Safest Drinking Water in New Jersey 2026
New Jersey has 5 public water systems serving 1,832,045 people. The safest system is Nj American Water - Western in Delran with a score of 79/100.
Top 5 Water Systems in New Jersey
| # | Water System | City | Pop. Served | Source | Violations | Score |
|---|---|---|---|---|---|---|
| 1 | Nj American Water - Western | Delran | 264,586 | Surface water | 0 | C (79) |
| 2 | Wildwood City Water Department | Rio Grande | 218,472 | Ground water | 0 | C (79) |
| 3 | Veolia Water New Jersey Hackensack | Haworth | 792,713 | Surface water | 1 | C (70) |
| 4 | Jersey City Mua | Hoboken | 262,000 | Surface water | 1 | C (70) |
| 5 | Newark Water Department | Newark | 294,274 | Surface water | 22 | F (5) |
Water quality data for New Jersey is sourced from the EPA Safe Drinking Water Information System (SDWIS), which tracks compliance for all public water systems.
Frequently Asked Questions
Nj American Water - Western in Delran has the highest Water Safety Score in New Jersey at 79/100 (Grade C), serving 264,586 people.
New Jersey has 5 public water systems serving 1,832,045 people. The average Water Safety Score is 61/100.
The Water Safety Score (0-100) is based on health violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Higher scores mean cleaner, safer water.
Water Safety Score: health violations (40%), contaminant exceedances (30%), enforcement history (20%), monitoring violations (10%).