Cagles Mill Lake, also known as Cataract Lake, is a reservoir located near Cataract, Indiana in , in west central Indiana on the borders of Putnam and Owen counties. It is alimented from the north by Mill Creek and drains out through to the Eel River to its south, which then makes its way to the White River. Indiana State Road 42 once went through where Cataract Lake is now and currently has a new, entirely different route on the upper area from its original route.