Sec. 11. (a) Upon completion of a project, the local public utility shall be responsible for operating and maintaining:
(1) the mains installed; and
(2) any portion of the connecting service lines that are located in a public right-of-way.
(b) Upon completion of a project, each property owner shall be responsible for maintaining, repairing, and replacing, if necessary, the portion of the service line on the property served that is not required to be serviced by the local public utility under subsection (a).