WAC 173-700-301
WAC 173-700-301. Service area
(1) The department must determine the appropriate service area for proposed banks.
(2) The sponsor must provide a detailed text description and a map of the bank's proposed service area in the instrument.
(3) The maximum extent of a service area shall be the WRIA in which the bank is located, except when inclusion of portions of adjacent WRIAs is ecologically appropriate and defensible.