Texas Special District Local Laws Code - SDLL § 9055.160. Adoption of rules

(1) secure, maintain, and preserve the sanitary condition of water in and water that flows into any reservoir owned by the district;

(2) prevent waste of or the unauthorized use of water; and

(3) regulate residence, hunting, fishing, boating, camping, and any other recreational or business privilege along or around any district reservoir and the stream leading into the reservoir, and its tributaries, or any body of land, or easement owned or controlled by the district. (Acts 53rd Leg., R.S., Ch. 268, Sec. 21(a).)