- Alliance for Water Efficiency
A non-profit organization dedicated to the efficient and sustainable use of water, the Alliance serves as an advocate for water efficient products and programs, and provides information and assistance on water conservation efforts.
- American Water Works Association
This large nonprofit, scientific and educational association created this comprehensive clearinghouse of resources on water conservation, efficiency and demand management for conservation professionals and the larger water supply community.
- Colorado WaterWise
This group promotes the efficient use of Colorado’s water. Its affiliated program, Xeriscape Colorado, is an excellent source of information on low-water landscapes.