Dallas News: Its not just oil and natural gas that comes out of the ground here. For every barrel of oil pumped to the surface, more than another barrel of water from deep within the earth comes up alongside it.
With a hue that ranges from gray to black and an odor that resembles gasoline, the water is typically pumped into disposal wells thousands of feet underground. All the while, hydraulic fracturing operations pull billions of gallons of fresh water a year from aquifers that also supply water to cities...