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Public water system · NJ1435002

Active

Rockaway Twp Water Dept

At a glance

Rockaway Twp Water Dept (PWSID NJ1435002) is an active community water system in Morris County, New Jersey. It reports serving 14,000 people through 4,350 service connections. Its primary water source is groundwater, 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 January 2026.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

14,000

Service connections

4,350

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNJ1435002
System typeCommunity water system
Activity statusActive
Population served14,000
Service connections4,350
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNJ state drinking water program
City servedRockaway Twp.-1435
StateNew Jersey
ZIP—
CountyMorris County

How does Rockaway Twp Water Dept compare with other water systems in Morris County?

By EPA's size categories, Rockaway Twp Water Dept is a large system (10,001 to 100,000 people). Morris County has 302 active public water systems. Its population served is about 9.4 times the county average of 1,490 people per system, and accounts for 3.1% of the 449,898 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 Rockaway Twp Water Dept is about twice 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. 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 Rockaway Twp Water Dept?

EPA lists Rockaway Twp Water Dept 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. 67 of the 302 active systems in Morris County (22%) are also owned by a local government.

Does Rockaway Twp Water Dept have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between January 2026 and January 2026. By type: 12 monitoring and reporting. The contaminant or rule involved most often is 1,2-Dichloropropane (2 of them). EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoArchived
2026-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoArchived

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.

Rockaway Twp Water Dept: frequently asked questions

Who runs Rockaway Twp Water Dept?

Rockaway Twp Water Dept (PWSID NJ1435002) is a community water system owned by a local government. It is regulated by the NJ state drinking water program.

How many people does Rockaway Twp Water Dept serve?

Rockaway Twp Water Dept reports serving 14,000 people through 4,350 service connections in Morris County, New Jersey.

Where does Rockaway Twp Water Dept 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 Rockaway Twp Water Dept 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 January 2026. 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 Rockaway Twp Water Dept'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 January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.

Where can I find Rockaway Twp Water Dept's water quality report?

As a community water system, Rockaway Twp Water Dept 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 Morris County

Water systemCountyPopulation servedTypeSource
Southeast Morris County MuaMorris62,349CommunitySurface water
Parsippany-Troy Hills Water DepartmentMorris50,400CommunityPurchased surface water
Dover Water CommissionMorris27,806CommunityGroundwater
Montville Twp MuaMorris22,000CommunityPurchased surface water
Denville Twp Water DeptMorris15,881CommunityGroundwater
Madison Water DeptMorris15,820CommunityGroundwater

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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, “Rockaway Twp Water Dept, PWSID NJ1435002, New Jersey”, https://aquacensus.com/water-systems/new-jersey/rockaway-twp-water-dept-nj1435002 (data as of October 1, 2026).