5th District Riverside County Supervisor Marion Ashley
2nd District Riverside County Supervisor John Tavaglione
3rd District Riverside County Supervisor Jeff Stone
1st District Orange County Supervisor Janet Nguyen
3rd District Orange County Supervisor Bill Campbell
5th District Orange County Supervisor Patricia Bates
5th District San Bernardino County Supervisor Josie Gonzales
32nd District Senator Gloria Negrete-McLeod
34th District Senator Louis Correa
35th District Senator Tom Harman
36th District Senator Dennis Hollingsworth
59th District Assemblyman Anthony Adams
60th District Assemblyman Bob Huff
62nd District Assemblywoman Wilmer Amina Carter
63rd District Assemblyman Bill Emmerson
65th District Assemblyman Paul Cook
66th District Assemblyman Kevin Jeffries
68th District Assemblyman Van Tran
69th District Assemblyman Jose Solorio
70th District Assemblyman Chuck DeVore
72nd District Assemblyman Michael Duvall
American Planning Association – Inland Empire Section
American Society of Civil Engineers
Association of California Water Agencies
Bill Habermehl, Superintendent of Orange County Department of Education
Building Industry Association – Riverside Chapter
California Municipal Utilities Association
California Resource Connection
California Special Districts Association
California Urban Water Conservation Council
California Waterfowl
Center of Environmental Management, University of Redlands, California
Chaffey College
Chino Basin Water Conservation District
Chino Basin Watermaster
City of Anaheim
City of Brea
City of Colton
City of Corona, Department of Water & Power
City of Desert Hot Springs
City of Fontana
City of Grand Terrace
City of Highland
City of Huntington Beach
City of Irvine
City of Loma Linda
City of Los Alamitos
City of Murrieta
City of Newport Beach
City of Ontario
City of Perris
City of Redlands
City of San Bernardino
City of San Jacinto
City of Villa Park
City of Yucaipa
Corona Chamber of Commerce
Cucamonga Valley Water District
Department of Water Resources - Southern California
Eastern Municipal Water District
Elsinore Valley Municipal Water District
Endangered Habitats League
Friends of Harbors, Beaches, and Parks
Fullerton Chamber of Commerce
Inland Deserts Region of the Department of Fish and Game
Inland Empire Economic Partnership
Inland Empire Utilities Agency
Inland Empire Waterkeeper
Irvine Ranch Water District
Jurupa Community Services District
Lake Elsinore & San Jacinto Watersheds Authority
Lake Hemet Municipal Water District
Lee Lake Water District
Mayor Ron Loveridge, City of Riverside
Mesa Consolidated Water District
Metropolitan Water District
Monte Vista Water District
National Association of Industrial & Office Properties – Inland Empire Chapter
National Water Resources Association
Nursery Growers Association of California
Orange County Coastkeeper
Orange County Sanitation District
Orange County Water District
Regional Chamber of Commerce – San Gabriel Valley
Riverside County Economic Development Agency
Riverside County Farm Bureau
Riverside County Flood Control & Water Conservation District
Riverside County Park & Open Space District
Riverside County Water Task Force
San Bernardino County Farm Bureau
San Bernardino County Flood Control District
San Bernardino Valley Water Conservation District
San Gorgonio Pass Water Agency
Santa Ana Regional Water Quality Control Board
Santa Ana River Mainstem Project
Santa Ana Watershed Association
Santa Ana Watershed Project Authority
Schmid College of Science, Chapman University
South Orange County Regional Chamber of Commerce
Southern California Water Committee
State Water Resources Control Board
Temecula Valley Rose Society
UCCE Master Gardener Program
Urban Water Research Center, University of California, Irvine
U.S. Army Corps of Engineers
U.S. Bureau of Reclamation
U.S. Geological Survey
California Water Science Center
Water Education Foundation
Water Replenishment District of Southern California
Water Resources Institute, California State University San Bernardino
Western Municipal Water District
Western Riverside Council of Governments