Colts Neck

Colts Neck, NJ receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.

Colts Neck's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Colts Neck's score of 92 is 26 points above the New Jersey state average of 66, and above the nationwide average of roughly 78/100 across all U.S. states.

For a large city situated within a Mid-Atlantic corridor characterized by dense, aging infrastructure and an industrial legacy, Colts Neck maintains exceptionally clean and high-quality tap water across its public supply networks. This high standard of safety offers significant reassurance to prospective homebuyers and current residents, demonstrating that local treatment measures successfully mitigate the environmental challenges common to older New Jersey suburban areas. As a result, households throughout this sizable municipality can confidently rely on their daily water supply for all household needs.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our New Jersey water quality rankings report →