Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bellwood 4-K Butler	Low Hazard	26 ft	1965	Earth	Nebraska
Bellwood 4-L Butler	Low Hazard	25 ft	1969	Earth	Nebraska
Bellwood 5-G Butler	Low Hazard	31 ft	1965	Earth	Nebraska
Bellwood 5-H Butler	Low Hazard	31 ft	1970	Earth	Nebraska
Bellwood 5-J Butler	Low Hazard	29 ft	1966	Earth	Nebraska
Bellwood 5-K Butler	Low Hazard	29 ft	1974	Earth	Nebraska
Bellwood 6-E Butler	Significant Hazard	27 ft	1969	Earth	Nebraska
Bellwood 6-F Butler	Low Hazard	33 ft	1970	Earth	Nebraska
Bellwood 6-G Butler	Low Hazard	28 ft	1978	Earth	Nebraska
Belmont Golf Club Dam Loudoun	Unknown	15 ft	—	Earth	Virginia
Belton Dam Bell	High Hazard	192 ft	1954	Earth	Texas
Beltzville Dam Carbon	High Hazard	—	1969	Rockfill	Pennsylvania
Benbrook Dam Tarrant	High Hazard	130 ft	1951	Earth	Texas
Bengston Dam Lancaster	Low Hazard	24 ft	1969	Earth	Nebraska
Bennet Group Pond Houston	Low Hazard	26 ft	1972	Earth	Minnesota
Bennett Creek WS SCS Site 1 Dam Mills	Low Hazard	69 ft	1973	Earth	Texas
Bennett Creek WS SCS Site 2 Dam Mills	Low Hazard	72 ft	1973	Earth	Texas
Bennett Creek WS SCS Site 3 Dam Mills	Low Hazard	65 ft	1976	Earth	Texas
Bennett Creek WS SCS Site 4 Dam Mills	Low Hazard	62 ft	1974	Earth	Texas
Bennetts Bridge Oswego	High Hazard	35 ft	1914	Concrete	New York
Bennetts Bridge - Dike B Oswego	High Hazard	13 ft	1914	Earth	New York
Bennetts Bridge - Dike C Oswego	High Hazard	10 ft	1914	Earth	New York
Bennington Lake Basin 1 Douglas	Significant Hazard	28 ft	2000	Earth	Nebraska
Bennington Lake Basin 2 Douglas	High Hazard	34 ft	2002	Earth	Nebraska
Bennington Lake Basin 3 Douglas	Low Hazard	21 ft	2000	Earth	Nebraska
Benson Brothers Dam Clay	Low Hazard	20 ft	1981	Earth	Nebraska
Bentle Branch Detention Dam Dallas	High Hazard	29 ft	2006	Earth	Texas
Bentonia Watershed Structure 1 Dam Yazoo	Low Hazard	30 ft	1963	Earth	Mississippi
Bentonia Watershed Structure 2 Dam Yazoo	Low Hazard	32 ft	1963	Earth	Mississippi
Bentonia Watershed Structure 3 Dam Yazoo	Low Hazard	28 ft	1963	Earth	Mississippi
Bentonia Watershed Structure 4 Dam Yazoo	Low Hazard	22 ft	1963	Earth	Mississippi
Bentonia Watershed Structure 5 Dam Yazoo	High Hazard	26 ft	1964	Earth	Mississippi
Bentonia Watershed Structure 6 Dam Yazoo	Low Hazard	26 ft	1964	Earth	Mississippi
Bentonia Watershed Structure 7 Dam Yazoo	High Hazard	23 ft	1963	Earth	Mississippi
Bentonia Watershed Structure 8 Dam Yazoo	Low Hazard	28 ft	1964	Earth	Mississippi
Bentonia Watershed Structure 9 Dam Yazoo	Low Hazard	33 ft	1964	Earth	Mississippi
Benton & Still Dam Hall	Low Hazard	18 ft	1952	Earth	Nebraska
Beren's Dam Ottawa	Significant Hazard	32 ft	1993	Earth	Michigan
Bergen Dam Hamilton	Low Hazard	26 ft	1979	Earth	Nebraska
Bergmann Dam Nemaha	Low Hazard	31 ft	1970	Earth	Nebraska
Bergstresser Dam Gosper	Low Hazard	11 ft	1959	Earth	Nebraska
Berlin Dam Mahoning	High Hazard	—	1943	Gravity	Ohio
Berlin Road Detention Basin Westmoreland	High Hazard	11 ft	2003	Concrete	Pennsylvania
Bernadt Family Dam Pawnee	Low Hazard	26 ft	2000	Earth	Nebraska
Bernadt West Dam Pawnee	Low Hazard	28 ft	1999	Earth	Nebraska
Bernard Norman Dam 2 Sioux	Significant Hazard	20 ft	1970	Earth	Nebraska
Berner Dam Otoe	Low Hazard	26 ft	1964	Earth	Nebraska
Berry Dam Mellette	Significant Hazard	50 ft	1985	Earth	South Dakota
Berryman Davis	Low Hazard	30 ft	—	Earth	Iowa
Bethany Road Detention Pond Dam DeKalb	High Hazard	11 ft	—	Earth	Illinois