Central Coast

• Coastal San Luis RCD
• Upper Salinas-Las Tablas RCD
• Ventura RCD

Sacramento Valley

• Butte County RCD
• Feather River RCD
• Glenn County RCD
• Colusa County RCD
• Sutter County RCD
• RCD of Tehama County
• Western Shasta RCD
• Yolo County RCD
• Yuba County RCD

North Coast

• Marin RCD
• Gold Ridge RCD
• Sonoma RCD
• Napa County RCD
• Mendocino County RCD
• Lake County RCD
• Humboldt County RCD
• Shasta Valley RCD

Greater Bay Area

• North Santa Clara RCD
• Loma Prieta RCD
• Alameda County RCD
• Contra Costa RCD
• Solano RCD
• Suisun RCD

San Joaquin

• East Stanislaus RCD
• West Stanislaus RCD
• San Joaquin RCD
• East Merced RCD
• Sierra RCD
• Madera-Chowchilla RCD
• Tranquillity RCD
• Northwest Kern RCD
• Eastern Kern RCD
• Excelsior-Kings River RCD
• Tulare RCD

Alpine, Amador, Calaveras, and Tuolumne

• Amador RCD
• Calaveras RCD
• El Dorado RCD
• Georgetown Divide RCD
• Placer County RCD
• Sloughhouse RCD
• Tuolumne RCD

Southern California

• RCD of Greater San Diego County
• Mission RCD
• Temecula Elsinore Anza Murrietta RCD
• Upper San Luis Rey RCD
• Coachella Valley RCD
• Inland Empire RCD