A congressional investigation has discovered that, between 2005 and 2009, companies engaging in the practice of hydrofracturing (fracking) to drill for natural gas pumped 32 million gallons of diesel or fluids containing diesel into the ground in the United States. U.S. Representatives Ed Markey, Diana DeGette and Henry Waxman have sent a letter to Lisa Jackson, Administrator of the Environmental Protection Agency, and to Cliff Stearns, Chair of the House Subommittee on Oversight and Investigations, requesting further investigation and action to control the practice.
It is illegal under the Clean Water Act for companies to use fluids containing diesel in fracking operations without first obtaining a permit to do so. None of the companies that pumped diesel into the ground during the investigated period even attempted to gain permits to do so. They broke the law, purposefully, over and over again.