Irrigation Dams

9,419 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Sunnyside Huerfano	Low Hazard	24 ft	1901	Earth	Colorado
Sunnyside Dam Nye	Low Hazard	10 ft	1915	Earth	Nevada
Sunnyside Mp 23.7 Reservoir Yakima	High Hazard	—	2008	Earth	Washington
Sunnyside Mp 37.1 Reservoir Yakima	High Hazard	—	2011	Earth	Washington
Sunnyside Mp 59.29 Reservoir Benton	High Hazard	—	2005	Earth	Washington
Sunny Slope Larimer	Significant Hazard	16 ft	—	Earth	Colorado
Sunny Slope Farms Cherokee	High Hazard	29 ft	1974	—	South Carolina
Sunny Slope Farms Dam Cherokee	High Hazard	22 ft	1988	—	South Carolina
Sunny Slopes Pond 1 Dam Spartanburg	Significant Hazard	35 ft	1969	—	South Carolina
Sunny Slopes Pond 2 Dam Spartanburg	Significant Hazard	30 ft	1968	—	South Carolina
Sunrise Lake Madison	Significant Hazard	14 ft	1916	Earth	Montana
Sun River Diversion Teton	High Hazard	132 ft	1914	Concrete	Montana
Sunset Hills Lake 1 Dam Tazewell	High Hazard	42 ft	1964	Earth	Illinois
Sunset Lake Boulder	Low Hazard	11 ft	—	Earth	Colorado
Sunset Palisades Nez Perce	Significant Hazard	41 ft	1973	—	Idaho
Surrencys Pond Dam Tattnall	Low Hazard	18 ft	1957	Earth	Georgia
Sutherland Lincoln	High Hazard	30 ft	1935	Gravity	Nebraska
Sutphin Prowers	Low Hazard	12 ft	1991	Earth	Colorado
Suttenfield Sonoma	High Hazard	76 ft	1938	Earth	California
Sutter Dam Marion	High Hazard	27 ft	1978	Earth	Missouri
Sutton Lake Dam Presidio	Low Hazard	37 ft	1915	Earth	Texas
Sutton Lake Dam Barbour	Low Hazard	—	1970	Gravity	Alabama
Svcsd Reclamation Pond 1 Sonoma	Significant Hazard	17 ft	1990	Earth	California
Svcsd Reclamation Pond 2 Sonoma	Significant Hazard	19 ft	1990	Earth	California
Svid Mabton Canal 12.48 Reservoir Yakima	High Hazard	—	2010	Earth	Washington
Swamp Creek Reservoir (Harney) Harney	Low Hazard	18 ft	1925	Earth	Oregon
Swan Laramie	Significant Hazard	25 ft	1907	Earth	Wyoming
Swan Creek 27 Jefferson	Low Hazard	37 ft	1991	Earth	Nebraska
Swan Creek 89 Jefferson	Low Hazard	30 ft	1991	Earth	Nebraska
Swan Creek No. 2 Park	Low Hazard	15 ft	1908	Earth	Wyoming
Swan Creek No. 7 Park	Low Hazard	22 ft	1911	Earth	Wyoming
Swan Lake Dam Washoe	Low Hazard	18 ft	1929	Earth	Nevada
Swan Lake Dam New Haven	High Hazard	28 ft	1920	Earth	Connecticut
Swans Pond Dam Worcester	Significant Hazard	12 ft	1848	Earth	Massachusetts
Swanzy Lake Solano	High Hazard	86 ft	1931	Earth	California
Swartz Lake Dam Lake	Low Hazard	10 ft	1960	Earth	Montana
Swayze Irr. Dam Roberts	Low Hazard	21 ft	1981	Earth	South Dakota
Swayze Irr. Dam #2 Roberts	Low Hazard	24 ft	1980	Earth	South Dakota
Swede Boulder	Low Hazard	15 ft	1930	Earth	Colorado
Sweet Briar College - Upper Dam Amherst	Low Hazard	25 ft	—	Earth	Virginia
Sweetgrass Dam Watauga	High Hazard	—	2008	Earth	North Carolina
Sweetwater Country Club Lake Dam Nolan	High Hazard	32 ft	1912	Earth	Texas
Sweetwater Main San Diego	High Hazard	112 ft	1888	Gravity	California
Sweitzer Lake Dam Audrain	Low Hazard	20 ft	1975	Earth	Missouri
Swift Dike (Pondera) Pondera	High Hazard	53 ft	1967	Earth	Montana
Swift (Pondera) Pondera	High Hazard	205 ft	1967	Concrete	Montana
Swingle Lake Dam Adair	Low Hazard	17 ft	1977	Earth	Missouri
Swisher Lake Dam Webb	Low Hazard	14 ft	1939	Earth	Texas
Swiss Family Vineyards Dam Franklin	Low Hazard	—	1963	Earth	Arkansas
Swope No. 2 Niobrara	Low Hazard	26 ft	1953	Earth	Wyoming