Subdivision 1.
Policy.
To conserve and use water resources of the state in the best interests of its people, and to promote the public health, safety, and welfare, it is the policy of the state that:
(1) subject to existing rights, public waters are subject to the control of the state;
(2) the state, to the extent provided by law, shall control the appropriation and use of waters of the state; and
(3) the state shall control and supervise activity that changes or will change the course, current, or cross section of public waters, including the construction, reconstruction, repair, removal, abandonment, alteration, or the transfer of ownership of dams, reservoirs, control structures, and waterway obstructions in public waters.