Public water system · NJ1918013
ActiveSparta Twp Wtr - Sunset
At a glance
Sparta Twp Wtr - Sunset (PWSID NJ1918013) is an active community water system in Sussex County, New Jersey. It reports serving 342 people through 117 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, one is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
342
Service connections
117
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sparta Twp Wtr - Sunset compare with other water systems in Sussex County?
By EPA's size categories, Sparta Twp Wtr - Sunset is a very small system (500 people or fewer). Sussex County has 476 active public water systems. Its population served is about 20% below the county average of 425 people per system, and accounts for 0.2% 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 community water system reports serving 6,703 people, so Sparta Twp Wtr - Sunset 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. 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 Sparta Twp Wtr - Sunset?
EPA lists Sparta Twp Wtr - Sunset 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 Sparta Twp Wtr - Sunset have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2023. The violations listed here began between January 1999 and October 2023. By type: 6 monitoring and reporting, 3 public notice, recordkeeping or other, 1 reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (3 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 |
|---|---|---|---|---|
| 2023-10-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2022-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | 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.
Sparta Twp Wtr - Sunset: frequently asked questions
Who runs Sparta Twp Wtr - Sunset?
Sparta Twp Wtr - Sunset (PWSID NJ1918013) is a community water system owned by a local government. It is regulated by the NJ state drinking water program.
How many people does Sparta Twp Wtr - Sunset serve?
Sparta Twp Wtr - Sunset reports serving 342 people through 117 service connections in Sussex County, New Jersey.
Where does Sparta Twp Wtr - Sunset 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 Sparta Twp Wtr - Sunset have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 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 Sparta Twp Wtr - Sunset'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, one is health-based, and the most recent began in October 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 Sparta Twp Wtr - Sunset's water quality report?
As a community water system, Sparta Twp Wtr - Sunset 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 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, “Sparta Twp Wtr - Sunset, PWSID NJ1918013, New Jersey”, https://aquacensus.com/water-systems/new-jersey/sparta-twp-wtr-sunset-nj1918013 (data as of October 1, 2026).