(a) The authority has:
(1) the functions, powers, rights, and duties as may permit the authority to accomplish the purposes for which it is created;
(2) the powers of this state under Section 59, Article XVI, Texas Constitution; and
(3) all powers, rights, privileges, and functions conferred on navigation districts by general law.
(b) Except as otherwise provided by this chapter, the authority has the rights, power, and privileges conferred by the general law applicable to a water control and improvement district created under Section 59, Article XVI, Texas Constitution, including Chapter 51, Water Code.
(c) The authority is governed by Chapters 49, 60, and 62, Water Code, but in all areas of conflict, Chapter 62 takes precedence.