Frack water injection wells are causing earthquake problems in other states.
http://www.usatoday.com/story/news/nation/2014/06/01/earthquakes-texas-fracking-wells/9765659/
Texas commission doubts link between fracking, quakes
http://www.ohio.com/blogs/drilling/ohio-utica-shale-1.291290/texas-commission-doubts-link-between-fracking-quakes-1.487692 (http://www.ohio.com/blogs/drilling/ohio-utica-shale-1.291290/texas-commission-doubts-link-between-fracking-quakes-1.487692)