Clean Drinking Water Indicator overview
The percent of population served by water districts with no water quality violations.
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 »
Clean Drinking Water Needs Assessment 2021
The annual Drinking Water Needs Assessment (Needs Assessment) required to be carried out by the SAFER Program provides foundational information and recommendations to guide this work. The Needs Assessment is comprised of Risk Assessment, Affordability Assessment, and Cost Assessment components. Development of the Needs Assessment consisted of stages between September 2019 and March 2021, each of which were detailed in publicly available white papers and presented at public webinars. The public feedback was incorporated into the final methodology and results.More Information »