Tex. Water Code § 11.502
(1) The definition of the term "wetlands" within the State of Texas, for purposes of the Clean Water Act, 33 U.S.C. 1311, 1344; the Erodible Land and Wetland Conservation and Reserve Program, 16 U.S.C. 3801-3845; the Emergency Wetlands Resources Act of 1986, 16 U.S.C. 3901-3932; the National Environmental Policy Act of 1969, 42 U.S.C. 4321-4370a, all statutory foundation for the Federal Wildlife Service's National Wetlands Inventory mapping, including the Water Bank Program for Wetlands Preservation, 16 U.S.C. 1301-1311; the Water Resources development project (wetland areas), 42 U.S.C. 1962d-5e; and the Migratory Bird Conservation Act, 16 U.S.C. 715-715r; and all Texas laws, rules, and regulations adopted pursuant to Chapter 2001, Government Code and interpretation and implementation of any kind whatsoever of both federal and state laws by agencies of the state, including any amendment or revision thereto, relating to wetlands, means an area (including a swamp, marsh, bog, prairie pothole, or similar area) having a predominance of hydric soils that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support and that under normal circumstances supports the growth and regeneration of hydrophytic vegetation.
(4) The term "wetlands" does not include:
Added by Acts 1989, 71st Leg., ch. 1202, Sec. 1, eff. Aug. 28, 1989.
Amended by Acts 1995, 74th Leg., ch. 76, Sec. 5.95(49), eff. Sept. 1, 1995.