Subd. 1. Investigations.

If the commissioner determines that an investigation is in the public interest, the commissioner may investigate activities being conducted without a permit that may affect waters of the state.

Subd. 2. Findings and order.

1. (a) With or without a public hearing, the commissioner may make findings and issue orders related to activities being conducted without a permit that affect waters of the state as otherwise authorized under this chapter.
2. (b) A copy of the findings and order must be served on the person to whom the order is issued.
3. (c) If the commissioner issues the findings and order without a hearing, the person to whom the order is issued may file a demand for a hearing with the commissioner. The demand for a hearing must be accompanied by the bond as provided in section 103G.311, subdivision 6, and the hearing must be held in the same manner and with the same requirements as a hearing held under section 103G.311, subdivision 5. The demand for a hearing and bond must be filed by 30 days after the person is served with a copy of the commissioner's order.
4. (d) The hearing must be conducted as a contested case hearing under chapter 14.

5. (e) If the person to whom the order is addressed does not demand a hearing or demands a hearing but fails to file the required bond:

   1. (1) the commissioner's order becomes final at the end of 30 days after the person is served with the order; and
   2. (2) the person may not appeal the order.