Wilmington

Wilmington, NC receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Wilmington'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.

Wilmington's score of 94 is 18 points above the North Carolina state average of 76, and above the nationwide average of roughly 78/100 across all U.S. states.

As a growing mid-size city located in the Southeastern coastal plain, Wilmington, North Carolina, maintains an exceptional standard of drinking water quality that stands out within a region characterized by agricultural lands and expanding urban centers. The handful of public distribution networks serving the area achieve top-tier marks, ensuring that tap water delivered to households is highly reliable and clean. For families settling in the area or homebuyers evaluating local infrastructure, these consistently high marks offer reassurance that the community's primary water sources are excellently managed.

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