65 ILCS 90/12

If a petition signed by at least 51 percent of the electors residing within the wastewater disposal zone and by at least 51 percent of the owners of record of the land included within the boundaries of the wastewater disposal zone is filed with the municipal clerk within 60 days following the final adjournment of the public hearing objecting to the creation of the wastewater disposal zone, the enlargement thereof, the levy or imposition of a tax or the issuance of bonds for the construction and operation of the system, or to a proposed increase in the tax rate, no such zone may be created, enlarged, or tax may be levied or imposed nor the rate increased, or no such bonds may be issued.