Corpus Christi

Corpus Christi, TX receives a water quality score of 89/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Corpus Christi'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.

Corpus Christi's score of 89 is 11 points above the Texas state average of 78, and above the nationwide average of roughly 78/100 across all U.S. states.

As a large city located in South-central Texas, Corpus Christi distributes its municipal supply across two distinct water systems. For prospective homebuyers and residents, the local tap water registers at a generally reliable and solid quality level, showing only minor areas where improvement could be made. The surrounding region is characterized by varied geology and a prominent oil and gas industry, presenting environmental factors typical of large urban centers that can influence source water. Consequently, while the supply remains overall dependable for daily household needs, those moving to the area should remain aware of how these regional characteristics shape the local water profile.

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