Plant McDonough-Atkinson has 34 groundwater monitoring wells, 27 of which have been polluted above federal advisory levels based on samples collected between August 30, 2016 and November 15, 2019. Groundwater at this site contains unsafe levels of cobalt, boron, beryllium, sulfate, arsenic, lithium, selenium, molybdenum, cadmium and radium.Site description
Georgia Power Company’s Plant McDonough-Atkinson was a 598-MW coal plant in Smyrna, Georgia, near the Coosa River in Cobb County. McDonough-Atkinson opened in 1941 and retired its two coal-fired units in 2011 and 2012. They were replaced with three natural gas-fired units in 2012. The plant operated three active disposal areas: Ash Pond Units 1, 2, and Combined Ash Pond Unit 3 and 4.