RCW 90.16.040: Right of eminent domain by water power companies—Right of entry.

Every corporation that is now or that may hereafter be incorporated under the laws of this state, or of any other state or territory of the United States and doing business in this state, for the purpose of conveying water by ditches, flumes, pipe lines, tunnels or any other means for the utilization of water power, shall have the right to enter upon any land between the termini of the proposed ditches, flumes, pipe lines, tunnels or any other means for the utilization of water power, for the purpose of examining, locating and surveying such ditches, flumes, pipe lines, tunnels or any other means for the utilization of water power, doing no unnecessary damage thereby.