The board is composed of the following 15 directors:
(1) two directors appointed by the county judge of Bowie County;
(2) one director appointed by the commissioners court of Bowie County;
(3) three directors appointed by the mayor of Texarkana;
(4) one director appointed by the mayor of New Boston;
(5) one director appointed by the mayor of Hooks;
(6) one director appointed by the mayor of Nash;
(7) one director appointed by the mayor of Wake Village;
(8) one director appointed by the mayor of Leary;
(9) one director appointed by the mayor of Redwater;
(10) one director appointed by the mayor of Maud;
(11) one director appointed by the mayor of DeKalb; and
(12) one director appointed by the mayor of Red Lick.