The Department also has the power to own, operate, acquire facilities for, construct, improve, repair, maintain, renovate, and expand the South Suburban Airport, including any facilities located on the site of the South Suburban Airport for use by any individual or entity other than the Department. The development of the South Suburban Airport shall also include all land, highways, waterways, mass transit facilities, and other infrastructure that, in the determination of the Department, are necessary or appropriate in connection with the development or operation of the South Suburban Airport. The development of the South Suburban Airport also includes acquisition and development of any land or facilities for (i) relocation of persons, including providing replacement housing or facilities for persons and entities displaced by that development, (ii) protecting or reclaiming the environment with respect to the South Suburban Airport, (iii) providing substitute or replacement property or facilities, including, without limitation, for areas of recreation, conservation, open space, and wetlands, (iv) providing navigational aids, or (v) utilities to serve the airport, whether or not located on the site of the South Suburban Airport.
620 ILCS 75/2-15