Wat. Code, § 8598

The board may also do any of the following:

(a) Establish a standard of levee construction.

(b) Do any and all things necessary or incident to the powers granted or to carry out the objects specified in this article.

(c) Maintain actions in the name of the people of the State to restrain the diversion of the water of any stream that will increase the flow of water in the Sacramento or San Joaquin Rivers or their tributaries, and such diversion of the water of any stream into the rivers or either of them or any of their tributaries, is a public nuisance which may be prevented or abated by the board.

(d) Rent, lease for oil, gas or other hydrocarbons in the manner provided for in this chapter, or dispose, by sale, exchange, in payment for work done or services rendered, or for any other purpose which the board may deem advisable, of any land, property, material, equipment, or any other thing in the possession of the drainage district, which, in the opinion of the board, is no longer needed for the purposes of flood control works or other necessary or convenient purposes.