EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

CITY WATER-SYSTEM LEDGER

Denville Twp.-1408, New Jersey

Compare active community water systems serving this city in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems3active CWS · pop. 2,500+
Population served26,959reported total; may overlap
Current violation flag66.7%2 systems
Serious-violator flag33.3%1 systems

01 / SYSTEMS

Water systems serving Denville Twp.-1408

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Denville Twp Water DeptNJ140800115,881Ground waterNo current violation flagged
Rockaway Boro Water DeptNJ14340017,066Ground waterCurrent monitoring/reporting flag
Mountain Lakes Water DepNJ14250014,012Ground waterCurrent serious-violator flag

02 / SOURCE MIX

Ground water3 systems · 26,959 served
How to read the population total

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.