(a) The authority may impose an ad valorem tax throughout the territory of the authority at a rate not to exceed the rate approved at an election held in accordance with Section 8513.0602 for:
(1) the maintenance of the authority and its improvements;
(2) general administration; or
(3) planning and other services with respect to any of the purposes, rights, privileges, and functions of the authority.
(b) The tax may not:
(1) be used to pay for or finance:
(A) the construction of a dam, reservoir, levee, channel, pipeline, or other major physical work of the authority;
(B) the cost or expenses of a right-of-way acquisition; or
(C) damages awarded by a court for a suit brought under Section 17, Article I, Texas Constitution; or
(2) be pledged to any issue of or the redemption of bonds authorized under Section 8513.0702.