70 ILCS 605/12-8
Whoever wilfully prohibits, prevents or obstructs the commissioners of a district or their agents from going upon lands either within or outside of the district for the purpose of examining the same or making surveys in connection with the work of the district, or wilfully prohibits, prevents or obstructs the commissioners of a district, their agents, employees or contractors from going upon the right-of-way of the district with their servants, tools, machinery, instruments and other equipment for the purpose of constructing, reconstructing, repairing or maintaining the work of the district, is guilty of a Class A misdemeanor. Each day's hindrance constitutes a separate offense.
Any fine collected under this Section shall be paid over to the district. In addition to the criminal penalty imposed by this Section, whoever hinders the work is liable for all damages which may have been sustained by reason thereof to be recovered in a civil action.
70 ILCS 605/12-8