California Code, Harbors and Navigation Code - HNC § 6077.5

A harbor district may acquire, purchase, takeover, construct, maintain, operate, develop, and regulate grain elevators, bunkering facilities, belt or other railroads, floating plants, lighterage, towage facilities, and any and all other facilities, aids, equipment, or property necessary for, or incident to, the development and operation of a harbor or for the accommodation and promotion of commerce, navigation, or fishery in the harbor district.