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Gavin's Point Dam

a hydroelectric dam on the Missouri River near Yankton, South Dakota, on the Nebraska-South Dakota border

Gavin's Point Dam

Type earth fill
Dam Length 8,700 feet
Height from Base 74 feet

Spillway Length 664 feet
Waterfall Height
45 feet
Tainter Gates 14, each 40 feet wide by 30 feet tall

Power Plant three 44-megawatt generators

Construction Start 1952
Power Generation Start 1957
Dedication August 18, 1957

Lewis & Clark Lake Length 25 miles
Maximum Depth 45 feet
Shoreline 90 miles

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The Robinson Library >> Dams

This page was last updated on August 17, 2018.