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.
(Amended by Stats. 1959, Ch. 2090.)