Tex. Water Code § 60.118

(a) A district which constructs, purchases, or otherwise acquires or plans to construct, purchase, or otherwise acquire any facility authorized in Section 60.101 of this code to be paid for in whole or in part by the issuance and sale of obligations payable from and secured by a pledge of revenue authorized in this subchapter may vest management and control of the facility during the time the obligations or refunding obligations are secured in whole or in part by the pledge of revenue, in a board of trustees named in the resolution or indenture.

(b) The board of trustees shall consist of not less than five nor more than nine members, and shall be entitled to receive the compensation fixed by the resolution or indenture, which shall not be more than one percent of the gross receipts of the facility in any one year.

(c) The commission shall specify in the resolution or indenture:

(1) the terms of office of the members of the board of trustees;

(2) the powers and duties of the board, including the power to fix fees and charges for the use of the facility;

(3) the manner of exercising the powers and duties;

(4) the manner of selecting the successors of the board of trustees; and

(5) all matters relating to board members' duties and the organizing of the board.

(d) The board of trustees may adopt bylaws regulating the procedure of the board and fixing the duties of its officers, but the bylaws may not contain any provision in conflict with the covenants and provisions contained in the resolution authorizing the bonds or in the indenture.

(e) In all matters relating to powers, duties, obligations, and procedure of the board of trustees which are not covered in the bylaws and the resolution or indenture, the laws and rules governing the commission shall control, where applicable.

(f) When the board is created by the resolution or indenture, it shall have all of the power and authority for the management and operation of any facility which could be exercised by the commission.

(g) By the terms of the resolution or indenture, the commission may make provision for later supplementation of the resolution or indenture to vest the management and control of the facility in a board of trustees having the powers, rights, and duties conferred or imposed by this section.