6, is a lock and dam facility managed by the U.S. Army Corps of Engineers along the Illinois River, near Starved Rock.

Along the original Illinois Waterway, Starved Rock Lock and Dam is the southernmost facility.

[1] The Waterway was a project designed to provide a navigable channel from the Great Lakes to the Gulf of Mexico via the Mississippi River.

[3] Under the authority of the Rivers and Harbors Act of 1930 the federal government oversaw the completion of Starved Rock Lock and Dam in 1933.

[2][5] The chamber of the lock is formed by two parallel gravity section walls 38 feet (12 m) tall on the north and south.

[6] Legislation which codified the construction of the Waterway only stipulated the general design and location of the locks and dams along the Illinois River; the details were left to Barnes, Smith and other engineers.

[7] A hydroelectric power station generates a peak of 7,600 kW of electricity, and is operated by the city of Peru, Illinois.

[9] It was listed as part of the Illinois Waterway Navigation System Facilities Multiple Property Submission.