FRANKLIN ROOSEVELT LAKE AT GRAND COULEE DAM
Reservoir Levels • Weather • Hydrology
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.
May 20, 2024
°F
°F
mph
Windspeed
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Humidity
| Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | 0% |
| Percent of Normal | 102% |
| Minimum |
1,217.69 ft
2011-05-07 |
| Maximum |
1,290 ft
2011-08-02 |
| Average | 1,251 ft |
| Dam_Height | 550 |
| Hydraulic_Height | 380 |
| Drainage_Area | 74100 |
| Year_Completed | 1941 |
| Nid_Storage | 9562000 |
| Hazard_Potential | High |
| Structural_Height | 550 |
| Primary_Dam_Type | Concrete |
| River_Or_Stream | COLUMBIA RIVER |
| Foundations | Rock |
| Surface_Area | 82300 |
| Dam_Length | 5673 |
| Nid_Height | 550 |
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