Ellsworth Air Force Base
Location: Meade and Pennington Counties
Contaminants: Jet Fuel · Solvents
Gilt Edge Mine
Location: Lead, Lawrence County
Contaminants: Arsenic · Cadmium · Copper · Lead · Zinc
Whitewood Creek
Location: Whitewood, Lawrence County
Contaminants: Arsenic · Cadmium · Copper · Cyanide · Mercury · Silver
Deleted: 1996
Williams Pipeline
Location: Sioux Falls, Minnehaha County
Contaminants: Petroleum-related hydrocarbons
Deleted: 1999