On Friday, Chesapeake Appalachia pleaded guilty im U.S. District Court in Wheeling, W. Va., to violating the federal Clean Water Act.
The company intends to pay a fine of $600,000 for its actions along Blake Fork.
The company would also be under court-supervised probation for two years.
U.S. District Judge Frederick P. Stamp must still accept the proposed plea agreement.
The company was charged with filling in three wetlands and destroying a waterfall during its drilling and fracking in Wetzel County.
Chesapeake Appalachia is the local operating division of Oklahoma-based Chesapeake Energy Corp.
The violations date to late 2008, according to the U.S. Environmental Protection Agency.
The company's actions affected Blake Fork and three oher streams that flow into Fish Creel that flows into the Ohio River.
Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.
Rig Count Interactive Map by Baker Hughes, an energy services company.
Shale Sheet Fracking, a Youngstown Vindicator blog.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.
Concerned Citizens of Medina County, a grass-roots group.
No Frack Ohio, a Columbus-based grass-roots group.
Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.