Clean Drinking Water Indicator overview

The percent of population served by water districts with no water quality violations.

California State
Explore »


Resource Portal

Check out additional data from our partners and relevant resources.

Get the Lead Out

California community water systems were required by the state to test drinking water for lead at the schools they serve before Summer 2019. The results are now mostly in. This map shows the median and highest lead levels detected at each site based on the latest publicly available data as of 9/3/2019.

More Information »