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Thu May 2, 2013, 08:18 AM

 

Spread of Hydrofracking Could Strain Water Resources in West, Study Finds

http://www.nytimes.com/2013/05/02/science/earth/hydrofracking-could-strain-western-water-resources-study-finds.html?_r=0



“Given projected sharp increases” in the production of oil and gas by the technique commonly known as fracking, the report from the group Ceres said, “and the intense nature of local water demands, competition and conflicts over water should be a growing concern for companies, policy makers and investors.”

The overall amount of water used for fracking, even in states like Colorado and Texas that have been through severe droughts in recent years, is still small: in many cases 1 percent or even as little as a tenth of 1 percent of overall consumption, far less than agricultural or municipal uses.

But those figures mask more significant local effects, the report’s author, Monika Freyman, said in an interview. “You have to look at a county-by-county scale to capture the intense and short-term impact on water supplies,” she said.

“The whole drilling and fracking process is a well-orchestrated, moment-by-moment process” requiring that one million to five million gallons of water are available for a brief period, she added. “They need an intense amount of water for a few days, and that’s it.”

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