70 ILCS 810/21.1: Contracts with the County.

(a) A forest preserve district may lease or acquire from the county in which it is located any buildings or other improvements to land of the district or any equipment for use by the district or may borrow money under a loan agreement from the county to pay costs of the district in constructing, acquiring, equipping, repairing, and renovating any buildings or other improvements to land of the district or acquiring equipment for use by the district as the county and the district may agree. A lease may include options to purchase the property or equipment. The lease, installment sale contract, or loan agreement may provide for payment of interest and shall not have a term longer than 30 years.

(b) Notwithstanding any other provisions of this Act, the lease, installment sale contract, or loan agreement may be entered into without a referendum.