Upon a petition requesting that two or more adjacent towns or road districts be erected into a health district and containing the signatures of legal voters in number not less than 10% of the total vote cast in each of two or more adjacent towns or road districts, and filed with the county clerk, the proposition of erecting such towns or road districts into a public health district shall be submitted to a vote of the people of such towns or road districts in the manner provided by the general election law.
70 ILCS 905/3