Teton Dam

The Teton Dam was a concrete-faced rockfill dam in Idaho, United States, built by the U.S. Bureau of Reclamation. Its construction was completed in 1976, but it failed less than a year later, on June 5, 1976, during its first filling. The failure caused catastrophic flooding downstream, resulting in significant loss of life and property damage.

The dam's purpose was to provide irrigation water and generate hydroelectric power. However, concerns about its environmental impact and the potential for failure were raised during its planning and construction. The dam's collapse highlighted the importance of thorough geological and engineering assessments in large-scale infrastructure projects. The failure led to extensive investigations and changes in dam safety regulations in the United States.12