El Mirage

El Mirage, AZ receives a water quality score of 69/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 16 public water systems serving the area.

El Mirage'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.

El Mirage's score of 69 is 14 points above the Arizona state average of 55, and below the nationwide average of roughly 78/100 across all U.S. states.

As a large city situated in the arid Desert Southwest, El Mirage, Arizona relies on groundwater sources to support its development within a fast-growing urban corridor. For prospective homebuyers and current residents, the local tap water represents a middling standard of quality that suggests room for consistency improvements, which is a common challenge for expanding desert communities. Because the municipal supply is distributed through numerous distinct systems, water characteristics can fluctuate, making it beneficial for households to monitor their specific neighborhood's source.

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 →