RCW 35A.21.090: Jurisdiction over adjacent waters—Control of street over tidelands.

The legislative body of a code city shall have supervision and control within its corporate limits of streets over tidelands or upon or across tide and shore lands [tidelands and shorelands] of the first class as provided in RCW 35.21.230, 35.21.240 and 35.21.250; and shall have jurisdiction over adjacent waters as provided in RCW 35.21.160.