(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:(1) Subchapter J, Chapter 49, Water Code;(2) Subchapter O, Chapter 51, Water Code, before September 1, 1995;(3) former Section 4A, Chapter 523, Acts of the 54th Legislature, Regular Session, 1955 (Article 8280-189, Vernon's Texas Civil Statutes); or(4) other law.(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:(A) the City of Harker Heights;(B) the City of Copperas Cove;(C) the City of Belton; and(D) the City of Killeen;(2) the service area of the 439 Water Supply Corporation;(3) the territory of the Bell County Water Control and Improvement District No. 3; and(4) the Bell County portion of the Fort Hood Military Reservation. Added by Acts 2005, 79th Leg., Ch. 729 (H.B. 2019), Sec. 1.08, eff. April 1, 2007.Amended by: Acts 2019, 86th Leg., R.S., Ch.

3; and(4) the Bell County portion of the Fort Hood Military Reservation. Added by Acts 2005, 79th Leg., Ch. 729 (H.B. 2019), Sec. 1.08, eff. April 1, 2007.Amended by: Acts 2019, 86th Leg., R.S., Ch. 188 (H.B. 2105), Sec. 3, eff. September 1, 2019.