Welcome to the State Water Resources Control Board Welcome to the California Environmental Protection Agency
Governor's Website Visit the Water Board Members Page
My Water Quality
Performance Report

State and Regional Water Boards

To find the Regional Water Board for a particular location, click on the map or enter a street address:
(Example: "123 Main Street, Sacramento, CA")

Geospatial data

The Regional Water Quality Control Board jurisdictional boundaries (1:24000 scale) are available in the following formats: