Public water system · NJ1911001
ActiveAqua Nj - Wallkill
At a glance
Aqua Nj - Wallkill (PWSID NJ1911001) is an active community water system in Sussex County, New Jersey. It reports serving 1,050 people through 389 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,050
Service connections
389
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Aqua Nj - Wallkill compare with other water systems in Sussex County?
By EPA's size categories, Aqua Nj - Wallkill is a small system (501 to 3,300 people). Sussex County has 476 active public water systems. Its population served is about 147% above the county average of 425 people per system, and accounts for 0.5% 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 Aqua Nj - Wallkill 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 Aqua Nj - Wallkill?
EPA lists Aqua Nj - Wallkill 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. 372 of the 476 active systems in Sussex County (78%) are also privately owned.
Does Aqua Nj - Wallkill have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2021. The violations listed here began between January 2012 and May 2021. By type: 9 monitoring and reporting, 2 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2021-05-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-12-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2016-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2013-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | 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.
Aqua Nj - Wallkill: frequently asked questions
Who runs Aqua Nj - Wallkill?
Aqua Nj - Wallkill (PWSID NJ1911001) is a community water system privately owned. It is regulated by the NJ state drinking water program.
How many people does Aqua Nj - Wallkill serve?
Aqua Nj - Wallkill reports serving 1,050 people through 389 service connections in Sussex County, New Jersey.
Where does Aqua Nj - Wallkill 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 Aqua Nj - Wallkill 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 May 2021. 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 Aqua Nj - Wallkill'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 May 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the NJ state drinking water program.
Where can I find Aqua Nj - Wallkill's water quality report?
As a community water system, Aqua Nj - Wallkill 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, “Aqua Nj - Wallkill, PWSID NJ1911001, New Jersey”, https://aquacensus.com/water-systems/new-jersey/aqua-nj-wallkill-nj1911001 (data as of October 1, 2026).