POWERS OF CITY OF DALLAS.

(a) Nothing in this Act shall preclude or prohibit the city of Dallas from initiating, developing, completing, extending, or maintaining any project, as described in Subsection (b) of this section, whether the project may be located within, partially within, or adjacent to the boundaries of Trinity River State Park.

(b) For purposes of this section, the city of Dallas by ordinance or resolution of the governing body may approve and authorize any or all of the following:

(1) the development of a lake to be located within the flood plain of the Trinity River within the city of Dallas;

(2) the extension of Trinity River flood controls which shall include but not be limited to the construction of drainage channels, swales, levees, and associated flood control appurtenances in the Trinity River flood plain which may be constructed and maintained within the boundaries of Trinity River State Park;

(3) the extension of Simpson Stuart Road at the point where it may cross the flood plain of the Trinity River; and

(4) the construction of swales in or adjacent to the natural channel of the Trinity River as necessary to provide offset capacity for full utilization of the McCommas Bluff Reclamation landfill.

(c) If the city of Dallas approves a project, as authorized by this section, the department shall grant the city of Dallas access to land within Trinity River State Park and whatever permissions are necessary in order to attain the purposes of the project.

(d) For purposes of this section, Chapter 276, Acts of the 61st Legislature, Regular Session, 1969 (Article 5421q, Vernon's Texas Civil Statutes), does not apply.