FRANKLIN ROOSEVELT LAKE AT GRAND COULEE DAM

Reservoir Levels Weather Hydrology

Reservoir Levels

Franklin Roosevelt Lake At Grand Coulee Dam

March 29 2024

1,284 ft

Franklin D. Roosevelt Lake is a reservoir created by the Grand Coulee Dam in Washington. The lake was named after President Franklin D. Roosevelt, who dedicated the dam in 1941. The dam is the largest hydroelectric facility in the United States and provides power to millions of homes. The lake has a surface area of over 100 square miles and is fed by the Columbia River and nearby snowpacks. It provides irrigation for agricultural land in the region and is a popular destination for recreational activities such as fishing, boating, and camping. The lake is also an important habitat for fish and wildlife, including salmon, trout, and bald eagles.

Geolocation -118.982, 47.956
Elevation 1,175.16 ft
Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change 0%
Percent of Normal 101%
Minimum 1,217.69 ft
2011-05-07
Maximum 1,290 ft
2011-08-02
Average 1,261 ft
Dam_Height 550
Hydraulic_Height 380
Drainage_Area 74100
Year_Completed 1941
Nid_Storage 9562000
Structural_Height 550
Primary_Dam_Type Concrete
River_Or_Stream COLUMBIA RIVER
Foundations Rock
Surface_Area 82300
Hazard_Potential High
Dam_Length 5673
Nid_Height 550

Weather Outlook



16 Day Long Term Forecast

Historical Data

LAKE OR RESERVOIR WATER SURFACE ELEVATION ABOVE NGVD 1929, FT

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