Irrigation Dams

9,419 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Wallace No. 2 Niobrara	Low Hazard	20 ft	1958	Earth	Wyoming
Wall Creek Dam Lower Washoe	Significant Hazard	43 ft	—	Earth	Nevada
Wall Creek Dam Upper Washoe	Low Hazard	70 ft	—	Earth	Nevada
Wall Development Company Dam Uinta	Significant Hazard	27 ft	1949	Earth	Wyoming
Wallenstein Carter	Low Hazard	20 ft	1945	Earth	Montana
Waller No. 3 Grant	Low Hazard	64 ft	1965	Earth	Oregon
Walloon Lake Cc Dam #14 Charlevoix	Significant Hazard	16 ft	1989	Earth	Michigan
Wallowa Lake Wallowa	High Hazard	39 ft	1931	Concrete	Oregon
Walnut Canyon Coconino	High Hazard	41 ft	1881	Masonry	Arizona
Walnut Creek 4 Lancaster	Significant Hazard	26 ft	1982	Earth	Nebraska
Walnut Hill Lake Dam Phelps	High Hazard	20 ft	1973	Earth	Missouri
Walrod Routt	Low Hazard	22 ft	1960	Earth	Colorado
Walsenburg Ponds Huerfano	Low Hazard	14 ft	1910	Earth	Colorado
Walter Baxter Dam Jasper	Low Hazard	18 ft	1968	—	South Carolina
Walter Dam Buffalo	Low Hazard	15 ft	1944	Earth	Nebraska
Walter Dennis Irrigation Jackson	Low Hazard	21 ft	1960	Earth	South Dakota
Walter Dennis Irrigation Jackson	Low Hazard	23 ft	1960	Earth	South Dakota
Walter D. Miller Dam #1 Meade	Low Hazard	25 ft	1963	Earth	South Dakota
Walter Droemer Lake Dam Lee	Low Hazard	18 ft	1958	Earth	Texas
Walters Big Horn	Low Hazard	25 ft	1978	Earth	Wyoming
Walters, Glenn #1 - Large Washington	Significant Hazard	25 ft	1969	Earth	Oregon
Walters, Glenn #5 Washington	Significant Hazard	29 ft	1984	Earth	Oregon
W and W Farms Dam Sumter	High Hazard	15 ft	1989	—	South Carolina
Wanship Summit	High Hazard	—	1957	Earth	Utah
Ward #1 Jefferson	Low Hazard	13 ft	1888	Earth	Colorado
Ward Ball Sublette	Low Hazard	22 ft	1965	Earth	Wyoming
Ward Creek Delta	High Hazard	45 ft	1957	Earth	Colorado
Wardell Reservoir Morgan	Significant Hazard	—	1962	Earth	Utah
Ward Lake Lassen	Low Hazard	23 ft	1889	Earth	California
Ward Lake Delta	High Hazard	27 ft	1958	Earth	Colorado
Ward Lake Dam-Sec 29 Bates	Low Hazard	15 ft	1972	Earth	Missouri
Wardner Levee Cameron	Low Hazard	10 ft	1948	Earth	Texas
Warlick Pond Dam York	Low Hazard	24 ft	1955	—	South Carolina
Warm Springs Malheur	High Hazard	100 ft	1918	Concrete	Oregon
Warner Dam No 1 Houston	Low Hazard	10 ft	1957	Earth	Texas
Warner Dam No 2 Houston	Low Hazard	8 ft	1956	Earth	Texas
Warner (Matt) Uintah	Significant Hazard	—	1938	Earth	Utah
Warner No. 1 Converse	Low Hazard	17 ft	1951	Earth	Wyoming
Warner No. 2 Converse	Low Hazard	23 ft	1952	Earth	Wyoming
Warren Dam Calhoun	Low Hazard	20 ft	1970	Earth	Florida
Warren Dam No 1 Eastland	Low Hazard	15 ft	1968	Earth	Texas
Warren Dam No 2 Eastland	Low Hazard	21 ft	1967	Earth	Texas
Warren Diversion Valley	Significant Hazard	19 ft	1924	—	Idaho
Warren Lake Larimer	High Hazard	23 ft	1882	Earth	Colorado
Warren Lake Dam Polk	Low Hazard	22 ft	1975	Earth	Missouri
Warrensburg Country Club Lake Dam Johnson	Low Hazard	28 ft	1977	Earth	Missouri
Warren Upper Lake Dam Worth	Low Hazard	16 ft	1973	Earth	Georgia
Warriner No. 1 Sheridan	Low Hazard	19 ft	1923	Earth	Wyoming
Warriner No. 2 Sheridan	Low Hazard	30 ft	1941	Earth	Wyoming
Wasatch - First Enlargement Sweetwater	Low Hazard	31 ft	1938	Earth	Wyoming