Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Abiaca Watershed Structure Y-34-02 Dam Carroll	Low Hazard	35 ft	1965	Earth	Mississippi
Abiaca Watershed Structure Y-34-03 Dam Carroll	High Hazard	33 ft	1965	Earth	Mississippi
Abiaca Watershed Structure Y-34-04 Dam Carroll	High Hazard	41 ft	1968	Earth	Mississippi
Abiaca Watershed Structure Y-34-05 Dam Carroll	High Hazard	40 ft	1965	Earth	Mississippi
Abiaca Watershed Structure Y-34-06 Dam Carroll	High Hazard	41 ft	1967	Earth	Mississippi
Abiaca Watershed Structure Y-34-07 Dam Carroll	High Hazard	39 ft	1966	Earth	Mississippi
Abiaca Watershed Structure Y-34-08 Dam Carroll	Significant Hazard	36 ft	1966	Earth	Mississippi
Abiaca Watershed Structure Y-34-10 Dam Carroll	High Hazard	41 ft	1967	Earth	Mississippi
Abiaca Watershed Structure Y-34-12 Dam Carroll	Low Hazard	35 ft	1965	Earth	Mississippi
Abiaca Watershed Structure Y-34-21 Dam Carroll	Low Hazard	27 ft	1973	Earth	Mississippi
Abiaca Watershed Structure Y-34-23 Dam Carroll	Low Hazard	15 ft	1972	Earth	Mississippi
Abiaca Watershed Structure Y-34-25 Dam Carroll	High Hazard	30 ft	1971	Earth	Mississippi
Abiaca Watershed Structure Y-34-28 Dam Carroll	Significant Hazard	32 ft	1972	Earth	Mississippi
Abiaca Watershed Structure Y-34-36 Dam Carroll	Low Hazard	23 ft	1973	Earth	Mississippi
Abiaca Watershed Structure Y-34-38 Dam Carroll	Low Hazard	19 ft	1971	Earth	Mississippi
Abiaca Watershed Structure Y-34-43 Dam Carroll	Low Hazard	19 ft	1972	Earth	Mississippi
Abiaca Watershed Structure Y-34-45 Dam Carroll	Low Hazard	28 ft	1973	Earth	Mississippi
Abiquiu Dam Rio Arriba	High Hazard	340 ft	1963	Earth	New Mexico
Abotlapoota Creek WS Str Y-34-11 Dam Carroll	High Hazard	44 ft	1965	Earth	Mississippi
Abotlapoota Watershed Structure Y-34-13 Dam Carroll	High Hazard	26 ft	1965	Earth	Mississippi
Abotlapoota Watershed Structure Y-34-14 Dam Carroll	Low Hazard	32 ft	1970	Earth	Mississippi
Abotlapoota WS Str Y-34-15 Dam Carroll	Low Hazard	30 ft	1973	Earth	Mississippi
Abotlapoota WS Str Y-34-16 Dam Carroll	Low Hazard	23 ft	1973	Earth	Mississippi
Abraham Detention Clearwater	Low Hazard	15 ft	1981	Earth	Minnesota
Acacia Country Club Lake Dam Cuyahoga	Significant Hazard	38 ft	—	Earth	Ohio
Acker Eric Hughes	Low Hazard	20 ft	1977	Earth	Oklahoma
Acme (Pa-657) Westmoreland	High Hazard	33 ft	1975	Earth	Pennsylvania
Acorn Ridge Ramsey	High Hazard	37 ft	2012	—	North Dakota
Ada Happel Dam Cuming	Low Hazard	26 ft	1985	Earth	Nebraska
Adams Dairy Parkway Dam Jackson	High Hazard	48 ft	1992	Earth	Missouri
Adamson Dam Cherry	Low Hazard	14 ft	1965	Earth	Nebraska
Adamson Wrp Dam Cherry	Low Hazard	12 ft	2006	Earth	Nebraska
Adams Park Dam Douglas	High Hazard	13 ft	2016	Earth	Nebraska
Addicks Dam Harris	High Hazard	49 ft	1948	Gravity	Texas
Adobe Maricopa	High Hazard	65 ft	1982	Earth	Arizona
Adobe Creek Lake	High Hazard	36 ft	1962	Earth	California
Adobe Wash Sediment Basin Emery	Significant Hazard	—	2017	Earth	Utah
Afmscs Watershed Site 23 Cherokee	Low Hazard	34 ft	1989	Earth	Iowa
Agency Valley Malheur	High Hazard	110 ft	1934	Earth	Oregon
Agua Chinon Orange	High Hazard	41 ft	1998	Earth	California
Ahlemeyer Dam Furnas	Low Hazard	28 ft	1960	Earth	Nebraska
Ahlswel Dam Furnas	Low Hazard	18 ft	1960	Earth	Nebraska
Ahren & Droege Dd No 3 Osage	High Hazard	27 ft	1958	Earth	Kansas
Ahrens Dam Cass	Low Hazard	22 ft	1976	Earth	Nebraska
Aiken Dd No 1 Chautauqua	Low Hazard	52 ft	1955	Earth	Kansas
Ajies Dam Structure 2a Añasco	High Hazard	52 ft	1984	Earth	Puerto Rico
Alameda Dam Doña Ana	Low Hazard	—	—	Gravity	New Mexico
Alamo Arroyo WS SCS Site 1 Dam Hudspeth	High Hazard	32 ft	1960	Earth	Texas
Alamo Arroyo WS SCS Site 3 Dam Hudspeth	High Hazard	47 ft	1960	Earth	Texas
Alamo Dam Mohave	High Hazard	283 ft	1968	Earth	Arizona