Coffeen Power Station has 52 groundwater monitoring wells, 25 of which have been polluted above federal advisory levels based on samples collected between March 05, 2010 and August 26, 2019. Groundwater at this site contains unsafe levels of sulfate, boron, cobalt, lithium, arsenic, manganese, lead, cadmium, chromium, beryllium, molybdenum, thallium and nitrate.
Site descriptionCoffeen Power Station was a coal-fired power plant previously owned and operated by Dynegy in Coffeen, Illinois in Montgomery County. The facility was first built in 1965. In 2018 Dynegy merged with Vistra Energy, who closed the facility in 2019. The plant had a net generating capacity of 915-MW. Coffeen Power Station had two operating units. Coffeen Power Station was 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. The station had Ash Ponds 1 and 2, Landfill, GMF Gypsum Stack Pond, and GMF Recycle Pond regulated under the CCR rule.
You can find the industry-reported data here. For more information about the Coffeen Power Station, see EIP's 2019 National Coal Ash Report.