Conemaugh Generating Station has 25 groundwater monitoring wells, 22 of which have been polluted above federal advisory levels based on samples collected between January 03, 2011 and February 04, 2016. Groundwater at this site contains unsafe levels of manganese, sulfate and cadmium.Site description
Conemaugh Generating Station is a 1,711 MW coal- and oil-fired power plant located in New Florence, Pennsylvania on the Conemaugh River. Conemaugh Power Plant is operated by a subsidiary of NRG and is jointly owned by six companies including NRG, Duquesne Power and Light, Exelon, PPL, PSEG, and UGI. In 2011 and 2012, the operators of the plant at the time settled lawsuits with the Pennsylvania Department of Environmental Protection and environmental groups related to illegal discharges of contaminated wastewater to the Conemaugh River. According to the 2017 EPA Toxic Release Inventory, Conemaugh Plant disposed of the most toxic metals on land in all of PA (4,500,000 pounds). The Conemaugh Ash Filter Pond and Ash Disposal Site are both regulated under the CCR rule. You can find the industry-reported data here. For more information on the adverse effects of coal-ash groundwater pollution, see EIP’s 2019 National Coal Ash Report.