City Water Quality Rankings in New Jersey
266 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
East Hanover Township
County, NJ
40 F
#218 Monmouth Junction
County, NJ
40 F
#219 Roseland
County, NJ
40 F
#220 Montville
County, NJ
39 F
#221 Woodland Park
County, NJ
39 F
#222 Wanaque
County, NJ
37 F
#223 Lincoln Park
County, NJ
36 F
#224 Medford
County, NJ
36 F
#225 Saddle Brook
County, NJ
36 F
#226 Sparta
County, NJ
36 F
#227 Aberdeen Township
County, NJ
35 F
#228 Forked River
County, NJ
35 F
#229 Bloomfield
County, NJ
31 F
#230 Point Pleasant
County, NJ
31 F
#231 Turnersville
County, NJ
29 F
#232 Orange
County, NJ
27 F
#233 Monroe Township
County, NJ
26 F
#234 Keansburg
County, NJ
24 F
#235 Hawthorne
County, NJ
21 F
#236 Nutley
County, NJ
17 F
#237 Clinton
County, NJ
16 F
#238 Pennsville
County, NJ
15 F
#239 Sussex
County, NJ
13 F
#240 Hopatcong
County, NJ
12 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.