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Rapidan Dam
Rapidan Dam
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
Two turbines powered by falling water
600 cubic feet per second each
Two generators, three million watts each
Power for 2,000 to 3,000 residences with both generators running at capacity
Blue Earth River at Dam Partnership
Drainage area above dam: 2,430 square miles
Blue Earth County owns the dam and reservoir
Mean flow: 827 cubic feet per second
100 year flood: 34,600 cubic feet per second
Eagle Creek Renewable Energy owns turbines, generators, electrical equipment, and operates dam
Flood of record: 43,100 cubic feet per second
See the
current flow
.
Reservoir Principal Regulators
Extent: 318 acres, 6.3 miles long - Federal Energy Regulatory Agency (FERC)
Estimated sediment: 11,000,000 cubic yards - Minnesota Department of Natural Resources (MNDNR)
Rapidan Dam Park
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