Tag: dam failure
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Green Valley Dam could fail. Army Corps working hard to shore up dam above it.
This might sound a little confusing, but apparently the way to reduce the threat of the Green Valley Dam failing after heavy rains is to shore up the Howard Hanson Dam upstream. The article says this will reduce the chances of Green Valley failing to 1 in 25 this winter. A failure would flood a…
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Back to the drawing board on Hebgen Lake repair (Must read)
I notice a lot of people have been reading this story on the gate failures at Hebgen Dam, the news of which was first brought to us on Sept. 1 by “Idahosal.” (Salle) They thought they had the way to fix the broken headgates at the dam, but it failed. Oh Oh1 PPL back to…
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Hebgen Lake Dam malfunctioning. Evacuation?
I’ve just learned from Salle E. that something is wrong with Hebgen Dam near West Yellowstone and the area downstream is being evacuated due to flooding flows of the Madison River. I see nothing on-line yet. Update. Here is a news story. It looks like a gate is stuck open and a lot of water…