Cal. FGC § 2003.6

The department may implement the “Adopt a Lake Program” to facilitate private groups’ and associations’ undertaking volunteer efforts to rehabilitate and improve fisheries, fish habitat, and resources. In implementing this program, the department shall prepare and periodically update a plan for the volunteer efforts to be undertaken. The plan shall be prepared cooperatively by the department, the private group or association, and the public agency with jurisdiction over the inland water to be affected by the plan. The plan shall be consistent with the management plan and management objectives of the department and the public agency with jurisdiction over the inland water.