U.S. Army Garrison Presidio of Monterey will save more than 2,000 gallons of potable water every day—more than 730,000 gallons a year—with a gray-water system that began operating in a Marine Corps barracks March 9. Pyeatt Barracks, in Building 827, houses about 740 Marines. The system harvests water from showers and sinks, filters it and then uses it again in toilets, said Rich Thorne, energy manager, Directorate of Public Works, U.S. Army Garrison Presidio of Monterey.

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