Regional Water Authorities

The Central Arizona Project (CAP)

A 336-mile system of aqueducts, tunnels, plants and pipelines that delivers Colorado River water to Southwestern Arizona.

The Salt River Project (SRP)

A not-for-profit utility that provides water and power to two million people in central Arizona.

Arizona Water Banking Authority

A bank that stores water in underground aquifers, which can be pumped in case of a shortage.