Funders
- Alan and Lauren Dachs
- Almond Board of California
- American Rivers
- Association of California Water Agencies
- Atlantic Philanthropies
- California American Water
- California Trout
- California Urban Water Agencies
- California Water Service
- Carnegie Corporation of New York
- David and Lucile Packard Foundation
- Dirk and Charlene Kabcenell Foundation
- Driscoll's
- E. A. and Suzanne Maas
- Energy Foundation
- Environmental Defense Fund
- Ford Foundation
- Frank and Mona Mapel
- Friant Water Authority
- Golden State Water Company
- Gordon and Betty Moore Foundation
- James Irvine Foundation
- John S. and James L. Knight Foundation
- Kingfisher Foundation
- Kurt and Julie Hauser
- Marion B. and Jacob K. Javits Foundation
- Marisla Foundation
- Mary Jo and Dick Kovacevich Family Foundation
- Metropolitan Water District of Southern California
- Mojave Water Agency
