Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bear - Pierce - Cedar 4-A Gage	Low Hazard	24 ft	1969	Earth	Nebraska
Bear - Pierce - Cedar 4-C Gage	Low Hazard	23 ft	1969	Earth	Nebraska
Bear - Pierce - Cedar 5-A Gage	Significant Hazard	30 ft	1976	Earth	Nebraska
Bear - Pierce - Cedar 5-B Gage	Low Hazard	24 ft	1976	Earth	Nebraska
Bear - Pierce - Cedar 6-2 Gage	Low Hazard	28 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 6-3 Gage	Low Hazard	25 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 6-A Gage	Low Hazard	27 ft	1977	Earth	Nebraska
Bear - Pierce - Cedar 6-B Gage	Low Hazard	32 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 7-B Gage	Low Hazard	29 ft	1967	Earth	Nebraska
Bear - Pierce - Cedar 7-C Gage	Low Hazard	31 ft	1970	Earth	Nebraska
Bear - Pierce - Cedar 7-D Gage	Low Hazard	31 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 7-E Gage	Low Hazard	30 ft	1976	Earth	Nebraska
Bear - Pierce - Cedar 7-F Gage	Low Hazard	33 ft	1972	Earth	Nebraska
Bear - Pierce - Cedar 7-G Gage	Low Hazard	24 ft	1979	Earth	Nebraska
Bear - Pierce - Cedar 7-J Gage	Low Hazard	28 ft	1970	Earth	Nebraska
Bear - Pierce - Cedar 8-B Gage	Low Hazard	28 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 8-C Gage	Low Hazard	26 ft	1977	Earth	Nebraska
Bear - Pierce - Cedar 9-A Gage	Low Hazard	30 ft	1978	Earth	Nebraska
Bear - Pierce - Cedar 9-B Gage	Low Hazard	32 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 9-C Gage	Low Hazard	32 ft	1978	Earth	Nebraska
Bear - Pierce - Cedar 9-D Gage	Significant Hazard	31 ft	1972	Earth	Nebraska
Bear - Pierce - Cedar 9-E Gage	Low Hazard	29 ft	1966	Earth	Nebraska
Bear - Pierce - Cedar 9-F Gage	Low Hazard	24 ft	1979	Earth	Nebraska
Bear Pond Androscoggin	Low Hazard	16 ft	1820	Concrete	Maine
Bear Valley S-16a Wabasha	Low Hazard	30 ft	1963	Earth	Minnesota
Bear Valley S-21b Wabasha	Low Hazard	23 ft	1963	Earth	Minnesota
Bear Valley S-22b Wabasha	Low Hazard	23 ft	1963	Earth	Minnesota
Beasley Dam Deuel	Low Hazard	10 ft	1935	Earth	Nebraska
Beattie Diversion Dam Dawson	Low Hazard	12 ft	2007	Earth	Nebraska
Beautiful Run Dam #10 Madison	Low Hazard	28 ft	—	Earth	Virginia
Beautiful Run Dam #11 Madison	Significant Hazard	32 ft	—	Earth	Virginia
Beautiful Run Dam #1b Madison	Low Hazard	35 ft	—	Earth	Virginia
Beautiful Run Dam #2a Madison	High Hazard	39 ft	—	Earth	Virginia
Beautiful Run Dam #4 Madison	Low Hazard	29 ft	—	Earth	Virginia
Beautiful Run Dam #5 Madison	Low Hazard	27 ft	—	Earth	Virginia
Beautiful Run Dam #6 Madison	Low Hazard	29 ft	—	Earth	Virginia
Beautiful Run Dam #7 Madison	Low Hazard	26 ft	—	Earth	Virginia
Beaver Brook Site #1 Dam Herkimer	High Hazard	36 ft	2002	Earth	New York
Beaver Creek Dam Bristol	High Hazard	85 ft	1965	Earth	Virginia
Beaver Creek Dam #1 Albemarle	High Hazard	60 ft	—	Earth	Virginia
Beaver Creek Dam (Bc-20) Steele	Significant Hazard	75 ft	1988	Earth	North Dakota
Beaver Creek (Pa-433) Chester	High Hazard	36 ft	1975	Earth	Pennsylvania
Beaver Creek Reservoir Dam Hill	High Hazard	108 ft	1974	Earth	Montana
Beaver Dam Carroll	High Hazard	228 ft	1963	Concrete	Arkansas
Beaverdam Creek WCD Dam 1 Edgefield	High Hazard	31 ft	1964	—	South Carolina
Beaverdam Creek WCD Dam 2 Oconee	High Hazard	57 ft	1974	—	South Carolina
Beaverdam Creek WCD Dam 2 Edgefield	High Hazard	33 ft	1964	—	South Carolina
Beaverdam Creek WCD Dam 3a Oconee	High Hazard	49 ft	1981	—	South Carolina
Beaverdam Creek WCD Dam 4 Oconee	High Hazard	60 ft	1973	—	South Carolina
Beaverdam Creek WCD Dam 5 Oconee	High Hazard	37 ft	1971	—	South Carolina