(1) This part does not repeal any law governing the pollution of lakes and streams, but shall be held and construed as ancillary to and supplementing the other laws and in addition to the laws now in force, except as a law may be in direct conflict with this part. This part does not apply to ferrous and nonferrous mining operations subject to parts 631 and 632 with respect to mining areas, as defined in section 63101 and 63201, with regard to the placement, removal, use, or processing of mineral tailings or mineral deposits being placed in inland waters on bottomlands owned by or under the control of the ferrous or nonferrous mineral operator unless there is to be a discharge of waste or waste effluent from the inland waters into waters of the state. This part does not apply to the discharge of water from underground ferrous and nonferrous mining operations unless there is to be a discharge of waste or waste effluent into the waters of the state.

  (2) The exemption provided in subsection (1) does not apply to inland waters owned by or under control of a ferrous or nonferrous mineral operator if there is an inland lake or stream as defined in section 30101 that flows both into those inland waters and out from those inland waters directly into the waters of the state.