Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bailey Debris Basin Los Angeles	High Hazard	43 ft	1954	Earth	California
Baird-Beyer Red Lake	Low Hazard	32 ft	1979	Earth	Minnesota
Bair Lake Dam St. Charles	High Hazard	32 ft	1971	Earth	Missouri
Baker Hill Detention Basin Dam DuPage	High Hazard	23 ft	1999	Earth	Illinois
Baker River Site 11a Dam Grafton	High Hazard	24 ft	1971	Earth	New Hampshire
Baker River Site 11 Dam Grafton	High Hazard	24 ft	1971	Earth	New Hampshire
Baker River Site 2 Dam Grafton	High Hazard	68 ft	1965	Earth	New Hampshire
Baker River Site 5 Dam Grafton	High Hazard	53 ft	1967	Earth	New Hampshire
Baker River Site 5 Dike Grafton	Low Hazard	20 ft	1969	Earth	New Hampshire
Baker River Site 6a Dam Grafton	High Hazard	68 ft	1975	Earth	New Hampshire
Baker River Site 6 Dam Grafton	Significant Hazard	14 ft	1969	Earth	New Hampshire
Baker River Site 8 Dam Grafton	High Hazard	63 ft	1967	Earth	New Hampshire
Baker Subwatershed Site 1-3 Monona	Low Hazard	38 ft	1959	Earth	Iowa
Baker Subwatershed Site 2-4 Monona	Low Hazard	29 ft	1959	Earth	Iowa
Baker Subwatershed Site 5-3 Monona	Low Hazard	40 ft	1959	Earth	Iowa
Balch Pond Dam Middlesex	Significant Hazard	12 ft	—	Earth	Massachusetts
Balch Pond Dike Middlesex	Significant Hazard	3 ft	—	Earth	Massachusetts
Balder Reservoir McCone	Significant Hazard	28 ft	1962	Earth	Montana
Baldhill Dam Barnes	High Hazard	47 ft	1950	Concrete	North Dakota
Bald Mountain Vantage Process Ponds Dam White Pine	Low Hazard	35 ft	—	Earth	Nevada
Bald Peak Group Dam Scotts Bluff	Significant Hazard	37 ft	1970	Earth	Nebraska
Balka Group Dam Garden	Low Hazard	18 ft	1965	Earth	Nebraska
Ballantyne Lower Dam Mecklenburg	Low Hazard	—	1997	Earth	North Carolina
Ball Mountain Dam Windham	High Hazard	247 ft	1961	Earth	Vermont
Banion John O No 10 Marshall	Low Hazard	38 ft	1978	Earth	Oklahoma
Banklick Creek FRS No 3 Kenton	High Hazard	112 ft	1980	Earth	Kentucky
Banneker Regional Pond Baltimore	Significant Hazard	15 ft	2006	Earth	Maryland
Banning Lewis #1 El Paso	Low Hazard	30 ft	1888	Earth	Colorado
Baptist Lake St. Clair	Low Hazard	28 ft	1953	Earth	Alabama
Barber Creek WS Str # 25 Barrow	High Hazard	29 ft	1960	Earth	Georgia
Barber Creek WS Str #26 Oconee	Low Hazard	22 ft	1960	Earth	Georgia
Barber Creek WS Str # 6 Barrow	Low Hazard	30 ft	1959	Earth	Georgia
Barber Creek WS Str # 9 Barrow	Low Hazard	30 ft	1960	Earth	Georgia
Barber Hollow Subwatershed Site 5-1 Monona	Low Hazard	51 ft	1966	Earth	Iowa
Barber Hollow Subwtrshed Site 5-H-3865 Monona	Low Hazard	30 ft	1967	Earth	Iowa
Barbour Mill Dam Passaic	Significant Hazard	13 ft	1890	Earth	New Jersey
Barclay Station Detention Dam Lake	Low Hazard	9 ft	1993	Other	Illinois
Bardwell Dam Ellis	High Hazard	82 ft	1965	Earth	Texas
Barefoot Brook Dam Middlesex	Significant Hazard	16 ft	1962	Earth	Massachusetts
Barger Dam Caddo	Low Hazard	24 ft	—	—	Oklahoma
Bar Island Detention Dam Phillips	Low Hazard	—	1967	Gravity	Montana
Barker Dam Harris	High Hazard	37 ft	1945	Gravity	Texas
Barkley Lock and Dam Lyon	High Hazard	—	1966	Gravity	Kentucky
Bar Mills York	Low Hazard	25 ft	1956	Concrete	Maine
Barnds Stock Campbell	Low Hazard	23 ft	1980	Earth	Wyoming
Barneston (Pa 432) Chester	High Hazard	43 ft	1983	Earth	Pennsylvania
Barnett Dam Panola	Low Hazard	23 ft	—	Earth	Mississippi
Barnett Dam Gosper	Low Hazard	13 ft	1961	Earth	Nebraska
Barney`S Wash (6400west)Detention Basin Salt Lake	Significant Hazard	—	2001	Earth	Utah
Barnum Park Lake Denver	Low Hazard	22 ft	1956	Earth	Colorado