Ill. Admin. Code tit. 92, § 530.810
a) Failure of the permittee to do any of the following constitutes grounds to revoke a permit issued under this Part:
d) If the Department finds mitigating circumstances (such as unavailability of funds or that the failure to comply had not caused major problems), the Department may impose sanctions and conditions on a permittee which may include, but not be limited to, the following: