June 05, 2007
Water is pumped for miles, sometimes hundreds of miles, from its source to 90% of U.S. homes. This takes an enormous amount of energy; in California, it represents the single largest use of energy statewide. And water is heavy: 1 gallon weighs 8.3 lb. A typical U.S. household uses an average of 87,000 gallons, or 722,100 lb of water per year on landscaping alone. Using water efficiently, then, reduces the amount of energy needed to move water.
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