Overview
Grand Coulee Dam impoundment on the Columbia River — one of the largest U.S. reservoirs by surface area.
On the Lake
Find key access points and services around Lake Roosevelt.

Washington
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Water level
4.95 ft
-1,285.05 ft below full pool
Full pool: 1,290 ft
Updated: 3 hr ago • Source: USGS Lake Level
At-a-glance
Grand Coulee Dam impoundment on the Columbia River — one of the largest U.S. reservoirs by surface area.
Find key access points and services around Lake Roosevelt.
Within 50 miles
No other lakes with locations within 50 miles.