The All-American Canal is the Imperial Valley's lifeline from the Colorado River. Approximately 3.1 million acre-feet of Colorado River water is delivered annually through the All-American Canal to nine cities and 500,000 acres of agricultural lands throughout the Imperial Valley.

Considered an engineering marvel, even by today's standards, the 82-mile gravity-flow All-American Canal begins at Imperial Dam on the Colorado River about 20 miles northeast of Yuma, Arizona. Dropping a total of 175 feet between Imperial Dam and the Westside Main Canal, the All-American Canal extends south and then west, following the Mexican/American border much of the way. 

Crossing 14 miles of sand dunes on the east side of the Imperial Valley, the All-American Canal ends in the southwest corner of the Imperial Irrigation District's delivery area. The AAC is currently unlined, resulting in substantial losses to seepage. The All-American Canal Lining Project (Project) will result in the concrete lining of 23 miles of the unlined AAC.

All-American Canal