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Reservoirs & Dams

All Southwest Rockies, Northwest & Alaska Northern Plains Oklahoma East & Great Lakes
Rank by: A–Z Area (sq mi) Max depth (ft)

6 entries

Grand Coulee Dam

The largest power plant in the United States, on the Columbia River

Lake Mead

Hoover Dam's reservoir on the Colorado River, now at record lows

Lake Oahe

A 231-mile Missouri River reservoir across the Dakotas

Lake Powell

Glen Canyon Dam's reservoir on the Colorado River in Utah and Arizona

Lake Sakakawea

The Garrison Dam reservoir on the Missouri River in North Dakota

Shasta Lake

California's largest reservoir, behind Shasta Dam on the Sacramento River