(a) On the basis of an inspection, if the commission has reason to believe that a pattern of violations of any requirements of this chapter or any permit conditions required by this chapter exists or has existed, and if the commission also finds that these violations are caused by the unwarranted failure of the permittee to comply with requirements of this chapter or permit conditions or that the violations are wilfully caused by the permittee, the commission shall issue an order to the permittee forthwith to show cause as to why the permit should not be suspended or revoked.
(b) The order shall set a time and place for a public hearing to be held in accordance with the notice and procedural requirements of Sections 131.159 through 131.164 of this code.

(c) On failure of a permittee to show cause why the permit should not be suspended or revoked, the commission shall promptly suspend, or revoke the permit.