New Jersey
Water Quality Report
66 Fair
Average Score
66/100
Water Systems
364
Population
8.9M
Violations
898 285 unresolved
Score Distribution
48 A
48 B
20 C
20 D
44 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Copper (90th percentile) | 6 |
| Lead (90th percentile) | 1 |
Lowest Scoring Water Systems
0
Mt Olive Villages Water F
NJ1427001 Budd Lake, NJ 5,000 served
0
Perth Amboy Water Department F
NJ1216001 Iselin, NJ 52,328 served
0
Caldwell Water Dept F
NJ0703001 Nutley, NJ 9,027 served
0
Dover Water Commission F
NJ1409001 Dover, NJ 27,806 served
0
Stone Harbor Water Dept F
NJ0510001 Stone Harbor, NJ 30,850 served
Counties in New Jersey
Cities in New Jersey
View all 265 cities →Popular City Comparisons in New Jersey
Quickly compare major cities in New Jersey by water quality score and grade.
Frequently Asked Questions
Is tap water in New Jersey safe to drink?
New Jersey has an average WaterQ score of 66/100 across 364 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in New Jersey?
WaterQ currently tracks 364 public water systems in New Jersey.
Where can I compare cities in New Jersey?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.