'Fracking' wastewater that is treated for drinking downstream produces potentially harmful compounds

Concerns that fluids from hydraulic fracturing, or 'fracking,' are contaminating drinking water abound. Now, scientists are bringing to light another angle that adds to the controversy. A new study has found that discharge of fracking wastewaters to rivers, even after passage through wastewater treatment plants, could be putting the drinking water supplies of downstream cities at risk.

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