Does an old EPA fracking study provide proof of contamination?

EPA evidence of Fracking in old Virginia study
By Abrahm Lustgarten
ProPublica
August 10, 2011

This post has been updated with the industry’s response.

For years the drilling industry has steadfastly insisted that there has never been a proven case in which fracking has led to contamination of drinking water.

Now Environmental Working Group, an advocacy organization engaged in the debate over the safety of fracking, has unearthed a 24-year-old case study [1] by the U.S. Environmental Protection Agency that unequivocally says such contamination has occurred. The New York Times reported [2] on EWG’s year-long research effort and the EPA’s paper Wednesday.

The 1987 EPA report [3], which describes a dark, mysterious gel found in a water well in Jackson County, W.Va., states that gels were also used to hydraulically fracture a nearby natural gas well and that “the residual fracturing fluid migrated into (the resident’s) water well.”
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