Amistad Dam

Amistad Dam (Presa la Amistad) is a major embankment dam across the Rio Grande between Texas, United States, and Coahuila, Mexico. Built to provide irrigation water storage, flood control, and hydropower generation, it is the largest dam along the international boundary reach of the Rio Grande. The dam is over 6 miles (9.7 km) long, lies mostly on the Mexican side of the border, and forms Amistad Reservoir. It supplies water for irrigation in the Rio Grande Valley, 574 miles (924 km) upstream of the Rio Grande's mouth on the Gulf of Mexico at Brownsville, Texas/Matamoros, Tamaulipas. The dam is owned and operated by the International Boundary and Water Commission (IBWC), and also facilitates the Amistad Dam Port of Entry. Amistad is derived from the Spanish word for "friendship", representing the two nations' cooperation on the dam.

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