Jim Riggio, plant manager for the Beaver Falls Municipal Authority, shows a sample of solid materials removed from the Beaver River during treatment Dec. 15 at his plant.
Cecil Griffith, right, maintenance supervisor for the Beaver Falls (Pa.) Municipal Authority, and Jim Riggio, plant manager, watch the bubbler at one of the intake gates on the Beaver River at the authority's water treatment plant Dec. 15. Their water began flunking tests for trihalomethanes regularly last year, around the time that a facility 18 miles upstream became Pennsylvania's dominant gas wastewater treatment plant.
The natural gas boom gripping parts of the United States has a nasty byproduct: wastewater so salty, and so polluted with metals like barium and strontium, that most states require drillers to get rid of the stuff by injecting it down shafts thousands of feet deep.
But not in Pennsylvania, one of the states at the center of the gas rush. In Pennsylvania, the liquid that gushes from gas wells is only partially treated for substances that could be environmentally harmful, then dumped into rivers and streams from which communities get their drinking water.
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