Name of Dam

State

Project

Region

Dam Use

Rainbow

California

Orland

Mid Pacific

Diversion

Ralston

Wyoming

Shoshone

Great Plains

Storage

Rattlesnake

Colorado

Colorado-Big Thompson

Great Plains

Storage

Red Bluff

California

CVP - Sacramento Canals

Mid Pacific

Diversion

Red Fleet

Utah

CUP - Jensen Unit

Upper Colorado

Storage

Red Willow

Nebraska

Frenchman-Cambridge PSMBP

Great Plains

Storage

Red Willow Creek

Nebraska

Frenchman-Cambridge PSMBP

Great Plains

Diversion

Reservoir "A"

Idaho

Lewiston Orchards

Pacific Northwest

Storage

Rhodes

Utah

CUP - Bonneville Unit

Upper Colorado

Diversion

Ridgway

Colorado

Dallas Creek

Upper Colorado

Storage

Rifle Gap

Colorado

Silt

Upper Colorado

Storage

Ririe

Idaho

Ririe

Pacific Northwest

Storage

Riverside

Texas

Rio Grande

Upper Colorado

Diversion

Robert A. Skinner

California

San Diego

Lower Colorado

Storage

Robles

California

Ventura River

Mid Pacific

Diversion

Rock Creek

Montana

Bitter Root

Pacific Northwest

Diversion

Roza

Washington

Yakima

Pacific Northwest

Diversion

Ruedi

Colorado

Fryingpan-Arkansas

Great Plains

Storage

Rye Patch

Nevada

Humboldt

Mid Pacific

Storage