Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bayou Macon Cutoff 1 Franklin	Low Hazard	14 ft	1962	Earth	Louisiana
Bayou Macon Cutoff 2 Franklin	Low Hazard	22 ft	1961	Earth	Louisiana
Bayou Macon Cutoff 3 Madison	Low Hazard	18 ft	1961	Earth	Louisiana
Bdl Partnership Dam Franklin	Low Hazard	16 ft	1960	Earth	Nebraska
Beach City Dam Tuscarawas	High Hazard	—	1936	Earth	Ohio
Bean Creek 5-4 Richardson	Low Hazard	36 ft	1978	Earth	Nebraska
Bean Creek 5-5 Richardson	Low Hazard	53 ft	1976	Earth	Nebraska
Bean Creek 5-6 Richardson	Low Hazard	36 ft	1978	Earth	Nebraska
Bean Lake Dam Appling	Low Hazard	12 ft	1968	Earth	Georgia
Bear Creek #1 Fayette	Low Hazard	—	1962	Earth	Tennessee
Bear Creek #2 Fayette	Low Hazard	—	1962	Earth	Tennessee
Bear Creek Dam Ralls	High Hazard	65 ft	1962	Earth	Missouri
Bear Creek Dam Jefferson	High Hazard	—	1979	Earth	Colorado
Bear Creek Dam Franklin	High Hazard	68 ft	1969	Earth	Alabama
Bear Creek No 1 Allen	Significant Hazard	17 ft	1959	Earth	Louisiana
Bear Creek No 2 Allen	Significant Hazard	14 ft	1960	Earth	Louisiana
Bear Creek No 3 Allen	Low Hazard	12 ft	1960	Earth	Louisiana
Bear Creek Site 13 Houston	Low Hazard	36 ft	2003	Earth	Minnesota
Bear Creek Site 17 Houston	Low Hazard	34 ft	2006	Earth	Minnesota
Bear Creek Site 3 Houston	Low Hazard	31 ft	2010	Earth	Minnesota
Bear Creek Site 8 Houston	Low Hazard	27 ft	2010	Earth	Minnesota
Bear Creek Watershed Dam A- 2 Scotland	Low Hazard	27 ft	1967	Earth	Missouri
Bear Creek Watershed Dam D- 1 Scotland	Low Hazard	29 ft	1975	Earth	Missouri
Bear Creek Watershed Dam D- 2 Scotland	Low Hazard	27 ft	1975	Earth	Missouri
Bear Creek Watershed Dam F- 1 Clark	Low Hazard	28 ft	1975	Earth	Missouri
Bear Creek Watershed Dam X- 2 Scotland	Low Hazard	26 ft	1980	Earth	Missouri
Bear Creek Watershed Dam X- 3 Scotland	Low Hazard	22 ft	1980	Earth	Missouri
Bear Creek Watershed Dam X- 5 Scotland	Low Hazard	30 ft	1978	Earth	Missouri
Bear Creek Watershed Dam X- 7a Clark	Low Hazard	30 ft	1981	Earth	Missouri
Bear Creek Watershed Site 21 Winneshiek	Low Hazard	37 ft	2011	Earth	Iowa
Bear Creek Watershed Site 23 Winneshiek	Low Hazard	32 ft	2000	Earth	Iowa
Bear Creek Watershed Site 25 Winneshiek	Low Hazard	35 ft	2000	Earth	Iowa
Bear Creek Watershed Site 26 Winneshiek	Low Hazard	28 ft	2011	Earth	Iowa
Bear Creek Watershed Site 43 Winneshiek	Low Hazard	35 ft	2007	Earth	Iowa
Bear Creek Watershed Site 47 Winneshiek	Low Hazard	32 ft	2006	Earth	Iowa
Bear Creek Watershed Site 48 Winneshiek	Low Hazard	27 ft	2005	Earth	Iowa
Bear Creek Watershed Site 51 Winneshiek	Low Hazard	30 ft	2005	Earth	Iowa
Bear Creek Watershed Site 56 Winneshiek	Low Hazard	26 ft	2002	Earth	Iowa
Bear Dam Mariposa	High Hazard	85 ft	1954	Earth	California
Bearden Lake Dam Columbia	Low Hazard	—	1964	Earth	Arkansas
Beardsley Tuolumne	High Hazard	278 ft	1957	Earth	California
Bear Gulch Dam San Benito	High Hazard	44 ft	1934	Gravity	California
Bear Lake Leavenworth	High Hazard	41 ft	—	Earth	Kansas
Bear - Pierce - Cedar 2-1 Gage	Low Hazard	24 ft	1972	Earth	Nebraska
Bear - Pierce - Cedar 2-A Gage	Low Hazard	34 ft	1974	Earth	Nebraska
Bear - Pierce - Cedar 2-B Gage	Low Hazard	35 ft	1974	Earth	Nebraska
Bear - Pierce - Cedar 3-A Gage	Low Hazard	28 ft	1967	Earth	Nebraska
Bear - Pierce - Cedar 3-B Gage	Low Hazard	30 ft	1969	Earth	Nebraska
Bear - Pierce - Cedar 3-C Gage	Low Hazard	27 ft	1969	Earth	Nebraska
Bear - Pierce - Cedar 4-2 Gage	Low Hazard	21 ft	1969	Earth	Nebraska