2021 Public Water System Risk Assessment Results Map

The map below illustrates the 2021 Risk Assessment results for California community water systems with 3,300 or less service connections. The Risk Assessment is a component of the 2021 Drinking Water Needs Assessment. The Risk Assessment Results Map includes water system details and a breakdown of Risk Assessment scores. Public water systems that are failing and on the Human Right to Water List as of 08/31/2021 are included. Users can search or filter for this information by public water system ID, system name, county, regulating agency, and system size

The data used to identify At-Risk systems is available in the 2021 Risk Assessment Results Spreadsheet.