The designated area of the Central Wheatbelt Biosecurity Association is the Shires of Dalwallinu, Koorda, Morawa and Perenjori. This region is a total of 2,167,744ha. The State Barrier Fence runs along the regions eastern boundary through all four Shires. The key industry in all four Shires is agriculture focusing on grain (wheat, barley, canola and pulses) and sheep production. All shires strive to have a high standard of living, promotes business growth and nurture agriculture in balance with the environment.