762 billion: Gallons of water per year that golf courses consume. That represents about 0.5 percent of the nation's annual water use.
18 million: Gallons of water per year Congressional Country Club in suburban Washington uses on each of its two courses. Congressional does not use reclaimed water.
35: Percent of this year's PGA Tour courses that irrigate with reclaimed water
12: Percent of courses nationally that use reclaimed water