(a) The commission may issue an emergency order suspending the registration of the installer of an on-site sewage disposal system, regulating an on-site sewage disposal system, or both, if the commission finds that an emergency exists and that the public health and safety is endangered because of the operation of an on-site sewage disposal system that does not comply with Chapter 366, Health and Safety Code, or a rule adopted under that chapter.
(b) If an order issued under this section is adopted without notice or hearing, the order must set a time, not more than 30 days after the order is issued, for a hearing to affirm, modify, or set aside the order.