615 ILCS 100/2

After the acquisition of the land and property aforesaid, it shall be the duty of the Department of Natural Resources, as successor to the Department of Transportation and the Department of Public Works:

(1) To take possession of said land and property.

(2) To maintain said dam at a suitable height to properly provide a sufficient depth of water north of said dam in the Fox River and the lakes adjacent thereto and connected therewith to enable said waters to be navigated.

(3) To employ a caretaker or custodian for the dam, locks and fishway and the equipment pertaining thereto and for the operation thereof.

(4) To make necessary repairs to keep said property in good condition.

(5) To make such recommendations to the General Assembly for the further improvement of said property as in its opinion the public welfare demands.