Tex. Spec. Dist. Code § 9003.058
(a) Unless the board by resolution increases the fee to an amount authorized by Section 49.060, Water Code, a director is entitled to receive an amount determined by the board, not to exceed $40 a day, for:
Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.