Wash. Admin. Code § 173-591-080
If applications are made for the use of the groundwater reserved in WAC 173-591-070(2) for purposes other than public water supplies, as defined in WAC 173-591-050(6) and (7), the director may issue a permit allowing such uses but these uses shall be junior in priority to all rights issued pursuant to WAC 173-591-070. Interim uses authorized in this section may be reduced or curtailed in right when necessary to allow to full utilization of higher priority rights established in WAC 173-591-070. The department may limit or otherwise condition junior water rights permits as necessary to ensure availability of the reserved groundwaters for public water supply purposes consistent with this chapter.
Wash. Admin. Code § 173-591-080
Statutory Authority: RCW 90.54.050(1). 86-15-029 (Order DE-86-16), § 173-591-080, filed 7/14/86.