70 ILCS 1205/9-1
Any park district has the power, subject to the limitations of Sections 9-1 to 9-1f hereof, inclusive, to acquire, construct and operate an outdoor or indoor swimming pool, or an artificial ice skating rink, and other necessary facilities pertinent thereto, and extend or improve such swimming pool or ice skating rink and facilities, borrow money, and as evidence thereof to issue its bonds, payable solely from the revenue derived from the operation thereof. These bonds may be issued in such amounts as may be necessary to provide sufficient funds to pay all the costs of the construction of the swimming pool, or the artificial ice skating rink, including engineering, legal, and other expenses, together with interest on the bonds to a date six months subsequent to the estimated date of completion. The bonds are negotiable instruments and shall be executed by the president and secretary of the district and countersigned by the treasurer.
70 ILCS 1205/9-1