Clinton

Clinton, CT receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 18 public water systems serving the area.

Clinton'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.

Clinton's score of 90 is 13 points above the Connecticut state average of 77, and above the nationwide average of roughly 78/100 across all U.S. states.

In the coastal mid-size city of Clinton, Connecticut, drinking water is delivered through a variety of local systems that consistently achieve excellent marks for safety and compliance. While these high marks offer regulatory reliability to current residents and prospective homebuyers, the region's dense, older Northeast infrastructure suggests that localized plumbing materials could still impact water at the tap. Consequently, verifying the service line material and conducting home-level testing remains a sensible step when moving into a property in this area.

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