However, no municipality may acquire, construct, establish, extend, repair or equip or thereafter repair, maintain and operate a combined waterworks, sewerage or stormwater system, which includes highways, road and drainage easements, and/or stormwater facilities constructed, owned and/or operated by the West Virginia division of highways without the express agreement of the commissioner of highways.
(b) In the event that the waterworks or sewerage system or both, or if applicable, stormwater services, are in existence prior to the creation of the combined system, and the waterworks or sewerage system or both, and if applicable, stormwater services, are supervised and controlled by a committee, board or commission, and the alternative provided for in subsection (a) of this section is to be followed with respect to the supervision and control of the combined system, the governing body may by ordinance, after the creation of the combined system, provide:
(1) The manner of and procedure for transferring supervision and control from each separate committee, board or commission to the committee, board or commission which is supervising and controlling the combined system; or
(2) The manner of and procedure for combining each separate committee, board or commission into one committee, board or commission and transferring thereto supervision and control as aforesaid.