Sec. 3. (a) As used in this chapter, "sewerage system" means plants, works, systems, facilities, or properties used or having the capacity for use in connection with the:
(1) collection;
(2) carrying away;
(3) treating;
(4) neutralizing;
(5) stabilizing; or
(6) disposing;
of sewage, industrial waste, or other wastes and any integral part of the wastes.
(b) The term includes the following:
(1) Disposal fields, lagoons, pumping stations, drainage ditches, surface water intercepting sewers, lateral sewers, force mains, pipes, pipelines, conduits, equipments, and appurtenances.
(2) All properties, rights, easements, and franchises relating to the system considered necessary or convenient by the board.