What is Central Arizona Project?
A VISION FOR ARIZONA. In the early 20th century, Arizona’s leaders knew the state’s future depended on a water supply that was secure, stable and renewable. They pursued that vision; the result was Central Arizona Project (CAP), a 336-mile system that brings Colorado River water to central and southern Arizona, is the state’s single largest renewable water supply and serves 80% of the state’s population. Read more.