First built as a Grist Mill by William Mitchell in l840. Cascade Mill was rebuilt with improved hydraulics in l876 by oatmeal king Ferdinand Schumacher. Located near lock 14 (also called Cascade Mill Lock). The building was “L” shaped and had six floors. The water power was produced by an iron overshot wheel thirty-six feet in diameter. The wheel cost $89,000 and an additional $4,000 for its foundation.