Tex. Water Code § 11.083: OTHER UNLAWFUL TAKING.

(a) No person may wilfully open, close, change, or interfere with any headgate or water box without lawful authority.

(b) No person may wilfully use water or conduct water through his ditch or upon his land unless he is entitled to do so.

Amended by Acts 1977, 65th Leg., p. 2207, ch. 870, Sec. 1, eff. Sept. 1, 1977; Acts 1997, 75th Leg., ch. 1072, Sec. 4, eff. Sept. 1, 1997.