The Angostura Dam (officially known as the Belisario Domínguez Dam) is an embankment dam and hydroelectric power station on the Grijalva River near Venustiano Carranza in Chiapas, Mexico.
[3] The 146 m (479 ft) tall dam withholds one of the largest reservoirs in Mexico of volume 18,200,000,000 m3 (14,754,980 acre⋅ft).
[4][5] Initial construction on the dam began in 1969 and the foundation work in 1971.
On May 8, 1974, the dam began to impound its reservoir.
[6] On 14 July 1976, the dam's first generator went online.