John Twitty Energy Center has 17 groundwater monitoring wells, 9 of which have been polluted above federal advisory levels based on samples collected between October 20, 2016 and October 16, 2019. Groundwater at this site contains unsafe levels of antimony, molybdenum, sulfate, lithium and thallium.Site description
John Twitty Energy Center is in Springfield, Missouri in Greene County and was built in 1953. The center is owned and operated by City Utilities of Springfield. The facility has two coal-fired units with a net capacity of 494-MW. Unit 1 has been in operation since 1976 and Unit 2 began operations in 2010. City Utilities is planning to retire Unit 1 in 2027. John Twitty has one landfill regulated under the federal coal ash rule, which is 42 acres in size. The Center's holding pond began closure in December 2015.