In this photo made on Wednesday, Dec. 15, 2010, Doug Ross, the superintendent of the pipeline system at the water treatment plant., takes a break from cleaning the area around the intake pumps and ... more 
In this photo made on Wednesday, Dec. 15, 2010, Doug Ross, the superintendent of the pipeline system at the water treatment plant., takes a break from cleaning the area around the intake pumps and pipes in Beaver Falls, Pa. The water from the Beaver Falls Municipal Authority 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. less 
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Associated Press | Photo By Keith Srakocic
Wed, Jan 5, 2011 2:05 AM EST