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SW: →Refuting EPA's finding that fracking pollutes groundwater: - add section
==Refuting EPA's finding that fracking pollutes groundwater==
In December, 2011, the [[U.S. Environmental Protection Agency]] definitively linked groundwater contamination in Pavillion, Wyoming, to hydraulic fracturing ("[[Fracking|fracking"]]) activity taking place in the area of the aquifer.<ref>Dominic C. DiGiulio, Richard T. Wilkin and Carlyle Miller, U.S. Environmental Protection Agency [http://www.epa.gov/region8/superfund/wy/pavillion/EPA_ReportOnPavillion_Dec-8-2011.pdf Investigation of Ground Water Contamination near Pavillion, Wyoming] Draft report, December, 2011</ref> Encana refuted the study's conclusions, saying the EPA itself may have contaminated the water with its test wells.<ref>Susan Phillips, [http://stateimpact.npr.org/pennsylvania/2011/12/08/epa-blames-fracking-for-wyoming-groundwater-contamination/ State Impact/EPA Blames Fracking for Wyoming Groundwater Contamination], National Public Radio, December 8, 2011</ref>
==Community opposition==
Residents near EnCana's hydrauling fracuring sites near Erie, Colorado, reported negative health effects from the wells' fumes. Encana was later permitted to drill eight new wells next to the town's two elementary schools. In response, residents did their own investigations under the group Erie Rising, and presented their findings to the community. Their presentation said that Erie's air contained [[ozone]]-producing gases (propane and butane) that were 10 times higher than those in Los Angeles, and benzene at excessive levels. A follow-up study by the Colorado School of Public Health found that residents living within a half-mile of a fracking well had a 66 percent greater risk of cancer than those living a mile away. The town board passed a moratorium on new drilling permits, although vast tracts of land in Erie have already been permitted for fracking operations, and permits are not required by the state to re-enter old wells.<ref>Mark Ruffalo, [http://www.denverpost.com/opinion/ci_20657595?source=bb "Erie mothers battle to stop drilling,"] The Denver Post, May 19, 2012.</ref>
==Allegedly illegal pipeline installation==
