[1] The dam diverts water into the main irrigation canal serving the Albuquerque Division.

[2] The Angostura Diversion Dam consists of a concrete weir section 17 feet (5.2 m) high and 800 feet (240 m) long.

The dam was built in 1934 by the Middle Rio Grande Conservancy District (MRGCD), and in 1958 was rehabilitated by the United States Bureau of Reclamation and the Corps of Engineers as part of the Middle Rio Grande Project.

[3] Four 20 by 4 feet (6.1 by 1.2 m) top-seal radial gates supply water to the Albuquerque Main Canal.

[4] The MRGCD is responsible for operations and maintenance.