Cal. Wat. Code § 8610
The board shall offer to lease to the Department of Fish and Game, or to an appropriate public resource protection or public conservation agency or organization approved by the Department of Fish and Game and the board, any lands it acquires as replacement habitat as mitigation for adverse environmental impacts of its projects. The lease agreement shall ensure that these lands are managed to provide the mitigation for which they were acquired and shall include, but not be limited to, provisions for funding management of those lands. Funds for management of those lands may include, but are not limited to, funds appropriated by the Legislature to the Department of Water Resources, the Reclamation Board, or the Department of Fish and Game, and funds available from local entities. The lease agreement shall reserve the authority of the board to carry out necessary flood control activities and mitigate adverse environmental impacts.
Ca. Water Code § 8610