The central arizona irrigation and drainage district (caidd) is a political subdivision and municipal corporation of the state of arizona

Caidd was established in 1964 to supply irrigation water for agricultural use within pinal county, arizona for approximately 87,600 acres as well as for residential and commercial use. The overall system consists of 41 miles of open channel main stem canals, 139.25 miles of open channel laterals and 34.75 miles of pipelines. Since 1990, caidd has relied on two primary sources of water: central arizona project (cap) and previously, their groundwater retention system consisting of a network of 350 wells and conveyance structures.caidd is slowly working to upgrade their irrigation system to improve measurement accuracy, control, and application of water onto irrigated lands. The system operation review (SOR) will provide the management tools to help identify and prioritize the improvements that are needed to modernize and better operate the complex network of canals, laterals, pipelines, wells/pumps, and appurtenant features in the most efficient manner.caidd will evaluate their entire delivery system ranging from individual components that need repairs/replacements/ improvements to overall management for coordination and scheduling, flow paths and demand/use. They will collaborate with the local farmers and producers to identify on-farm projects that will complement associated improvements. Caidd will provide critical support services to the isolated desert community, including the tohono o'odham indian nation, SAN lucy district, tohono o'odham farming authority, and other agricultural lands