The State of Illinois and its various subdivisions and agencies, and all units of local government, school districts, and other entities, have the powers of condemnation and eminent domain that are (i) expressly provided in this Act or (ii) expressly provided in any other provision of law. Those powers may be exercised, however, only in accordance with this Act. If any power of condemnation or eminent domain that arises under any other provision of law is in conflict with this Act, this Act controls. This Section does not apply to the acquisition or damaging of property under the O'Hare Modernization Act.
735 ILCS 30/15-1-5