(a) To provide for the safety and welfare of persons and their property or for the protection and security of authority property and facilities, the board may adopt rules with respect to authority property and any water reservoir or dam the construction, operation, or management of which is participated in by the authority to control and regulate:
(1) ingress, egress, and use; and
(2) the operation of land and water vehicles.
(b) All public roads, streets, and state highways that as of September 1, 1975, traversed the areas to be covered by any impounded water shall remain open as a way of public passing to and from the lakes created, unless changed by lawful authority.