(A) The board of directors of a sanitary district organized wholly for the purpose of providing a water supply for domestic, municipal, and public use that includes two municipal corporations in two counties shall be appointed as follows:

1. (1) One member shall be appointed by the chief executive officer of one of the municipal corporations included in the district;
2. (2) One member shall be appointed by the chief executive officer of the other municipal corporation included in the district;
3. (3) One member shall be appointed by the legislative authority of one of the municipal corporations included in the district;
4. (4) One member shall be appointed by the legislative authority of the other municipal corporation included in the district. A person appointed by the chief executive officer and legislative authority of a municipal corporation shall be a resident of that municipal corporation.

(B) The initial terms of the members of the board of directors appointed under this section shall be as follows:

1. (1) In the case of the member appointed by the chief executive officer of the more populous municipal corporation included in the district, one year from the date of the member's appointment;
2. (2) In the case of the member appointed by the chief executive officer of the less populous municipal corporation included in the district, two years from the date of the member's appointment;
3. (3) In the case of the member appointed by the legislative authority of the more populous municipal corporation included in the district, two years from the date of the member's appointment;
4. (4) In the case of the member appointed by the legislative authority of the less populous municipal corporation included in the district, three years from the date of the member's appointment. Thereafter, terms of office of all members of the board shall be three years. Each member of the board appointed under this section shall hold office from the date of appointment until the end of the term for which the member was appointed. A vacancy shall be filled in the same manner as the original appointment. A member appointed to fill a vacancy occurring prior to the expiration date of the term for which the member's predecessor was appointed shall hold office for the remainder of that term. A member shall continue in office subsequent to the expiration date of the member's term until the member's successor takes office or a period of sixty days elapses, whichever occurs first. A member of the board appointed under this section may be reappointed. A member of the board may be removed for cause by the appointing authority that originally appointed the member.