City Water Quality Rankings in New Jersey
265 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#145
Newark
County, NJ
72 C
#146 Pompton Plains
County, NJ
72 C
#147 Avon
County, NJ
71 C
#148 Oakland
County, NJ
71 C
#149 Alpha
County, NJ
70 C
#150 Clayton
County, NJ
70 C
#151 Hamilton
County, NJ
70 C
#152 Jackson
County, NJ
69 C
#153 Point Pleaseant Beach
County, NJ
69 C
#154 Barnegat
County, NJ
68 C
#155 Woodstown
County, NJ
68 C
#156 Mount Arlington
County, NJ
67 C
#157 Boonton
County, NJ
66 C
#158 Deptford
County, NJ
66 C
#159 Paulsboro
County, NJ
66 C
#160 Butler
County, NJ
65 C
#161 Lawrenceville
County, NJ
65 C
#162 Camden
County, NJ
64 C
#163 Jb Mdl
County, NJ
64 C
#164 Leesburg
County, NJ
64 C
#165 Livingston
County, NJ
64 C
#166 Manchester
County, NJ
64 C
#167 Seabrook
County, NJ
64 C
#168 Toms River
County, NJ
63 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.