description Lake Oahe Overview
Lake Oahe is a massive reservoir straddling the states of South Dakota and North Dakota on the Missouri River. It was created by the construction of the Oahe Dam, which was completed in 1962 by the U.S. Army Corps of Engineers. As one of the largest reservoirs in the United States by volume, it extends for over 230 miles upstream.
The lake plays a critical role in regional flood control, navigation, irrigation, and hydroelectric power generation.
help Lake Oahe FAQ
What is Lake Oahe?
Lake Oahe is a large reservoir on the Missouri River that stretches through South Dakota and North Dakota. It was created by Oahe Dam, which the U.S. Army Corps of Engineers completed in 1962.
Where is Lake Oahe located?
The reservoir lies in the northern Great Plains, with shorelines in both South Dakota and North Dakota. Pierre, South Dakota, is one of the important communities near its southern section.
How was Lake Oahe formed?
Lake Oahe formed when the Missouri River was impounded behind Oahe Dam. The dam is part of the Missouri River flood-control and power system managed by the U.S. Army Corps of Engineers.
What can people do at Lake Oahe?
Lake Oahe is used for boating, fishing, camping, and other outdoor recreation. Its reservoir shoreline and tributary areas provide habitat for fish and wildlife across the Dakotas.
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