Significant Hazard Dams

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Dam Name	Hazard	Height	Built	Type	State
Blue Top Dam Broome	Significant Hazard	20 ft	2000	Earth	New York
Blue Water Lake Williamson	Significant Hazard	—	—	Earth	Tennessee
Bmg Mine Willow Creek Dam Lander	Significant Hazard	60 ft	1989	Earth	Nevada
Boardman St. Reservoir Dam Washington	Significant Hazard	15 ft	1870	Earth	New York
Bobcat Pond Allegany	Significant Hazard	13 ft	2016	Earth	Maryland
Bob Gold Dam Lee	Significant Hazard	12 ft	1940	Earth	Texas
Bobwhite Lake Dam Wayne	Significant Hazard	27 ft	1900	Earth	Iowa
Bochain Pond Middlesex	Significant Hazard	5 ft	—	Earth	Connecticut
Boddies Millpond Dam Nash	Significant Hazard	—	1933	Concrete	North Carolina
Bodwell Septage Facility Dam Rockingham	Significant Hazard	9 ft	2010	Earth	New Hampshire
Boggeman Lemhi	Significant Hazard	24 ft	1963	—	Idaho
Boggs Pond Dam Fairfield	Significant Hazard	14 ft	1900	Earth	Connecticut
Bog Meadow Reservoir Dam Orange	Significant Hazard	29 ft	1996	Earth	New York
Bog Meadow Reservoir Dam New London	Significant Hazard	17 ft	1893	Earth	Connecticut
Bog Pond Dam Merrimack	Significant Hazard	17 ft	1870	Concrete	New Hampshire
Bogue Brook Reservoir Dam New London	Significant Hazard	21 ft	1920	Concrete	Connecticut
Bogus Creek 2 Pepin	Significant Hazard	41 ft	1963	Earth	Wisconsin
Boiler Feed Basin Calhoun	Significant Hazard	12 ft	1957	Earth	Texas
Boise Cascade Lower Dam Lewis	Significant Hazard	14 ft	1865	Concrete	New York
Boka Woods Lake No. 1 Dam Fairfield	Significant Hazard	26 ft	1965	Earth	Ohio
Bolen Mesa	Significant Hazard	25 ft	1973	Earth	Colorado
Bolivar Pond Dam Norfolk	Significant Hazard	12 ft	2006	Earth	Massachusetts
Bomar #2 Bedford	Significant Hazard	—	1968	Earth	Tennessee
Bomb Range Dam Fall River	Significant Hazard	18 ft	1951	Earth	South Dakota
Bonanza Meagher	Significant Hazard	44 ft	1938	Earth	Montana
Bonclarken Lake Dam Henderson	Significant Hazard	—	1958	Earth	North Carolina
Bond Christian Camp Lake Dam Bond	Significant Hazard	19 ft	1957	Earth	Illinois
Bonds Creek Site No. 1 Ritchie	Significant Hazard	53 ft	1962	Earth	West Virginia
Bondsville Lower Dam Hampshire	Significant Hazard	16 ft	1975	Earth	Massachusetts
Bondsville Upper Dam Hampshire	Significant Hazard	28 ft	—	Masonry	Massachusetts
Bone Lake Dam Perry	Significant Hazard	—	1950	Earth	Alabama
Bone Mill Pond Dam Tolland	Significant Hazard	15 ft	—	Earth	Connecticut
Bonner, Brandon - No. 2 Utah	Significant Hazard	—	—	Earth	Utah
Bonnie Rose Lake Dam Aleutians West Census Area	Significant Hazard	10 ft	1943	Buttress	Alaska
Bonnie View Dam Crook	Significant Hazard	38 ft	1953	Earth	Oregon
Bookout Dam Dimmit	Significant Hazard	19 ft	1946	Earth	Texas
Boone Farms Lake Dam Hampshire	Significant Hazard	31 ft	1971	Earth	West Virginia
Boone Millpond Dam Northampton	Significant Hazard	—	1933	Earth	North Carolina
Boonton Reservoir Dam Morris	Significant Hazard	15 ft	1900	Earth	New Jersey
Boot Lake Dam Transylvania	Significant Hazard	—	—	Earth	North Carolina
Boot Ranch Dam 1441 Gillespie	Significant Hazard	28 ft	—	Earth	Texas
Borden Estate Dam Orange	Significant Hazard	18 ft	1912	Buttress	New York
Borden Holding Pond No 2 Hillsborough	Significant Hazard	13 ft	1960	Earth	Florida
Border Pond Dam New London	Significant Hazard	6 ft	—	Masonry	Connecticut
Borders Gss Ellis	Significant Hazard	23 ft	1980	Earth	Texas
Boren Dam Creek	Significant Hazard	50 ft	1940	Earth	Oklahoma
Borgsmiller Lake Dam Jackson	Significant Hazard	20 ft	1970	Earth	Illinois
Bormuth Dam Burke	Significant Hazard	—	—	Earth	North Carolina
Borrelli Farm Pond Dam New Haven	Significant Hazard	13 ft	—	Earth	Connecticut
Bosch No. 2 Sonoma	Significant Hazard	55 ft	1962	Earth	California