City Water Quality Rankings in New Jersey
265 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Monmouth Junction
County, NJ
35 F
#218 Turnersville
County, NJ
34 F
#219 Forked River
County, NJ
33 F
#220 Pemberton
County, NJ
33 F
#221 Woodland Park
County, NJ
33 F
#222 Roseland
County, NJ
32 F
#223 Aberdeen Township
County, NJ
31 F
#224 Sparta
County, NJ
31 F
#225 Rockaway
County, NJ
29 F
#226 Point Pleasant
County, NJ
28 F
#227 Pompton Lakes
County, NJ
28 F
#228 Monroe Township
County, NJ
26 F
#229 Fair Lawn Boro
County, NJ
24 F
#230 Glen Rock
County, NJ
24 F
#231 Keansburg
County, NJ
24 F
#232 Montville
County, NJ
22 F
#233 Clinton
County, NJ
19 F
#234 Hawthorne
County, NJ
19 F
#235 Orange
County, NJ
15 F
#236 Pennsville
County, NJ
15 F
#237 Hopatcong
County, NJ
14 F
#238 Ringwood
County, NJ
13 F
#239 Sussex
County, NJ
13 F
#240 Branchville
County, NJ
11 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.