03 May 2026

Teton Dam Failure - Another Look

I usually don't cover an infrastructure failure more than once, but Grady, of Practical Engineering, has a new video review of the failure. It turns out that he worked on a similar dam after the failure.

Here is a reference from The US Department of the Interior, Bureau of Reclamation factsheet on the incident. Teton Dam History & Facts. (For more links, see below the embedded video.)

On June 5, 1976, Teton Dam in southeastern Idaho catastrophically failed during its first fill. Early that Saturday morning, bulldozer operators tried in vain to plug seepage holes on the downstream face of the dam. By 11 a.m., a torrent of water ripped through the dam, releasing more than 1 million cubic feet per second.

This is the Practical Engineering video The Wild Story of the Teton Dam Failure

For more from the Bureau of Reclamation, see this link. That collects a lot of info, including some interviews with people impacted by the failure, and there is a link to the final report on what went wrong from the independent panel assigned to investigate the failure.

My previous post on the Teton Dam failure is Teton Dam Failure and Legacy - Updated

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