According to the report, the electric power industry is the leading source of chromium and chromium compounds released into the environment, representing 24 percent of releases by all industries in 2009.<Ref name="blind spot"/>
===Groups report coal waste leaks at Allen and Riverbend===
In November 2012 the Catawba Riverkeeper Foundation informed state and federal environmental regulators they discovered four seepage points from coal ash ponds, one from Duke's Allen Steam Station into Lake Wylie and three into Mountain Island Lake from Duke's Riverbend Steam Station. Lake Wylie provides drinking water for York County and Belmont, while Mountain Island Lake provides drinking water for Mecklenburg County.<ref>John Marks, [http://www.charlotteobserver.com/2012/11/09/3654433/group-reports-coal-ash-leaking.html "Group reports coal ash leaking into Lake Wylie,"] Charlotte Observer, Charlotte Observer, Nov. 20, 2012.</ref>