City Water Quality Rankings in New Jersey
266 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#241
South River
County, NJ
11 F
#242 Verona
County, NJ
9 F
#243 Budd Lake
County, NJ
7 F
#244 Ringwood
County, NJ
7 F
#245 Gibbstown
County, NJ
4 F
#246 Lake Hopatcong
County, NJ
3 F
#247 Moorestown
County, NJ
2 F
#248 Stockholm
County, NJ
1 F
#249 West Caldwell
County, NJ
1 F
#250 Ancora
County, NJ
0 F
#251 Beachwood
County, NJ
0 F
#252 Belleville
County, NJ
0 F
#253 Braddock
County, NJ
0 F
#254 Bridgeton
County, NJ
0 F
#255 Caldwell
County, NJ
0 F
#256 Dover
County, NJ
0 F
#257 East Orange
County, NJ
0 F
#258 Glassboro
County, NJ
0 F
#259 High Bridge
County, NJ
0 F
#260 Milltown
County, NJ
0 F
#261 Pompton Lakes
County, NJ
0 F
#262 Ridgewood
County, NJ
0 F
#263 Stone Harbor
County, NJ
0 F
#264 Surf City
County, NJ
0 F
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.