The district is composed of the territory in Brazoria County described by Section 1, Chapter 55, Acts of the 40th Legislature, 1st Called Session, 1927, as that territory may have been modified under:
(1) Section 3, Chapter 103, Acts of the 41st Legislature, 1st Called Session, 1929 (Article 8263a, Vernon's Texas Civil Statutes), on or after May 23, 1929, and before August 30, 1971;
(2) Section 3a, Chapter 103, Acts of the 41st Legislature, 1st Called Session, 1929 (Article 8263a, Vernon's Texas Civil Statutes), on or after May 16, 1951, and before August 30, 1971;
(3) Subchapter H, Chapter 62, Water Code; or
(4) other law.