Name of Dam

State

Project

Region

Dam Use

Saint Mary

Montana

Milk River

Great Plains

Diversion

Salmon Creek

Washington

Okanogan

Pacific Northwest

Diversion

Salmon Lake

Washington

Okanogan

Pacific Northwest

Storage

San Acacia

New Mexico

Middle Rio Grande

Upper Colorado

Diversion

San Justo

California

CVP - San Felipe

Mid Pacific

Storage

Sanford

Texas

Canadian River

Great Plains

Storage

Santa Cruz

New Mexico

Middle Rio Grande

Upper Colorado

Storage

Satanka Dike

Colorado

Colorado-Big Thompson

Great Plains

Storage

Savage Rapids

Oregon

Grants Pass

Pacific Northwest

Diversion

Sawyer

Colorado

Fryingpan-Arkansas

Great Plains

Diversion

Scofield

Utah

Scofield

Upper Colorado

Storage

Scoggins

Oregon

Tualatin

Pacific Northwest

Storage

Selig

Colorado

Uncompahre

Upper Colorado

Diversion

Seminoe

Wyoming

Kendrick

Great Plains

Storage

Senator Wash

California

Front Work and Levee System

Lower Colorado

Storage

Shadehill

South Dakota

PSMBP - Shadehill

Great Plains

Storage

Shadow Mountain

Colorado

Colorado-Big Thompson

Great Plains

Storage

Shasta

California

CVP - Shasta/Trinity

Mid Pacific

Storage

Sheckler

Nevada

Newlands

Mid Pacific

Storage

Sherman

Nebraska

PSMBP - Farwell

Great Plains

Storage

Silver Jack

Colorado

Bostwick Park

Upper Colorado

Storage

Silver Lake

Colorado

Collbran

Upper Colorado

Storage

Slaterville

Utah

Weber Basin

Upper Colorado

Diversion

Sly Park

California

CVP - Folsom-Sly Park

Mid Pacific

Storage

Smith Fork

Colorado

Smith Fork

Upper Colorado

Diversion

Soda Creek

 Oregon

Rogue River Basin

Pacific Northwest

Diversion

Soda Lake Dike

Washington

Columbia Basin

Pacific Northwest

Storage

Soldier Canyon

Colorado

Colorado-Big Thompson

Great Plains

Storage

Soldier Creek

Utah

Strawberry Valley

Upper Colorado

Storage

Soldier´s Meadow

Idaho

Lewiston Orchards

Pacific Northwest

Storage

South Cunningham Creek

Colorado

Fryingpan-Arkansas

Great Plains

Diversion

South Fork

Colorado

Fryingpan-Arkansas

Great Plains

Diversion

South Fork Little Butte Creek

Oregon

Rogue River Basin

Pacific Northwest

Diversion

South Ogden Highline Canal

Utah

Ogden River

Upper Colorado

Diversion

South Platte Supply

Colorado

Colorado-Big Thompson

Great Plains

Diversion

Spanish Fork

Utah

Strawberry Valley

Upper Colorado

Diversion

Spectacle Lake Dike

Washington

Chief Joseph Dam

Pacific Northwest

Storage

Spring Canyon

Colorado

Colorado-Big Thompson

Great Plains

Storage

Spring Creek Debris

California

CVP - Shasta/Trinity

Mid Pacific

Storage

Stampede

California

Washoe

Mid Pacific

Storage

Starvation

Utah

CUP - Bonneville Unit

Upper Colorado

Storage

Stateline

Utah

Lyman

Upper Colorado

Storage

Steinaker

Utah

CUP - Vernal Unit

Upper Colorado

Storage

Stewart Mountain

Arizona

Salt River

Lower Colorado

Storage

Stoddard

Utah

Weber Basin

Upper Colorado

Diversion

Stony Gorge

California

Orland

Mid Pacific

Storage

Strawberry

Utah

Strawberry Valley

Upper Colorado

Storage

Stubblefield

New Mexico

Vermejo

Upper Colorado

Storage

Sugar Loaf

Colorado

Fryingpan-Arkansas

Great Plains

Storage

Sugar Pine

California

CVP - Auburn-Folsom

Mid Pacific

Storage

Sumner

New Mexico

Carlsbad

Upper Colorado

Storage

Sun River

Montana

Sun River

Great Plains

Diversion

Sunnyside

Washington

Yakima

Pacific Northwest

Diversion

Superior-Courtland

Nebraska

PSMBP - Bostwick

Great Plains

Diversion

Swasey

Utah

Emery County

Upper Colorado

Diversion

Sweetwater

Idaho

Lewiston Orchards

Pacific Northwest

Diversion

Swift

Montana

Milk River

Great Plains

Storage

Swift Current Dike

Montana

Milk River

Great Plains

Diversion