City Water Quality Rankings in New Jersey
265 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#97
Barnegat Light
County, NJ
82 B
#98 Cape May Point
County, NJ
82 B
#99 Harvey Cedars
County, NJ
82 B
#100 National Park
County, NJ
82 B
#101 Pennsauken
County, NJ
82 B
#102 South Orange
County, NJ
82 B
#103 Wall Twp
County, NJ
82 B
#104 Washington
County, NJ
82 B
#105 Wenonah
County, NJ
82 B
#106 Flemington
County, NJ
81 B
#107 Tinton Falls
County, NJ
81 B
#108 Brant Beach
County, NJ
80 B
#109 Fiar Lawn
County, NJ
80 B
#110 Franklin
County, NJ
80 B
#111 Freehold
County, NJ
80 B
#112 Gloucester
County, NJ
80 B
#113 Helmetta
County, NJ
80 B
#114 Old Bridge
County, NJ
80 B
#115 Atlantic City
County, NJ
79 B
#116 Galloway
County, NJ
79 B
#117 Wantage
County, NJ
79 B
#118 Wrightstown
County, NJ
79 B
#119 Brooklawn
County, NJ
78 B
#120 Haskell
County, NJ
78 B
Frequently Asked Questions
How are city water quality rankings calculated in New Jersey?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in New Jersey?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.