"HOUSTON -- A Houston-based natural gas and oil drilling contractor pleaded guilty Tuesday to a negligent violation of the Clean Water Act in federal court in Muskogee, Oklahoma."

"In entering the plea, Integrated Production Services has agreed to pay a $140,000 criminal fine and to make a community service payment of $22,000 to the Oklahoma Department of Wildlife Conservation for ecological studies and remediation of Boggy Creek, located in eastern Oklahoma.

Integrated Production Services will serve a two-year period of probation, during which it will be required to implement and perform an environmental compliance program at a cost of $38,000, to train IPS employees regarding proper hazardous waste handling and spill response procedures."

Environment News Service had the story October 13, 2011. [2]