Alliance for Water Efficiency - Chicago, Illinois
Amy Vickers, WaterPlow Press - Amherst, MA
"Much more than a "handbook", this is a veritable encyclopedia of water conservation methods and equipment in buildings, landscapes, and beyond Most of the Handbook consists of four chapters that address water use by category: residential/domestic; landscape; industrial/commercial/institutional; and agricultural."
How to Conserve Water and Use It Effectively (Information available for the Residential, Industrial/Commercial & Agricultural sectors)
United States Environmental Protection Agency's Website
United States Environmental Protection Agency’s WaterSense Program