Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Sentinel Butte Dam Golden Valley	Low Hazard	10 ft	1933	Earth	North Dakota
Seper Lake Dam Montgomery	Low Hazard	40 ft	1954	Earth	Missouri
Sequoia Lake Fresno	High Hazard	51 ft	1888	Earth	California
Sequoyah - Ccw Discharge Channel Hamilton	Low Hazard	41 ft	1981	Earth	Tennessee
Settled Water Storage Dam No. 1 Bernalillo	High Hazard	19 ft	2007	Earth	New Mexico
Settling Pond Macoupin	Low Hazard	25 ft	—	Earth	Illinois
Setzler Dam Comanche	Low Hazard	16 ft	1976	Earth	Texas
Seven H Ranch Lake Dam Hays	Significant Hazard	21 ft	1963	Earth	Texas
Severling Lake(Too Small) DeKalb	Low Hazard	18 ft	1968	Earth	Missouri
Severy City Dam Greenwood	Significant Hazard	20 ft	1938	Earth	Kansas
Seymour Jackson	Low Hazard	20 ft	1966	Earth	Colorado
Seymour Reservoir #1 Dam New Haven	Significant Hazard	26 ft	1898	Earth	Connecticut
Seymour Reservoir #2 Dam New Haven	Significant Hazard	31 ft	1948	Earth	Connecticut
Seymour Reservoir #3 Dam New Haven	Significant Hazard	42 ft	1910	Earth	Connecticut
Seymour Reservoir #4 Dam New Haven	Significant Hazard	28 ft	1951	Earth	Connecticut
Shad Factory Pond Dam Bristol	Significant Hazard	15 ft	1911	Rockfill	Massachusetts
Shady Oaks Lake Dam Randolph	Low Hazard	20 ft	1957	Earth	Missouri
Shaffer El Dorado	Significant Hazard	33 ft	1968	Earth	California
Shaker Run Dam Warren	High Hazard	90 ft	1973	Earth	Ohio
Sharpe's Creek Reservoir Lake Dam Carroll	High Hazard	43 ft	1991	Earth	Georgia
Shasta Shasta	High Hazard	602 ft	1945	Concrete	California
Shasta River Siskiyou	High Hazard	96 ft	1928	Earth	California
Shaw Lake Dam Rusk	Low Hazard	18 ft	1960	Earth	Texas
Shawnee City Lake No.1 Pottawatomie	High Hazard	55 ft	1936	Earth	Oklahoma
Shawnee City Lake No. 2 Pottawatomie	High Hazard	50 ft	1960	Earth	Oklahoma
Shawnee Pond Monroe	Significant Hazard	11 ft	2008	Earth	Pennsylvania
Shedd Modoc	Low Hazard	22 ft	1962	Earth	California
Sheep Mountain Carbon	Low Hazard	40 ft	1946	Earth	Wyoming
Sheer Bliss Pitkin	Significant Hazard	22 ft	2007	Earth	Colorado
Shelbina Lake Dam Shelby	High Hazard	28 ft	1935	Earth	Missouri
Shelburne Falls Fire District Reservoir Dam Franklin	Significant Hazard	28 ft	1926	Rockfill	Massachusetts
Shelby County Roadgrade Dam 1-81-40 Shelby	Low Hazard	26 ft	1958	Earth	Iowa
Shelby Upground Reservoir No. 2 Richland	High Hazard	48 ft	1955	Earth	Ohio
Shelby Upground Reservoir No. 3 Richland	High Hazard	28 ft	1993	Earth	Ohio
Shelbyville Dam Shelby	High Hazard	108 ft	1970	Concrete	Illinois
Shelbyville Lake Dam Shelby	High Hazard	16 ft	1956	Earth	Missouri
Shell Creek Lake Dam Osage	High Hazard	65 ft	1922	Buttress	Oklahoma
Shell Creek No. 2 Big Horn	Low Hazard	42 ft	1957	Earth	Wyoming
Shelley Siskiyou	High Hazard	27 ft	1952	Earth	California
Shell Refinery Water Storage Reservoir Skagit	Low Hazard	—	1958	Earth	Washington
Shelton Lake Dam Rusk	Low Hazard	18 ft	1970	Earth	Texas
Shelton Reservoir #3 Dam Fairfield	Significant Hazard	18 ft	1915	Masonry	Connecticut
Shenandoah Lake Amador	Low Hazard	33 ft	1962	Earth	California
Shenipsit Lake Dam Tolland	High Hazard	27 ft	1903	Masonry	Connecticut
Shepard Mountain Dam Iron	High Hazard	33 ft	1955	Gravity	Missouri
Shepards Pond Dam Windham	Significant Hazard	38 ft	1890	Earth	Connecticut
Shepaug Reservoir Dam Litchfield	High Hazard	65 ft	1933	Concrete	Connecticut
Shephard Lake Dam Richmond	Low Hazard	—	1930	Earth	North Carolina
Sheppard Myers York	High Hazard	38 ft	1933	Earth	Pennsylvania
Sherburne Lower Reservoir Dam Chenango	Low Hazard	25 ft	1917	Earth	New York