All cities and counties in Washington are required to adopt critical areas regulations by the Growth Management Act (GMA) (RCW 36.70A.060). As defined by the GMA,"Critical areas" include the following areas and ecosystems: (a) Wetlands; (b) areas with a critical recharging effect on aquifers used for potable water; (c) fish and wildlife habitat conservation areas; (d) frequently flooded areas; and (e) geologically hazardous areas. [RCW 36.70A.030(5)]


Counties and cities are required to include the best available science in developing policies and development regulations to protect the functions and values of critical areas (RCW 36.70A.172). All jurisdictions are required to review, evaluate, and, if necessary, revise their critical areas ordinances according to an update schedule. 







City of Colfax · 400 N Mill Street · Colfax, Washington 99111 · Phone (509) 397-3861 · Fax (509) 397-3044 Non-Emergency Police: 509-397-4616