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Oil companies fracking into drinking water sources, Stanford University research shows

Energy companies are fracking for oil and gas at far shallower depths than widely believed, sometimes through underground sources of drinking water, according to research released Tuesday by Stanford University scientists.

Though researchers cautioned their study of hydraulic fracturing, or fracking, employed at two Wyoming geological formations showed no direct evidence of water-supply contamination, their work is certain to roil the public health debate over the risks of the controversial oil and gas production process.

Fracking involves high-pressure injection of millions of gallons of water mixed with sand and chemicals to crack geological formations and tap previously unreachable oil and gas reserves. Fracking fluids contain a host of chemicals, including known carcinogens and neurotoxins.

Fears about possible water contamination and air pollution have fed resistance in communities around the country, threatening to slow the oil and gas boom made possible by fracking.

Fracking into underground drinking water sources is not prohibited by the 2005 Energy Policy Act, which exempted the practice from key provisions of the Safe Drinking Water Act. But the industry has long held that it does not hydraulically fracture into underground sources of drinking water because oil and gas deposits sit far deeper than aquifers.

The study, however, found that energy companies used acid stimulation, a production method, and hydraulic fracturing in the Wind River and Fort Union geological formations that make up the Pavillion gas field and that contain both natural gas and sources of drinking water…. [continue reading]

 

— by Neela Banerjee writing for The Los Angeles Times

 

fracking-groundwater-pavillion-20140811-001

Tanker trucks for hauling water and fracking fluids line up near a natural gas flare in Williston, N.D. Fracking has touched off a nationwide oil and gas boom, and with it, worries about public health and the environment. (Charles Rex Arbogast / AP)

 

 

 

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This entry was posted on August 23, 2014 by in Uncategorized and tagged , , , , , , , , .

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