David Wethe of Bloomberg Buisnessweek reports on some of the innovations that are being developed to make fracking of natural gas-bearing shale strata more environmentally-friendly. The new approaches generally fall into one of two camps - ways to frack without water, or ways to clean up water that has been used to frack.
The article notes that the fracking wastewater has been linked to surface water pollution, but I don't believe that is true in West Virginia. The West Virginia Department of Environmental Protection has had a zero discharge limit for flow back and produced fluids for years, which effectively prohibited the discharge of frack water brought up from downhole. There were a few municipal wastewater treatment plants that took frack water, but not many, and West Virginia has been ahead of the curve on preventing frack water from getting into state streams.
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