Sacramento

Sacramento, CA receives a water quality score of 91/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 30 public water systems serving the area.

Sacramento'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.

Sacramento's score of 91 is 2 points above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

As a large city situated in California's Central Valley, Sacramento relies on nearly thirty distinct water systems to evaluate the region's diverse geology and agricultural landscape. For prospective homebuyers and current residents, the city's outstanding overall safety score and top-tier letter grade provide strong reassurance about the quality of their tap water. This exemplary performance demonstrates that despite the complexities of managing resources across a sprawling West Coast urban center, the local infrastructure effectively delivers clean, highly-rated water to households.

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