There are 225 active wells located on 30 well pads in Allegheny County, according to data from the Pennsylvania Department of Environmental Protection analysed by the non-profit Fractracker Alliance.
The Allegheny County Board of Health formed a committee on fracking last year to investigate the health impact on residents.
“We know that there are toxic compounds released as part of unconventional natural gas and oil extraction [fracking],” committee member Dr. Graham Snyder told the full board on Wednesday. “We know those compounds can be associated biologically with health effects.”…