Tex. Spec. Dist. Code § 9005.003
(a) The district is composed of the territory described by Subsection (b) and Section 1, Chapter 523, Acts of the 54th Legislature, Regular Session, 1955 (Article 8280-189, Vernon's Texas Civil Statutes), as that territory may have been modified under:
(b) Effective September 1, 2019, the territory of the district includes the following areas as those areas are legally described on that date:
(1) the territory inside the corporate boundaries of:
Added by Acts 2005, 79th Leg., Ch. 729 (H.B. 2019), Sec. 1.08, eff. April 1, 2007.
Acts 2019, 86th Leg., R.S., Ch. 188 (H.B. 2105), Sec. 3, eff. September 1, 2019.