Irrigation Dams

9,419 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Tusler Creek Oyargers & Pardies McCone	Low Hazard	15 ft	1936	Earth	Montana
Tuttle Phillips	Low Hazard	8 ft	1958	Earth	Montana
Twiford Platte	Low Hazard	35 ft	1944	Earth	Wyoming
Twigg Reservoir Washington	Low Hazard	16 ft	1957	Earth	Oregon
Twin Arena Lake Dam Somervell	Low Hazard	39 ft	1954	Earth	Texas
Twin Basin Mesa	Low Hazard	17 ft	1912	Earth	Colorado
Twin Buttes Tom Green	High Hazard	134 ft	1962	Earth	Texas
Twin Creek Irrigation Company Sanpete	Significant Hazard	—	—	Earth	Utah
Twin Dam #1 Rosebud	Low Hazard	15 ft	1959	Earth	Montana
Twin Dam #2 Rosebud	Low Hazard	15 ft	1959	Earth	Montana
Twin Eagles Ranch Murray	Low Hazard	60 ft	2006	Earth	Oklahoma
Twin Granite Adams	Low Hazard	25 ft	1920	—	Idaho
Twin Lake #1 Delta	Low Hazard	21 ft	1889	Earth	Colorado
Twin Lake #2 Delta	Low Hazard	10 ft	1975	Earth	Colorado
Twin Lake-Lower Baker	Low Hazard	22 ft	1908	Concrete	Oregon
Twin Lakes Montrose	Low Hazard	23 ft	1951	Earth	Colorado
Twin Lakes Bor Lake	High Hazard	55 ft	1948	Earth	Colorado
Twin Lakes Dam Brazoria	High Hazard	8 ft	1955	Earth	Texas
Twin Lakes North Franklin	High Hazard	32 ft	1920	—	Idaho
Twin Lakes South Franklin	High Hazard	36 ft	1920	—	Idaho
Twin Lake-Upper Baker	Low Hazard	10 ft	1908	Concrete	Oregon
Twin Oak Farms Dam Halifax	Unknown	16 ft	—	Earth	Virginia
Twin Pines Country Club Lake Dam Cass	High Hazard	25 ft	1969	Earth	Missouri
Twin Pots Duchesne	High Hazard	—	1931	Earth	Utah
Twin Wells Golf Course Irrigation Lake Levee Dallas	Low Hazard	15 ft	1988	Earth	Texas
Twitchell Santa Barbara	High Hazard	241 ft	1958	Earth	California
Twitchell #1 Garfield	Low Hazard	24 ft	1960	Earth	Montana
Twodot Wheatland	Low Hazard	31 ft	1953	Earth	Montana
Twombley Weld	Low Hazard	13 ft	1931	Earth	Colorado
Tx No Name No 47 Dam	Low Hazard	10 ft	1972	Earth	Texas
Tyers Pond Dam Pitt	Low Hazard	—	1954	Earth	North Carolina
Tyler Montrose	Low Hazard	49 ft	1955	Earth	Colorado
Tyler Reservoir Apache	Low Hazard	9 ft	1929	Earth	Arizona
Tyler Stewart Dam Jefferson	Low Hazard	21 ft	2017	Earth	Nebraska
Tyson North Owyhee	Low Hazard	27 ft	1967	—	Idaho
Tyson West Owyhee	Low Hazard	42 ft	1967	—	Idaho
Udall Apache	Low Hazard	24 ft	1910	Earth	Arizona
Ueckert Dam; E. E. Golden Valley	Low Hazard	22 ft	1963	Earth	North Dakota
Uhl Teton	Low Hazard	20 ft	1948	Earth	Wyoming
Uhlmann Lake Dam Cass	High Hazard	25 ft	1977	Earth	Missouri
Ukumehame Reservoirs Maui	High Hazard	29 ft	—	Earth	Hawaii
Ulman No. 1 Laramie	Low Hazard	22 ft	1970	Earth	Wyoming
Underdal #1 Toole	Low Hazard	19 ft	1963	Earth	Montana
Unger-Bill Dam Washington	Significant Hazard	39 ft	1968	Earth	Oregon
Union Weld	Significant Hazard	33 ft	1902	Earth	Colorado
Union Lake Dam Arkansas	Low Hazard	—	1961	Earth	Arkansas
Unity Baker	High Hazard	82 ft	1937	Earth	Oregon
University of Okla Cleveland	Low Hazard	25 ft	1979	Earth	Oklahoma
Univ Mo Exp Farm Dam- Mononame 207 St. Charles	High Hazard	29 ft	1958	Earth	Missouri
Univ of Mo-R1 Dam Boone	High Hazard	18 ft	1959	Earth	Missouri