Rockwood (formerly Alberta) is an unincorporated community in Imperial County, California. It is located on the Southern Pacific Railroad south of Calipatria, at an elevation of 154 feet (47 m) below sea level. The name Rockwood honors Charles R. Rockwood, irrigation promoter. The Alberta post office operated from 1910 to 1914. See also Alamo Canal References Unincorporated communities in Imperial County, California El Centro metropolitan area Imperial Valley Unincorporated communities in California