Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Blue Diamond Upper Detention Dam Clark	High Hazard	61 ft	2000	Earth	Nevada
Blue Eye Creek W/S Dam Site 1 Talladega	High Hazard	51 ft	1969	Earth	Alabama
Blue Eye Creek W/S Dam Site 2 Talladega	High Hazard	40 ft	1968	Earth	Alabama
Blue Hills Flood Control Site #2 Dam Hartford	High Hazard	25 ft	1964	Earth	Connecticut
Blue Hills Flood Control Site #2 Dike Hartford	High Hazard	8 ft	—	Earth	Connecticut
Blue Marsh Dam Berks	High Hazard	—	1977	Rockfill	Pennsylvania
Blue Marsh Dam - Bernville Levee Berks	High Hazard	30 ft	1977	Earth	Pennsylvania
Blue Marsh Dam - Dikes A and B Berks	High Hazard	25 ft	1977	—	Pennsylvania
Blue Mesa Gunnison	High Hazard	390 ft	1965	Earth	Colorado
Blue Mountain Dam Yell	High Hazard	115 ft	1947	Earth	Arkansas
Blue Ridge Det Butler	Significant Hazard	16 ft	1990	Earth	Pennsylvania
Blue River Dam Lane	High Hazard	270 ft	1968	Earth	Oregon
Blue Springs Dam Jackson	High Hazard	70 ft	1988	Rockfill	Missouri
Blue Springs Lake West Dam Catoosa	Low Hazard	14 ft	1951	Earth	Georgia
Bluestem Dam Lancaster	High Hazard	—	1963	Earth	Nebraska
Bluestone Dam Summers	High Hazard	—	1947	Concrete	West Virginia
Blumentritt Detention Winona	Low Hazard	24 ft	1966	Earth	Minnesota
Blust Dam Dawes	Low Hazard	19 ft	1950	Earth	Nebraska
Bmw Dam 1 Spartanburg	Low Hazard	30 ft	1994	—	South Carolina
Bmw Dam 2 Spartanburg	Low Hazard	25 ft	1994	—	South Carolina
Board of Educ Lands & Funds Dam 3681 Furnas	Low Hazard	15 ft	1960	Earth	Nebraska
Board of Educ Lands & Funds Dam 3691 Franklin	Low Hazard	15 ft	1960	Earth	Nebraska
Board of Educ Lands & Funds Dam 4610 Buffalo	Low Hazard	18 ft	1960	Earth	Nebraska
Bobby Mcbride Dam Newberry	Low Hazard	33 ft	—	—	South Carolina
Bobcat Johnston	Low Hazard	15 ft	1960	Earth	Oklahoma
Bobcat Pond Allegany	Significant Hazard	13 ft	2016	Earth	Maryland
Boca Negra Detention Dam Bernalillo	High Hazard	26 ft	2014	Earth	New Mexico
Bock Dam Gage	Low Hazard	35 ft	2006	Earth	Nebraska
Boeing Auburn Drainage Ditch Detention D King	Low Hazard	—	1994	Earth	Washington
Boeing Creek M1 Detention Dam King	High Hazard	—	1983	Earth	Washington
Boeing Creek Park North Pond Dam King	High Hazard	—	1998	Earth	Washington
Boeing Flood Control Dam Snohomish	High Hazard	—	1967	Earth	Washington
Boelter Dam Holt	Low Hazard	21 ft	1967	Earth	Nebraska
Bogue Watershed Structure Y-30-020 Dam Grenada	Low Hazard	18 ft	1960	Earth	Mississippi
Bogue Watershed Structure Y-30-034 Dam Montgomery	Low Hazard	24 ft	1960	Earth	Mississippi
Bogue Watershed Structure Y-30-038 Dam Montgomery	Low Hazard	24 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-043 Dam Montgomery	Low Hazard	24 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-051 Dam Montgomery	Low Hazard	23 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-052 Dam Montgomery	Low Hazard	21 ft	1963	Earth	Mississippi
Bogue Watershed Structure Y-30-053 Dam Webster	Low Hazard	21 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-054 Dam Webster	Low Hazard	21 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-055 Dam Webster	Low Hazard	15 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-058 Dam Montgomery	Low Hazard	24 ft	1961	Earth	Mississippi
Bogue Watershed Structure Y-30-066 Dam Webster	Low Hazard	21 ft	1961	Earth	Mississippi
Bogue Watershed Structure Y-30-084 Dam Montgomery	Low Hazard	21 ft	1958	Earth	Mississippi
Bogue Watershed Structure Y-30-085 Dam Webster	Low Hazard	12 ft	1961	Earth	Mississippi
Bogue Watershed Structure Y-30-089 Dam Montgomery	Low Hazard	28 ft	1963	Earth	Mississippi
Bogue Watershed Structure Y-30-090 Dam Grenada	Low Hazard	16 ft	1961	Earth	Mississippi
Bogue Watershed Structure Y-30-094 Dam Montgomery	Low Hazard	19 ft	1962	Earth	Mississippi
Bogue Watershed Structure Y-30-099 Dam Webster	Low Hazard	16 ft	1961	Earth	Mississippi