Minnesota’s Rapidan Dam partial failure: Here’s what to know

It’s the second-largest flood in the dam’s history and the equivalent of once-a-century flooding.

The visuals were stunning: Water from the Blue Earth River surged around a southern Minnesota dam, carrying a shipping container with it as it toppled utility poles, wrecked a substation and washed away part of a riverbank. A home on the edge of the eroded slope collapsed into the river.