The National Aeronautics and Space Administration's Ames Research Center (ARC) partnered with the City of Sunnyvale to reduce potable water consumption and reuse more water on site. The project included a reclaimed water system, a native plant garden restoration initiative, and an aggressive education program. The combined results of the overall effort decreased ARC's potable water consumption by 80 million gallons and saved $404,000 in FY2009. See: NASA Ames Environmental Sustainability Reports.
Additional Case Studies
Water Case Study: Condensate Recovery System Reduces Water Usage and Discharge (PDF)(2 pp, 301 K,
The U.S. General Services Administration’s Ralph H. Metcalfe Federal Building in Chicago saved more than 150,000 gallons of water in one year through the installation of a condensate recovery system that collected condensed water from the building’s cooling system.
Water Case Study: Water-Efficient Fixtures Reduce Water Consumption (PDF)(2 pp, 468 K,
The U.S. Railroad Retirement Board headquarters in Chicago reduced potable water use nearly 18 percent in one year by replacing 31 of the 91 toilets in the building with water-efficient units.