California Code, Public Resources Code - PRC § 5093.547

(a) The secretary shall study and submit to the Governor and the Legislature reports on the suitability or nonsuitability for addition to the system of rivers or segments thereof which are designated by the Legislature as potential additions to the system. The secretary shall report to the Legislature his or her recommendations and proposals with respect to the designation of a river or segment.

(b) Each report, including maps and illustrations, shall show, among other things, the area included within the report, the characteristics which do or do not make the area a worthy addition to the system, the current status of land ownership and use in the immediate environment, and the reasonably foreseeable potential uses of the land and water which will be enhanced, foreclosed, or curtailed if the river or river segment were included in the system.