On average, the water we use in our households is about 98 gallons a day, says a U.S. Geological Survey. The industrial goods we use -- paper, cotton, clothes -- that's about another 44 gallons a day. But it takes more than 1,000 gallons of water a day per person to produce the food (and drinks) in the average U.S. diet, according to several sources. More than 53 gallons of water go into making 1 cup of orange juice, for example. - L A Times
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