Mill Creek Station has 7 groundwater monitoring wells, 2 of which have been polluted above federal advisory levels based on samples collected between April 14, 2010 and April 17, 2013. Groundwater at this site contains unsafe levels of sulfate, manganese and molybdenum.Site description
Mill Creek Station is a 1,700 MW coal-fired power station located along the Ohio River, 20 miles southwest of downtown Louisville. The station, in operation since 1972, disposes its coal ash waste in unlined landfills, FGD ponds, and an unlined surface impoundment.Mill Creek Station is among the U.S. Environmental Protection Agency's list of potential damage cases, indicating that it has potentially polluted groundwater or surface water at levels which threaten human health and the environment. For more information about groundwater at the Mill Creek Station, see EIP's 2010 report In Harm's Way and 2011 report, America's Top Power Plant Toxic Air Polluters.