A. A representative of each city or town with a population of 10,000 or more within or adjoining the area selected by the mayor thereof;

B. One representative chosen at large by a majority vote of the executive officers of the other cities or towns within or adjoining the area;

C. A representative chosen by the executive officer or the chairman of the board, as the case may be, of each of the other municipal corporations and private utilities serving one thousand or more sewer and/or water customers located within the area;

D. One representative chosen at large by a majority vote of the executive officers and chair of the boards, as the case may be, of the other remaining municipal corporations within the area;

E. A representative of each county legislative authority within the planned area selected by the chair of each board, or appointed by the County Executive and confirmed by the Council, as the case may be; and

F. If there is a metropolitan municipal corporation operating a sewerage and/or water system in the area, the chair of its council or his or her designee.