Find Your GSA

Find out which GSA your home, business, farm or ranch lies within. Visit the California Department of Water Resources’ GSA Map Viewer to view GSAs across the State. Once there, enter your address or place in the upper left corner and click on the magnifying glass icon. You can click on the map in any area to reveal the agency name and other important information. Click the image or button below to begin using the Department of Water Resources’ Map Viewer.