For purposes of this chapter, the following definitions shall apply:

(1) "Artificially stored groundwaters" means waters beneath the land surface within an area, subarea, or zone which are the subject of the declaration by the bureau and accepted by the department of ecology.

(2) "Bureau" means the United States Department of the Interior, Bureau of Reclamation.

(3) "Critical management area" means a specified locality within the Quincy subarea where depletion of groundwaters, including interference with surface waters, necessitates the implementation of special groundwater restrictions to ensure protection to rights and interests in said waters as set forth in this chapter.

(4) "Deep management unit" means all groundwaters underlying the shallow management unit.

(5) "Department" means the department of ecology.

(6) "Groundwaters" means all waters that exist beneath the land surface or beneath the bed of any stream, lake, or reservoir, or other body of surface water within the boundaries of the Quincy groundwater subarea.

(7) "Public groundwaters" means all groundwaters in the Quincy groundwater subarea other than artificially stored groundwater.

(8) "Quincy groundwater subarea," and "Quincy subarea" mean the subarea established pursuant to RCW 90.44.130 and set forth in chapter 173-124 WAC.

(9) "Shallow management unit" means the groundwater hydraulically continuous between land surface and a depth of 200 feet into the Quincy basalt zone and includes all of the Quincy unconsolidated zone.

It is noted that the definitions of (1) and (7) hereof are not intended to be identical with the definitions in RCW 90.44.035.