70 ILCS 2805/31
Whenever the board of trustees of any sanitary district organized under this Act shall pass an ordinance for the making of any improvement authorized by this Act and shall provide that the same shall be paid for by special assessment, as provided in Section 28 of this Act, the making of which will require that private property shall be taken or damaged, the cost of acquiring the right to take or damage such property may be included in said assessment as a part of the cost of making such improvement. Such compensation shall be ascertained in the manner provided by Division 2 of Article 9 of the "Illinois Municipal Code", approved May 29, 1961, as heretofore and hereafter amended, and all proceedings relating to the taking or damaging of said property and levying such assessment shall be in accordance with said Division 2 of Article 9 of that Code.
70 ILCS 2805/31