Texas Health and Safety Code - HEALTH & SAFETY § 362.015. Payment of Contract from Sources Other Than Taxes

(a) A public agency may use any available revenue or resource for, or pledge the revenue or resource to, payment of all or part of the amount due under a contract under Section 362.014. The public agency may agree in the contract to assure availability of payment when required.

(b) The public agency may agree to make sufficient provision in its annual budget to make all payments under the contract.

(c) The public agency may fix, charge, and collect, from its inhabitants or other users or beneficiaries of a service or facility provided in connection with the contract, a fee, rate, charge, rental, or other amount for the service or facility, including a water charge, sewage charge, solid waste disposal fee or charge, garbage collection or handling fee, or other fee or charge. The public agency may use those amounts for, or pledge them to, payments required under the contract, and may agree in the contract to make that use or pledge in an amount sufficient to make all or part of the payments when due.