Tex. Government Code § 1501.006: RATES FOR SERVICE.

(a) The governing body of a municipality that issues bonds under this subchapter shall establish rates for sewer service in amounts sufficient to:

(1) pay:

(A) maintenance and operation expenses;

(B) the bonds as they are scheduled to mature; and

(C) interest on the bonds as it accrues; and

(2) establish and maintain any fund provided in the ordinance authorizing the bonds.

(b) Notwithstanding Subsection (a), the municipality may not, during the term of a contract for sewer service, increase the amount of the consideration for that service specified in the contract except:

(1) as the contract provides; or

(2) as the parties to the contract agree.

Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.