Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Albeni Falls Dam Bonner	High Hazard	—	1955	Concrete	Idaho
Albers Dam 8965 Franklin	Low Hazard	23 ft	1960	Earth	Nebraska
Albers Pond Lincoln	Low Hazard	22 ft	1973	Earth	Minnesota
Albert Stake Dam Pawnee	Low Hazard	19 ft	2004	Earth	Nebraska
Aldarra Pond Dfr1 King	Low Hazard	—	2001	Earth	Washington
Alder Brook Aroostook	Low Hazard	35 ft	1973	Earth	Maine
Alessandro Riverside	High Hazard	66 ft	1956	Earth	California
Alessi Flood Control Dam Huerfano	High Hazard	29 ft	1970	Earth	Colorado
Alexander Pond Dam Hutchinson	Low Hazard	21 ft	1983	Earth	Texas
Alfred James Detention Dam Garfield	Low Hazard	26 ft	1964	Earth	Nebraska
Algonquin Dam McHenry	Significant Hazard	9 ft	1947	Concrete	Illinois
Allan Meinen Dam Washington	Low Hazard	24 ft	1995	Earth	Texas
Allatoona Dam Bartow	High Hazard	—	1965	Gravity	Georgia
Allen Branch Dam Cocke	Low Hazard	26 ft	1969	Earth	Tennessee
Allen Pond Androscoggin	Low Hazard	7 ft	1850	Concrete	Maine
Allen Reservoir PL-566 Flood Control Dam Norfolk	High Hazard	21 ft	1980	Earth	Massachusetts
Allen Retention Basin Dam Gaston	High Hazard	—	2018	Concrete	North Carolina
Allen's Creek East Branch Drainage Project Dam Monroe	Low Hazard	19 ft	1995	Earth	New York
Allen Street Detention Pond Dam Chautauqua	Significant Hazard	21 ft	—	Earth	New York
Allen West Canadian	Low Hazard	29 ft	1996	Earth	Oklahoma
Alliance Consulting Engineers, INC. Weber	Significant Hazard	—	—	Earth	Utah
Alligator Creek Salinity Barrier Charlotte	Significant Hazard	6 ft	—	Concrete	Florida
Alligator Lake Weir Pinellas	Significant Hazard	9 ft	—	Earth	Florida
Allington Dam 4780 Gage	Low Hazard	20 ft	1960	Earth	Nebraska
Allison Street Levee (Mt. Ranier) Prince George's	High Hazard	15 ft	1988	Earth	Maryland
Alluvial Drain Detention Fresno	High Hazard	12 ft	1994	Earth	California
Allyn Dam Holt	Low Hazard	25 ft	1968	Earth	Nebraska
Alma Mill 1 Buffalo	Low Hazard	34 ft	1963	Earth	Wisconsin
Alma Mill 2 Buffalo	Low Hazard	35 ft	1963	Earth	Wisconsin
Alma Mill 3 Buffalo	Low Hazard	34 ft	1963	Earth	Wisconsin
Alma Mill 4 Buffalo	Low Hazard	32 ft	1963	Earth	Wisconsin
Alma Mill 5 Buffalo	Low Hazard	33 ft	1963	Earth	Wisconsin
Alma Mill 6 Buffalo	Low Hazard	28 ft	1963	Earth	Wisconsin
Almond Dam Steuben	High Hazard	90 ft	1949	Earth	New York
Alpine Dam Winnebago	High Hazard	48 ft	1942	Earth	Illinois
Alta Loma Basin #1 San Bernardino	High Hazard	30 ft	1964	Earth	California
Alta Loma Basin #2 San Bernardino	High Hazard	22 ft	1971	Earth	California
Alta Vista 34 Lincoln	Unknown	27 ft	—	Rockfill	Minnesota
Alta Vista 36 Lincoln	Significant Hazard	32 ft	2006	Earth	Minnesota
Alton Box Club Dam Shannon	Low Hazard	30 ft	1976	Earth	Missouri
Altus Kiowa	High Hazard	110 ft	1945	Concrete	Oklahoma
Alum Creek Dam Delaware	High Hazard	—	1974	Gravity	Ohio
Alvie No. 1 Albany	Low Hazard	38 ft	1974	Earth	Wyoming
Alvin Lincoln	Low Hazard	36 ft	1954	Earth	South Dakota
Alvin R. Bush Dam Clinton	High Hazard	165 ft	1962	Rockfill	Pennsylvania
Alvin R & Leigh R Canadian	Low Hazard	40 ft	1983	Earth	Oklahoma
Amacoy Rusk	Low Hazard	20 ft	1967	Earth	Wisconsin
Amanda Jo Detention Dam Hardin	High Hazard	22 ft	2015	Earth	Kentucky
Amargosa Creek Los Angeles	High Hazard	65 ft	1998	Earth	California
Amarillo Valley Road Pinal	Significant Hazard	8 ft	1995	Earth	Arizona