Myron Arnowitt, the Pennsylvania State Director of Clean Water Action, center, says at a news conference outside federal court Tuesday, July 19, 2011, in Pittsburgh, that they are filing to stop the ... more 
Myron Arnowitt, the Pennsylvania State Director of Clean Water Action, center, says at a news conference outside federal court Tuesday, July 19, 2011, in Pittsburgh, that they are filing to stop the Municipal Authority of the City of McKeesport from accepting any Marcellus Shale gas drilling wastewater for disposal in the Monongahela River. (AP Photo/Keith Srakocic) less 
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Associated Press | Photo By Keith Srakocic
Tue, Jul 19, 2011 2:34 PM EDT