City Water Quality Rankings in New Jersey
265 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#169
Waretown
County, NJ
62 C
#170 West Deptford Township
County, NJ
62 C
#171 Woodbury
County, NJ
61 C
#172 Brtidgewater
County, NJ
60 C
#173 East Windsor Township
County, NJ
60 C
#174 Rio Grande
County, NJ
60 C
#175 Bordentown
County, NJ
59 D
#176 Landing
County, NJ
59 D
#177 Madison
County, NJ
58 D
#178 Glenwood
County, NJ
57 D
#179 Mine Hill
County, NJ
57 D
#180 Park Ridge
County, NJ
57 D
#181 Stanhope
County, NJ
57 D
#182 Westmont
County, NJ
57 D
#183 Avalon
County, NJ
56 D
#184 Kinnelon
County, NJ
56 D
#185 Williamstown
County, NJ
56 D
#186 Glen Gardner
County, NJ
54 D
#187 Hackettstown
County, NJ
54 D
#188 Hohokus Boro
County, NJ
54 D
#189 Pemberton Twp
County, NJ
54 D
#190 Saddle Brook
County, NJ
54 D
#191 Somerset
County, NJ
54 D
#192 Yardville
County, NJ
52 D
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.