rks, projects, or other facilities necessary to control and treat storm water within the county or any zone or zones. (6) Supervisors" means the board of supervisors, or governing body, of a zone. (7) Zones" means flood control zone districts which are quasi municipal corporations of the state of Washington created by this chapter.[1983 c 315 ?? 11; 1961 c 153 ?? 1.]Notes: Severability -- 1983 c