Cal. Wat. Code § 12845
In order to realize the full potential of such projects for fish and wildlife enhancement and for recreational development, state agencies having resource management responsibilities affected by the project are authorized to cooperate with federal and local sponsoring agencies through all stages of the project formulation and planning process, and to develop such data as, in their judgment, may be necessary to carry out the intent and purpose of this chapter. Such physical features as may be necessary to permit full public utilization of the completed project for recreational purposes shall be constructed and such lands as may be necessary for recreational purposes and for fish and wildlife enhancement shall be acquired at the same time and in the same manner as lands for other project purposes.
Ca. Water Code § 12845