Irrigation Dams

9,419 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
South Gray Larimer	Low Hazard	24 ft	1976	Earth	Colorado
South Irrigation Dam Anderson	Low Hazard	12 ft	1997	Earth	Kansas
South Junction Box Elder	Significant Hazard	—	1958	Earth	Utah
South Lake El Paso	High Hazard	60 ft	1973	Earth	Colorado
South Lake Dam Johnson	High Hazard	20 ft	1977	Earth	Missouri
South Meadow Creek Dam Madison	High Hazard	22 ft	1968	Earth	Montana
South of Danville Dam Danville	Unknown	28 ft	—	Earth	Virginia
South Relief Structure Indian River	Low Hazard	13 ft	1953	Earth	Florida
South Ricketts Flat Johnson	Low Hazard	48 ft	1972	Earth	Wyoming
South Sandstone Creek Dam Fallon	Significant Hazard	47 ft	1975	Earth	Montana
South Side Larimer	Significant Hazard	31 ft	1921	Earth	Colorado
South Spring Creek Lake Carbon	High Hazard	33 ft	1917	Earth	Wyoming
South Wall Natrona	Low Hazard	20 ft	1912	Earth	Wyoming
South Wall No. 3 Natrona	Low Hazard	25 ft	1951	Earth	Wyoming
Southwest Research Center Dam Lawrence	Low Hazard	21 ft	1970	Earth	Missouri
Sowell Dam Josephine	Significant Hazard	26 ft	1960	Earth	Oregon
Sowers Reservoir Dam Stevens	Low Hazard	—	1958	Earth	Washington
S. P. Natrona	Low Hazard	25 ft	1952	Earth	Wyoming
Spackman Brothers Dam Cache	Significant Hazard	—	1982	Earth	Utah
Spackman, Terry Cache	Low Hazard	—	—	Earth	Utah
Spada Farms #2 (Ryan) Marion	Low Hazard	26 ft	—	—	Oregon
Spada Nursery Runoff #2 Marion	Low Hazard	25 ft	—	Earth	Oregon
Spada Reservoir #1 (Champoeg) Marion	Low Hazard	22 ft	1968	Earth	Oregon
Spade Ranch Crane Hollow Tank Dam Mitchell	Low Hazard	15 ft	1920	Earth	Texas
Spain Lake Dam Dade	Significant Hazard	18 ft	1972	Earth	Missouri
Spaniard Cascade	Low Hazard	42 ft	1962	Earth	Montana
Spanish Flat Dam Washoe	Low Hazard	25 ft	—	Earth	Nevada
Spanish Fork Pressure Irrigation Pond Utah	High Hazard	—	2003	Earth	Utah
Sparks Deschutes	Low Hazard	9 ft	—	Earth	Oregon
Sparks Deschutes	Significant Hazard	19 ft	2002	Earth	Oregon
Sparlin Lake Dam-Sec 3 Wright	Low Hazard	28 ft	1975	Earth	Missouri
Sparlin Lake Dam-Sec 35 Wright	High Hazard	25 ft	1976	Earth	Missouri
Spaulding Lassen	Low Hazard	28 ft	1954	Earth	California
Spaulding-Vaughn Reservoir Baker	Low Hazard	10 ft	1908	Earth	Oregon
Spearfish Valley Ranch Lawrence	Low Hazard	32 ft	1968	Earth	South Dakota
Spectacle Lake Garfield	Significant Hazard	—	1940	Earth	Utah
Spectacle Lake Dike Okanogan	Low Hazard	25 ft	1969	Earth	Washington
Spellman B1-27-5475 Campbell	Low Hazard	40 ft	2008	Earth	Wyoming
Spence Archuleta	Significant Hazard	44 ft	1965	Earth	Colorado
Spencer Idaho	Significant Hazard	15 ft	1954	—	Idaho
Spencer Weston	Significant Hazard	45 ft	1952	Earth	Wyoming
Spencer Dam Anderson	Low Hazard	25 ft	1993	Earth	Kansas
Spencer Dam #2 Santa Rosa	Low Hazard	20 ft	1963	Earth	Florida
Sphaeralcea Sublette	Low Hazard	28 ft	1974	Earth	Wyoming
Spindletop Weir Saltwater Barrier Jefferson	Low Hazard	12 ft	1954	Buttress	Texas
Spirit Lake Daggett	Significant Hazard	—	1934	Earth	Utah
Spitzley Routt	Low Hazard	22 ft	1986	Earth	Colorado
Sp Newsprint Company South Stormwater Lake Dam Laurens	Low Hazard	22 ft	1984	Earth	Georgia
Spokane Hutterian Brethren Dam Spokane	High Hazard	—	2006	Earth	Washington
Spokely Farms Dam Traill	Low Hazard	35 ft	1979	Earth	North Dakota