Tex. Parks & Wild. Code § 31.179
(a) In addition to a game warden, any peace officer of a municipality or other political subdivision of this state who is certified as a marine safety enforcement officer under Section 31.121 may enforce this subchapter:
(2) in any part of a lake that is partly or wholly inside the boundaries of:
Added by Acts 2007, 80th Leg., R.S., Ch. 1159 (H.B. 12), Sec. 19A(a), eff. June 15, 2007.