Preliminary results of a University of Texas study on hydraulic fracturing indicate the process doesn't appear to contaminate drinking water. However, the report says fracturing sites may have a higher incidence of the surface problems that can occur with any type of drilling. Prior reports, investigations and data gathered throughout the country on claims that the process often called fracking contaminated groundwater so far don't make the direct link, said Chip Groat, a UT geologist who's leading the study. Rather, it appears that shale drilling results in more problems on the surface than drilling that doesn't involve fracking, including spills of drilling and fracking fluids, leaks from wastewater pits and other rule violations, said Groat, who's to unveil unveiling the preliminary results of the study in today Fort Worth.
Read more: http://www.mysanantonio.com/news/energy/article/Fracking-passes-one-test-by-UT-2259505.php#ixzz1dKRZI1ZC
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