(A)   The Superintendent and other duly authorized employees of the village, the Illinois Environmental Protection Agency, and the United States Environmental Protection Agency, bearing proper credentials and identification, shall be permitted at all reasonable times to enter all properties for the purposes of inspection, observation, measurement, sampling and testing in accordance with the provisions of this chapter. The Superintendent or his or her representative shall have no authority to inquire into any processes, including metallurgical, chemical, oil refining, ceramic, paper or other industries beyond that point having a direct bearing on the kind and source of discharge to the sewers or waterway or facilities for waste treatment.
   (B)    While performing the necessary work on private properties referred to in division (A) above, the Superintendent or duly authorized employees of the village shall observe all safety rules applicable to the premises established by the company and the company shall be held harmless for injury or death to the village employees and the village shall indemnify the company against loss or damage to its property by village employees and against liability claims and demands for personal injury or property damage asserted against the company and growing out of the gauging and sampling operation, except as such may be caused by negligence or failure of the company to maintain safe conditions as required by § 53.05(H), concerning sewerage system regulations.
   (C)   The Superintendent and other duly authorized employees of the village bearing proper credentials and identifications shall be permitted to enter all private properties at all reasonable times through which the village holds a duly negotiated easement for the purposes of but not limited to inspection, observation, measurements, sampling, repair and maintenance of any portion of the sewerage works lying within the easement. All entry and subsequent work, if any, on the easement, shall be done in full accordance with the terms of the duly negotiated easement pertaining to the private property involved.
(1983 Code, § 7-3-9)