A controversial radio "Public Service Announcement" produced by the Colorado Oil and Gas Association includes a sound bite by Governor Hickenlooper to the effect that there hasn't been any groundwater contamination associated with drilling or fracking in Colorado since 2008.

There are those who differ:

“There are spills on a weekly basis that affect groundwater,” said Earthjustice attorney Mike Freeman, adding that state records show there were 58 spills from oil and gas operations in 2011."

That quote is one of several in a piece written by Bob Berwyn for the Summit County Citizen's Voice.

Read Bob Berwyn's article