Steve Lipsky, who lives near a fracking operation in Weatherford, Texas, displays flammable water at his home.
It stuns people - understandably so - when water catches fire as it flows into the bathtub, a drinking glass or into a garden as it pours from a hose.
The trouble is, sometimes the Environmental Protection Agency and state investigators disagree about what caused the unexpected fire.
This happened recently when the EPA blamed oil company pollution after Parker County, Texas, residential water caught on fire when touched with a lit match. Texas inspectors disagreed with that opinion, saying that methane sometimes contaminates water naturally in areas that are rich with natuaral gas. EPA ...