A.B. Brown Generating Station has 31 groundwater monitoring wells, 25 of which have been polluted above federal advisory levels based on samples collected between November 18, 2010 and November 16, 2017. Groundwater at this site contains unsafe levels of sulfate, boron, lithium, molybdenum, arsenic, cobalt, radium, lead and selenium.Site description
A.B. Brown Generating Station is a 650 MW coal and natural gas fired power plant located in Posey County, Indiana. The plant is owned by Southern Indiana Gas & Electric Co., a subsidiary of Vectren. The station operates three units regulated under the CCR rule: Landfill, Sedimentation Pond and Ash Pond. A.B. Brown Generating Station is among the U.S. Environmental Protection Agency's list of potential damage cases, indicating that coal ash disposal at the site has potentially polluted groundwater or surface water at levels which threaten human health and the environment.