State rankings
New Jersey water-system rankings
Lowest-scoring systems in New Jersey
Ranked lowest score first. Population shown for context.
1 HO HO KUS WATER DEPT HOHOKUS BORO, NJ · ~4,060 served 11 2 PARK RIDGE WATER DEPT PARK RIDGE, NJ · ~16,466 served 12 3 FLORENCE TWP W DEPT FLORENCE, NJ · ~11,214 served 30 4 CITY OF CAMDEN CAMDEN, NJ · ~46,585 served 32 5 WILLINGBORO MUA WILLINGBOR0, NJ · ~35,000 served 32 6 DOVER WATER COMMISSION DOVER, NJ · ~27,806 served 33 7 MERCHANTVILLE PENNSAUKEN PENNSAUKEN, NJ · ~47,144 served 34 8 PASSAIC VALLEY WC LODI WD CLIFTON, NJ · ~24,136 served 34 9 ROCKAWAY TWP WATER DEPT ROCKAWAY, NJ · ~14,000 served 34 10 WALDWICK WATER DEPT WALDWICK, NJ · ~10,208 served 34 11 WESTVILLE WATER DEPARTMENT WESTVILLE, NJ · ~6,000 served 35 12 JERSEY CITY MUA HOBOKEN, NJ · ~262,000 served 36 13 PERTH AMBOY WATER DEPARTMENT PERTH AMBOY, NJ · ~52,328 served 36 14 AQUA NJ - HAMILTON SQUARE HAMILTON, NJ · ~39,128 served 40 15 VERONA WATER DEPARTMENT VERONA, NJ · ~13,641 served 40 16 RIDGEWOOD WATER RIDGEWOOD, NJ · ~61,700 served 41 17 OAKLAND WATER DEPT OAKLAND, NJ · ~12,754 served 41 18 ROCKAWAY BORO WATER DEPT ROCKAWAY, NJ · ~7,066 served 41 19 VEOLIA WATER NJ ALLENDALE WATER SYSTEM HAWORTH, NJ · ~6,702 served 41 20 BURLINGTON TWP W DEPT BURLINGTON, NJ · ~22,594 served 42 21 SOUTHEAST MORRIS COUNTY MUA CEDAR KNOLLS, NJ · ~62,349 served 43 22 VEOLIA WATER NEW JERSEY HACKENSACK HAWORTH, NJ · ~792,713 served 44 23 JEFFERSON TWP W U LK HOP LAKE HOPATCONG, NJ · ~8,500 served 44 24 EAST GREENWICH TWP WATER DEPT MICKLETON, NJ · ~9,900 served 45 25 MILLTOWN W DEPT MILLTOWN, NJ · ~7,000 served 46
Highest-scoring large systems in New Jersey
Systems serving 10,000+ people with the best scores.
1 WILDWOOD CITY WATER DEPARTMENT RIO GRANDE, NJ · ~218,472 served 100 2 TRENTON WATER WORKS TRENTON, NJ · ~217,000 served 100 3 NJ AMERICAN WATER - OCEAN CITY EGG HARBOR TOWNSHIP, NJ · ~127,000 served 100 4 BLOOMFIELD WATER DEPARTMENT BLOOMFIELD, NJ · ~47,315 served 100 5 EVESHAM MUA MARLTON, NJ · ~45,538 served 100 6 NORTH BRUNSWICK W DEPT FRANKLIN, NJ · ~43,905 served 100 7 AVALON WATER AND SEWERAGE UTILITIES AVALON, NJ · ~39,839 served 100 8 JACKSON TWP MUA JACKSON, NJ · ~37,224 served 100
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.