(1) A permit is effective until revoked for cause but not beyond its term and may be subject to renewal. A permit may specify the term and conditions under which the work is to be carried out. A permit may be revoked after a hearing for violation of any of its provisions, any provision of this part, any rule promulgated under this part, or any misrepresentation in application.

  (2) A general permit may be modified or revoked if, after opportunity for a public hearing, the department determines that the activities authorized by the general permit have more than a minimal adverse impact on the environment on an individual or cumulative basis, or the activities generally would be more appropriately processed according to section 30105(3) and reviewed for compliance with section 30106.