(a) If, after at least five years of substantially continuous operation of a municipal drainage system, the governing body of the municipality determines that the system should be discontinued, that the powers under this subchapter should be revoked, and that provision for municipal drainage should be made by other revenues, the governing body may adopt an ordinance to that effect after providing notice and a public hearing as provided by Section 552.045.
(b) If the municipality discontinues a system under Subsection (a), it may not adopt a system under this subchapter for at least five years after the discontinuation.
(c) A discontinuation does not affect a written obligation incurred by the municipality for funding or for the purchase of equipment, materials, or labor for the drainage system that is not then fully paid or otherwise discharged.
(d) A claim for damages based on an alleged failure of the drainage system that is filed with the municipality before the adoption of the ordinance discontinuing the drainage system is not abated by the discontinuation.