COUNTY WATER-SYSTEM LEDGER
Warren, New Jersey
EPA’s September 2026 export lists 7 active community water systems serving Warren, New Jersey, with 3 current-violation flags and 1 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Warren, New Jersey
EPA associates 7 covered systems with Warren, New Jersey; their reported population-served values total 287,442 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Nj American Water - Short HillsNJ0712001 | 217,230 | Surface water | No current violation flagged |
| Aqua Nj - PhillipsburgNJ2119001 | 26,686 | Groundwater under influence of surface water | No current violation flagged |
| Hackettstown MuaNJ2108001 | 22,000 | Ground water | Current monitoring/reporting flag |
| Nj American Water - Washington/OxfordNJ2121001 | 10,719 | Ground water | No current violation flagged |
| Allamuchy Twp Water & SewerNJ2101001 | 5,423 | Ground water | Current serious-violator flag |
| Nj American Water - BelvidereNJ2103001 | 2,854 | Ground water | No current violation flagged |
| Alpha Municipal Water WorksNJ2102001 | 2,530 | Ground water | Current monitoring/reporting flag |
02 / SOURCE MIX
Primary water sources for Warren, New Jersey
EPA classifies 7 systems serving Warren, New Jersey across 3 primary-source categories; Surface water is the largest category with 1 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.