70 ILCS 3405/19
Any surface water protection district may borrow money for its corporate purposes and may issue bonds therefor, but shall not become indebted in any manner, or for any purpose, in an amount exceeding, in the aggregate, 5% of the valuation of taxable property therein, to be ascertained by the last equalized assessment for State and county taxes previous to the incurring of such indebtedness. Whenever the board of trustees of the district desires to issue bonds under this Section it shall, except as otherwise provided in Section 20a, certify the question to the proper election officials, who shall submit the question at an election in accordance with the general election law. The result of the referendum shall be entered upon the records of the district. If a majority of the votes on the question are in favor of the issuance of bonds, the board of trustees shall order and direct the execution of the bonds for and on behalf of the district. All bonds issued hereunder shall mature in not exceeding 20 annual installments. The ballots for elections held under this Section shall be in substantially the following form:
------------------------------------------------------------------------ Shall .... Surface Water YES Protection District issue bonds ----------------------------------- in the amount of .... dollars? NO ------------------------------------------------------------------------
70 ILCS 3405/19