CITY WATER-SYSTEM LEDGER
Denville Twp.-1408, New Jersey
EPA’s September 2026 export lists 3 active community water systems serving Denville Twp.-1408, New Jersey, with 2 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 Denville Twp.-1408, New Jersey
EPA associates 3 covered systems with Denville Twp.-1408, New Jersey; their reported population-served values total 26,959 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 |
|---|---|---|---|
| Denville Twp Water DeptNJ1408001 | 15,881 | Ground water | No current violation flagged |
| Rockaway Boro Water DeptNJ1434001 | 7,066 | Ground water | Current monitoring/reporting flag |
| Mountain Lakes Water DepNJ1425001 | 4,012 | Ground water | Current serious-violator flag |
02 / SOURCE MIX
Primary water sources for Denville Twp.-1408, New Jersey
EPA classifies 3 systems serving Denville Twp.-1408, New Jersey across 1 primary-source categories; Ground water is the largest category with 3 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.