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Franklin Delano Roosevelt Lake

Franklin D. Roosevelt Lake
Gifford Ferry.JPG
Gifford Ferry crossing Lake Roosevelt near Inchelium; James Stripes photo
Location Washington, US
Coordinates 47°57′22″N 118°58′50″W / 47.95611°N 118.98056°W / 47.95611; -118.98056Coordinates: 47°57′22″N 118°58′50″W / 47.95611°N 118.98056°W / 47.95611; -118.98056 at Grand Coulee Dam
Lake type reservoir
Primary inflows Columbia River, Spokane River
Primary outflows Columbia River
Basin countries United States
Surface area 125 sq mi (320 km2)

Franklin D. Roosevelt Lake (also called Lake Roosevelt) is the reservoir created in 1941 by the impoundment of the Columbia River by the Grand Coulee Dam in Washington state. It is named for Franklin D. Roosevelt, who was President during the construction of the dam. Covering 125 square miles (80,000 acres), it stretches about 150 miles (240 km) from the Canada–US border to Grand Coulee Dam, with over 600 miles (970 km) of shoreline; by surface area it is the largest lake and reservoir in Washington. It is the home of the Lake Roosevelt National Recreation Area.

The reservoir lies in parts of five counties in northeastern Washington; roughly in descending order of lake acreage they are Ferry, Stevens, Lincoln, Okanogan, and Grant counties. A good indication of the extent of the lake can be seen from a map centered about the town of Inchelium 48°17′49″N 118°11′48″W / 48.29694°N 118.19667°W / 48.29694; -118.19667.

Once the lake formed behind Grand Coulee Dam, the Bureau of Reclamation referred to it as the Columbia Reservoir. In Stevens County, the Colville Examiner and other local newspapers referred to the lake as Empire Lake.


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