The Rapidan Dam is a concrete gravity dam located on the Blue Earth River in Rapidan Township southwest of Mankato, Minnesota in the United States. The dam was constructed from 1908 to 1910 to generate hydroelectric power.

What happened to Minnesota’s Rapidan Dam? Here’s what to know about its flooding and partial failure. A Minnesota dam was still standing Tuesday after floodwaters overcame parts of the structure and prompted officials to prepare for a potential collapse.

The Rapidan Dam was built in 1910 and provided hydroelectric power generation to the region until a flood in 1965. Northern States Power Company owned the dam until 1970 when Blue Earth County agreed to take ownership.

Jun 24, 2024 · RAPIDAN, Minn. — Authorities feared Monday that an aging hydroelectric dam on the Blue Earth River in southern Minnesota, under immense pressure from days of torrential rain and floating debris,...

Facts about the Rapidan Dam. Structure. Amburson type hollow reinforced concrete; Constructed: 1908 - 1910; One fatality; Height from top of dam to stream bed: 87 feet; Length: 475 feet; Spillways: 5 steel tainter gaits and 2 timber gates; Generators (not functional following 2020 flooding) Two turbines powered by falling water - 600 cubic feet ...

Jun 24, 2024 · The Rapidan Dam in Minnesota is in a precarious state after recent flooding of the Blue Earth River, prompting officials to warn Monday that it is in "imminent failure condition."

Jul 5, 2024 · Rapidan Dam’s partial failure sent an estimated 11.6 million cubic yards of sediment downstream. Experts are worried about its ecological impacts and say it could take years to fully...

Jun 26, 2024 · RAPIDAN TOWNSHIP, Minn. — Flooding on the Blue Earth River caused an abutment of the Rapidan Dam to partially fail on Monday morning, and it remains in "imminent failure condition."

Jun 26, 2024 · Part of the white house that was left teetering over the edge of an eroded bluff along the Blue Earth River at the Rapidan Dam after a partial failure of the dam has now fallen into the river.

HOW MUCH GREEN ENERGY DOES THE DAM GENERATE? When functioning at full capacity, the dam can produce up to 23 million kilowatt-hours (equivalent to 3.2 wind turbines) but has averaged 15.6 million kilowatt-hours of clean energy a year. However, high water events in 2019 and 2020 caused damage to the dam, and it has not produced any energy since ...