Definitions. For purposes of this chapter the following definitions shall apply. (It is noted that the (2) and (6) hereof are not intended to be identical with definitions contained in RCW 90.44.035.)

(1) "Area, subarea, or zone" means a ground water area, subarea, or zone designated by the department of ecology pursuant to RCW 90.44.130(3), which contains commingled artificially stored and public ground waters.

(2) "Artificially stored ground waters" mean water beneath the land surface within an area, subarea, or zone(s) which are the subject of a declaration accepted by the department of ecology pursuant to RCW 90.44.130(6).

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

(4) "Ground waters" means all waters beneath the land surface of an area, subarea, or zone.

(5) "Person" means individual, public, or private corporation, municipality, county, partnership, association, federal, or state agency or body, or any other entity whatsoever.

(6) "Public ground waters" means all ground waters within an area, subarea, or zone other than artificially stored ground waters.