- Water Education/ Water Awareness Committee (WEWAC)
- Be Water Wise
- Three Valleys Municipal Water District
- Metropolitan Water District of Southern California
- Project WET (Water Education for Teachers)
- Water Education Foundation
- Save our Water
- Water Saver Home
- The Water Page
- Discover Water
- Water Use It Wisely
- Home Water Works: Calculator
- The Water Cycle for Kids
- Water Facts & Fun
- The Theodore Payne Foundation
- Santa Barbara Botanic Garden
- Rancho Santa Ana Botanic Garden
- Water Conservation At Home
PUBLIC AGENCIES
- California DPH
- US Environmental Protection Agency (EPA)
- Los Angeles County Dept. of Public Health, Drinking Water Program:
- Metropolitan Water District of Southern California
- Sanitation Districts of Los Angeles County
- Three Valleys Municipal Water District