City Water Quality Rankings in New Jersey
266 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#25
Farmingdale
County, NJ
94 A
#26 Highstown
County, NJ
94 A
#27 Lake Como
County, NJ
94 A
#28 Landsville
County, NJ
94 A
#29 Mullica Twp
County, NJ
94 A
#30 Ocean Gate
County, NJ
94 A
#31 Robbinsville
County, NJ
94 A
#32 Short Mills
County, NJ
94 A
#33 Brielle
County, NJ
93 A
#34 Cherry Hill
County, NJ
93 A
#35 Chester
County, NJ
93 A
#36 Englishtown
County, NJ
93 A
#37 New Vernon
County, NJ
93 A
#38 Chatam
County, NJ
92 A
#39 Colts Neck
County, NJ
92 A
#40 Iselin
County, NJ
92 A
#41 Lakewood
County, NJ
92 A
#42 Manalapan
County, NJ
92 A
#43 Montague Township
County, NJ
92 A
#44 Sea Isle City
County, NJ
92 A
#45 Spring Lake Heights
County, NJ
92 A
#46 Villas
County, NJ
92 A
#47 Wayne
County, NJ
92 A
#48 Woodbury Heights
County, NJ
92 A
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.