Wash. Rev. Code § 90.03.397
(1) The department may approve a change of the point of diversion prescribed in a permit to appropriate surface water for a beneficial use if the ownership, purpose of use, season of use, and place of use of the permit remain the same to an approved intake structure with capacity to transport the additional diversion to either:
[ 2011 c 117 s 1; 1999 c 232 s 2.]