City Water Quality Rankings in New Jersey
266 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#145
Pompton Plains
County, NJ
75 B
#146 Atlantic City
County, NJ
74 C
#147 Hamburg
County, NJ
74 C
#148 Woodstown
County, NJ
74 C
#149 Wrightstown
County, NJ
74 C
#150 Alpha
County, NJ
73 C
#151 Elmwood Park Boro
County, NJ
73 C
#152 Ogdensburg
County, NJ
73 C
#153 Pennington
County, NJ
73 C
#154 Barnegat
County, NJ
72 C
#155 Butler
County, NJ
72 C
#156 Edison
County, NJ
72 C
#157 Garfield
County, NJ
72 C
#158 Newark
County, NJ
72 C
#159 Cape May
County, NJ
71 C
#160 Hamilton
County, NJ
71 C
#161 Lawrenceville
County, NJ
71 C
#162 Clayton
County, NJ
70 C
#163 Landing
County, NJ
70 C
#164 Leesburg
County, NJ
70 C
#165 Pittsgrove
County, NJ
70 C
#166 Toms River
County, NJ
70 C
#167 Livingston
County, NJ
69 C
#168 Oakland
County, NJ
68 C
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.