70 ILCS 2805/25a
The board of trustees of any sanitary district organized under this Act may require that before any connection is made to the sewage or drainage system of the district or the establishment of or connection to any sewage or drainage system, private or governmental, located within the territorial limits of said district, a permit shall be issued by the sanitary district and the district shall after the permit is issued be permitted to inspect the drainage lines to determine whether they are adequate and suitable and in conformance with plans and specifications upon which the permit was issued. The inspection shall be made within a reasonable time after the issuance of the permit and shall be made only with reference to the initial sewage or drainage system connection. In addition to the other charges provided for in this Act, the sanitary district may collect a reasonable charge for the issuance of the permit and the inspection service. Funds collected as inspection charges shall be used by the sanitary district for its general corporate purposes after payment of the costs of issuing the permit and making the inspection.
70 ILCS 2805/25a