Cal. Wat. Code § 8617.1
Notwithstanding any of the provisions of Chapters 1 and 3 (commencing with Sections 12570 and 12800, respectively) of Part 6 of Division 6, the board may take any action and expend any available funds for the purpose of co-operating with the United States in carrying out the project for flood protection on the Sacramento River, as provided for and required under the provision of the act of Congress. Public Law 86-645, 86th Congress, approved July 14, 1960. Any reallocation of funds by the department for purposes described in this section shall be subject to the provisions of Section 12828. Prior to any appropriation of funds for the purposes described in this section, the board shall investigate and report to the Governor and Legislature on methods of feasible recovery from the beneficiaries of the work to be accomplished of that portion of the total nonfederal contribution in excess of costs of lands, easements, and rights-of-way and the liabilities which may be incurred due to the construction, operation, and maintenance of the project.
Ca. Water Code § 8617.1