It is declared to be the policy of this state, and within the scope of this chapter and chapter 38-8, to:
(1) Provide for conservation of the natural resources of this state;
(2) Provide for the control and prevention of soil erosion;
(3) Provide for the prevention of floodwater and sediment damages; and
(4) Provide for furthering the conservation, development, utilization, and disposal of water to:
(a) Preserve natural resources;
(b) Control floods;
(c) Prevent the impairment of dams and reservoirs;
(d) Assist in maintaining the navigability of rivers and harbors;
(e) Preserve wildlife habitat;
(f) Promote soil health principles and practices;
(g) Protect the tax base;
(h) Protect public lands; and
(i) Protect and promote the health, safety, and general welfare of the people of this state.