California Code, Water Code - WAT § 11220

The unit designated as the San Joaquin Pumping System consists of a channel or canal with all necessary dams, pumping plants, conduits, and other works which the department determines to be necessary to convey a supply of water for irrigation and other beneficial uses from the lower Sacramento River into the San Joaquin Delta, and also adequate to convey and transport not less than 3,000 cubic feet of water per second from a point on the lower San Joaquin River southerly to the mouth of Fresno Slough.