 1, 2026).