California Code, Public Resources Code - PRC § 30985

(a) A local government lying, in whole or in part, within the coastal zone or within the jurisdiction of the San Francisco Bay Conservation and Development Commission shall develop a sea level rise plan as part of either of the following, as applicable:

(b) The sea level rise plan required pursuant to subdivision (a) shall include, at a minimum, all of the following:

(c) A timeline for sea level rise plan updates, as required pursuant to paragraph (5) of subdivision (b), shall include economic impact analyses of, at a minimum, costs to critical public infrastructure and recommended approaches for implementing the sea level rise adaptation strategies and recommended projects pursuant to paragraph (3) of subdivision (b).

(d) All local governments subject to the requirements of subdivision (a) shall comply with this section by January 1, 2034.

(e) For purposes of this section, “critical public infrastructure” includes, but is not limited to, transit, roads, airports, ports, water storage, and conveyance, wastewater treatment facilities, landfills, powerplants, and railroads.

(f) The California Coastal Commission or the San Francisco Bay Conservation and Development Commission may deem existing sea level rise information or sea level rise plans prepared by a local government to satisfy one or all of the requirements of subdivisions (b) and (c).