Sec. 10. "Utility", "municipally owned utility", and "public utility" have the meanings set forth in IC 8-1-2-1. However, notwithstanding IC 8-1-2-1(g), for purposes of IC 8-1.5-2-4 through IC 8-1.5-2-6.1, the term:
(1) "utility" includes any plant or equipment that is:
(A) used within Indiana for the collection, treatment, purification, and disposal in a sanitary manner of liquid and solid waste, sewage, night soil, and industrial waste; and
(B) acquired, owned, or operated by a municipality described in subdivision (2); and
(2) "municipally owned utility" includes a municipality that acquires, owns, or operates facilities for the collection, treatment, purification, and disposal in a sanitary manner of liquid and solid waste, sewage, night soil, and industrial waste.