RCW 79.125.010: Location of line dividing tidelands from shorelands in tidal rivers.

The department is authorized to locate in all navigable rivers in this state which are subject to tidal flow, the line dividing the tidelands in the river from the shorelands in the river, and the classification or the location of the dividing line shall be final and not subject to review, and the department shall enter the location of the line upon the plat of the tidelands and shorelands affected.