Some of the nation's largest metropolitan areas are in danger of running out of water in the next decades, according to a survey of studies conducted by 24/7 Wall St.


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We consulted a range of sources, including an October 2010 report on water risk by environmental research and sustainability group CERES, a July 2010 report from the National Resources Defense Council, and our own independent analysis of water supply and consumption in America's 30 largest cities. Using these sources, we created a ranking of cities likely to face severe water shortage in the near future. Above are the ten largest cities, by population, that have a significant chance of going dry in the decades to come.

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