(1) The department, in accordance with applicable statutory provisions, shall review the reservations for future irrigation use and future municipal use at least every five years after adoption of this management regulation.

(2) In reviewing the reservations, the department will evaluate the account of water rights established under the reservations as provided in WAC 173-531A-040(3) and 173-531A-050(2). The department will also evaluate and update the accounts of groundwater development and use on lands relating to the reserved waters and reduce the reserved amounts of surface water.