Section 231.072 - Definitions In this subchapter:
(1) "Lake" means an inland body of standing water, including a reservoir formed by impounding the water of a river or creek but not including an impoundment of salt water or brackish water, that: (A) has a storage capacity of more than one million acre-feet; and(B) is owned in whole or part by a political subdivision of this state, including a special-purpose district or authority.(2) "Lake area" means the area within 5,000 feet of where the shoreline of a lake would be if the lake were filled to its storage capacity.Tex. Loc. Gov't. Code § 231.072
Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. 9/1/1987.