The department, either independently or in co-operation with any person or any county, state, federal, or other agency, may do any of the following:
- (a) Conduct investigations of all or any portion of any stream, stream system, lake or other body of water.
- (b) Investigate either or both surface and underground water conditions.
- (c) Collect records of diversion and use of water.
- (d) Supervise distribution of water in accordance with agreements and court orders therefor.
- (e) Conduct investigations of the rate of use of water for various purposes and considering various soil conditions.