Salt Lake City

Salt Lake City, UT receives a water quality score of 78/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 8 public water systems serving the area.

Salt Lake City'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.

Salt Lake City's score of 78 is 14 points above the Utah state average of 64, and in line with the nationwide average of roughly 78/100 across all U.S. states.

As a rapidly expanding large city in the arid Mountain West, Salt Lake City relies on a network of multiple water systems to keep pace with urban growth. Given Utah's dry climate and the legacy of mining in the surrounding region, local water management requires vigilant monitoring to safeguard resources from environmental runoff. For prospective homebuyers, this translates to a generally solid and reliable standard of household tap water, though the challenges of a fast-growing population and dry climate underscore the importance of continuous infrastructure oversight.

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