Austin

Austin, TX receives a water quality score of 82/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 148 public water systems serving the area.

Austin'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.

Austin's score of 82 is 6 points above the Texas state average of 76, and above the nationwide average of roughly 78/100 across all U.S. states.

As a large city situated in a South-central Texas landscape characterized by varied geology and oil and gas development, Austin relies on a network of 138 water systems. For residents and prospective homebuyers, this infrastructure consistently delivers a solid, above-average grade of water quality. However, the intersection of industrial activity and diverse geologic features makes ongoing monitoring essential to maintaining these reliable standards across the community.

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 →