Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bowman-Spring Branch 1-B Thayer	Low Hazard	31 ft	1962	Earth	Nebraska
Bowman-Spring Branch 1-C Thayer	Low Hazard	36 ft	1961	Earth	Nebraska
Bowman-Spring Branch 2-A Thayer	Low Hazard	29 ft	1966	Earth	Nebraska
Bowman-Spring Branch 3-C Thayer	Low Hazard	27 ft	1966	Earth	Nebraska
Bowman-Spring Branch 3-D Thayer	Low Hazard	24 ft	1972	Earth	Nebraska
Bowman-Spring Branch 3-E Thayer	Low Hazard	26 ft	1972	Earth	Nebraska
Box Butte Dawes	High Hazard	87 ft	1945	Earth	Nebraska
Box Canyon Siskiyou	High Hazard	220 ft	1970	Concrete	California
Box Elder County- Cook Canyon D.B. Box Elder	Significant Hazard	—	1985	Earth	Utah
Box Elder County- Holmes Canyon D.B. Box Elder	Significant Hazard	—	1985	Earth	Utah
Box Elder Creek 5-A Buffalo	Significant Hazard	21 ft	1975	Earth	Nebraska
Box Elder Creek Dam Sheridan	High Hazard	63 ft	1963	Earth	Montana
Boxsprings Riverside	High Hazard	49 ft	1960	Earth	California
Boysen Fremont	High Hazard	220 ft	1951	Earth	Wyoming
Br-12 Retention Dam Blaine	High Hazard	—	1936	Gravity	Montana
Br-22 Retention Dam Blaine	Low Hazard	—	1936	Gravity	Montana
Br-43 Retention Dam Blaine	Low Hazard	—	1936	Gravity	Montana
Br-45 Retention Dam Blaine	Low Hazard	—	1937	Gravity	Montana
Br-52 Retention Dam Blaine	Low Hazard	—	1937	Gravity	Montana
Br-55 Retention Dam Blaine	Low Hazard	—	1937	Gravity	Montana
Br-8 Retention Dam Blaine	Low Hazard	—	1936	Gravity	Montana
Bracht Floodwater Retention Dam Cuming	Significant Hazard	47 ft	1980	Earth	Nebraska
Brackhan Marquardt Road Dam Seward	Low Hazard	26 ft	1968	Earth	Nebraska
Bradfield Divers. & Dete Jackson	Low Hazard	40 ft	1962	Earth	South Dakota
Bradshaw Detention Dam Scott	High Hazard	15 ft	2009	Earth	Kentucky
Bradshaw Detention Dam #3 Custer	Low Hazard	—	—	Gravity	Idaho
Bradshaw Detention Dam #4 Custer	Low Hazard	—	1967	Gravity	Idaho
Bradshaw No.2 Ellis	Low Hazard	19 ft	1960	Earth	Oklahoma
Bradway Reservoir Site #4 Dam Tolland	Significant Hazard	29 ft	1961	Earth	Connecticut
Brady Creek WS SCS Site 10 Dam McCulloch	Low Hazard	28 ft	1957	Earth	Texas
Brady Creek WS SCS Site 11 Dam McCulloch	Low Hazard	24 ft	1958	Earth	Texas
Brady Creek WS SCS Site 12 Dam McCulloch	Significant Hazard	30 ft	1959	Earth	Texas
Brady Creek WS SCS Site 13 Dam McCulloch	Significant Hazard	29 ft	1957	Earth	Texas
Brady Creek WS SCS Site 14 Dam McCulloch	Significant Hazard	43 ft	1956	Earth	Texas
Brady Creek WS SCS Site 15 Dam McCulloch	Low Hazard	30 ft	1959	Earth	Texas
Brady Creek WS SCS Site 16 Dam Concho	Significant Hazard	37 ft	1959	Earth	Texas
Brady Creek WS SCS Site 17 Dam Concho	Significant Hazard	50 ft	1962	Earth	Texas
Brady Creek WS SCS Site 18a Dam Menard	Low Hazard	24 ft	1961	Earth	Texas
Brady Creek WS SCS Site 19 Dam Concho	Low Hazard	35 ft	1958	Earth	Texas
Brady Creek WS SCS Site 1 Dam McCulloch	High Hazard	38 ft	1956	Earth	Texas
Brady Creek WS SCS Site 20 Dam Concho	Low Hazard	43 ft	1959	Earth	Texas
Brady Creek WS SCS Site 21 Dam Concho	Low Hazard	30 ft	1958	Earth	Texas
Brady Creek WS SCS Site 22 Dam Concho	Low Hazard	27 ft	1957	Earth	Texas
Brady Creek WS SCS Site 23 Dam Concho	Significant Hazard	29 ft	1957	Earth	Texas
Brady Creek WS SCS Site 24 Dam Concho	Low Hazard	31 ft	1959	Earth	Texas
Brady Creek WS SCS Site 25 Dam Concho	Low Hazard	31 ft	1959	Earth	Texas
Brady Creek WS SCS Site 26 Dam Concho	Low Hazard	27 ft	1959	Earth	Texas
Brady Creek WS SCS Site 27 Dam Concho	Low Hazard	37 ft	1956	Earth	Texas
Brady Creek WS SCS Site 28 Dam Concho	Low Hazard	42 ft	1957	Earth	Texas
Brady Creek WS SCS Site 29 Dam Concho	Low Hazard	29 ft	1955	Earth	Texas