WaterQ

City Water Quality Rankings in New Jersey

266 cities ranked by drinking water quality.

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Popular city water quality comparisons

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#49
Berkeley Twp
County, NJ
91 A
#50
Convent Station
County, NJ
91 A
#51
Marlboro
County, NJ
91 A
#52
Pine Hill
County, NJ
91 A
#53
Beach Haven
County, NJ
90 A
#54
Bound Brook
County, NJ
90 A
#55
Clifton
County, NJ
90 A
#56
Hampton Twp
County, NJ
90 A
#57
Rahway
County, NJ
90 A
#58
Randolph Twp
County, NJ
90 A
#59
Seaside Heights
County, NJ
90 A
#60
Sicklerville
County, NJ
90 A
#61
Southampton
County, NJ
90 A
#62
Wharton
County, NJ
90 A
#63
Wenonah
County, NJ
89 B
#64
Delran
County, NJ
88 B
#65
Denville
County, NJ
88 B
#66
Galloway
County, NJ
88 B
#67
Lavallette
County, NJ
88 B
#68
Mantua
County, NJ
88 B
#69
Marlton
County, NJ
88 B
#70
Paulsboro
County, NJ
88 B
#71
Princeton
County, NJ
88 B
#72
Willingbor0
County, NJ
88 B

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.

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