Sec. 363.144.  ADJUSTMENT OF RATES FOR ADEQUATE REVENUE.  A public agency shall adopt and adjust the rates charged for solid waste management services so that revenues, together with taxes levied to support the services, will be sufficient to pay:
(1)  the expense of operating and maintaining the solid waste management system, including a resource recovery system; 
(2)  the public agency's obligations under a contract;  and
(3)  the public agency's obligations under and in connection with bonds issued that are secured by revenues from the solid waste management service or a solid waste management system, including a resource recovery system.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.