Texas Water Code - WATER § 62.153. Duties of District Treasurer;  Authority of Designated Officer

(1) open an account for all funds received by the district treasurer for the district and all district funds which the treasurer pays out;

(2) pay out money on vouchers signed by the chairman of the commission, any two members of the commission, or the commissioners court, or any two of any number of persons delegated by the commission with authority to sign vouchers, provided that the commission may, in such delegation, limit the authority of such persons and may require that each furnish a fidelity bond in such amount as the commission shall specify and subject to commission approval;

(3) carefully preserve all orders for the payment of money;  and

(4) render a correct account to the commissioners court of all matters relating to the financial condition of the district as often as required by the commissioners court.