Ft Defiance

Ft Defiance, AZ receives a water quality score of 65/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 36 public water systems serving the area.

Ft Defiance's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.

Ft Defiance's score of 65 is 10 points above the Arizona state average of 55, and below the nationwide average of roughly 78/100 across all U.S. states.

Living in a mid-size Arizona city within the fast-growing and arid Desert Southwest means navigating a groundwater-dependent region where water quality is moderate. For homebuyers looking at Ft Defiance, the dozens of distinct water systems serving the area deliver water that, while usable, shows notable room for improvement. Prospective residents may want to investigate the specific local system supplying their home to understand how these regional aquifer pressures affect their household tap.

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