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
Bigger's Dam Ouachita	Significant Hazard	40 ft	1968	Earth	Arkansas
Big Hill Pond Lake McNairy	Significant Hazard	—	1977	Earth	Tennessee
Big Hollow Dam Des Moines	Significant Hazard	60 ft	2008	Earth	Iowa
Big Hollow No. 1 North Utah	Significant Hazard	—	—	Earth	Utah
Big Hollow No. 2 South Utah	Significant Hazard	—	—	Earth	Utah
Big Horn Lake Dam Jefferson	Significant Hazard	28 ft	1961	Earth	Kentucky
Big Hungry River Dam Henderson	Significant Hazard	—	—	Concrete	North Carolina
Big Indian Creek 12-A Gage	Significant Hazard	30 ft	1964	Earth	Nebraska
Big Indian Creek 16-C Gage	Significant Hazard	35 ft	1974	Earth	Nebraska
Big Island Pond Walter Stickney Dam Rockingham	Significant Hazard	10 ft	1905	Earth	New Hampshire
Big Island Wetland Dam Marion	Significant Hazard	9 ft	1995	Earth	Ohio
Big Lake Missoula	Significant Hazard	30 ft	1915	Earth	Montana
Big Lake Sevier	Significant Hazard	—	1979	Earth	Utah
Big Lake Apache	Significant Hazard	24 ft	1964	Earth	Arizona
Big Lake Dam Tyler	Significant Hazard	21 ft	1949	Earth	Texas
Big Lake Los Manzanos Dam Kerr	Significant Hazard	13 ft	1968	Earth	Texas
Big Lebanon Lake Dam Gloucester	Significant Hazard	13 ft	1941	Earth	New Jersey
Big L Lake Dam Wood	Significant Hazard	30 ft	1959	Earth	Texas
Big Look Trail Dam Burlington	Significant Hazard	10 ft	—	Earth	New Jersey
Big Meadow Pond A.K.A. Judd Pond Dam Litchfield	Significant Hazard	6 ft	1860	Earth	Connecticut
Big Pine Montezuma	Significant Hazard	26 ft	1907	Earth	Colorado
Big Piney Hickman	Significant Hazard	—	1990	Earth	Tennessee
Big Pond Stanly	Significant Hazard	30 ft	—	Earth	North Carolina
Big Ridge Union	Significant Hazard	—	1936	Gravity	Tennessee
Big Sand Watershed Structure Y-32-03 Dam Carroll	Significant Hazard	20 ft	1966	Earth	Mississippi
Big Sand Watershed Structure Y-32-04 Dam Carroll	Significant Hazard	20 ft	1964	Earth	Mississippi
Big Sandy Creek 35-5-2 (Bruning Dam) Fillmore	Significant Hazard	45 ft	1984	Earth	Nebraska
Big Sandy Creek WS SCS Site 2 Dam Clay	Significant Hazard	31 ft	1966	Earth	Texas
Big Sandy Creek WS SCS Site 6 Dam Montague	Significant Hazard	34 ft	1971	Earth	Texas
Big Sky Lake Dam (Missoula) Missoula	Significant Hazard	7 ft	—	Earth	Montana
Big Stone Lake Big Stone	Significant Hazard	15 ft	1937	Earth	Minnesota
Big Timber #47 Rosebud	Significant Hazard	18 ft	1955	Earth	Montana
Big Wash Flood Control Beaver	Significant Hazard	—	1961	Earth	Utah
Big Whiskey 1 Subwatershed Site 3-1 Woodbury	Significant Hazard	38 ft	1968	Earth	Iowa
Bijou #2 Dam #1 Morgan	Significant Hazard	22 ft	1898	Earth	Colorado
Bijou #2 Dam #2 Morgan	Significant Hazard	22 ft	1898	Earth	Colorado
Bijou #2 Dam #3 Morgan	Significant Hazard	22 ft	1898	Earth	Colorado
Bijou #2 Dam #4 Morgan	Significant Hazard	22 ft	1898	Earth	Colorado
Bilinovich Lake Dam Guernsey	Significant Hazard	57 ft	1992	Earth	Ohio
Bill Buress Corson	Significant Hazard	19 ft	1945	Earth	South Dakota
Bill Ellis Lagoon Dam Wilson	Significant Hazard	—	1988	Earth	North Carolina
Billings Avery Dam New London	Significant Hazard	19 ft	1968	Earth	Connecticut
Billings Lake Dam New London	Significant Hazard	12 ft	1900	Earth	Connecticut
Bills Ranch Lake Summit	Significant Hazard	8 ft	1933	Earth	Colorado
Billy Boy Sawyer	Significant Hazard	13 ft	1936	Gravity	Wisconsin
Binder Lake Dam Adams	Significant Hazard	35 ft	1942	Earth	Iowa
Binford Dam Multnomah	Significant Hazard	25 ft	1958	Earth	Oregon
Binion #3 Garfield	Significant Hazard	23 ft	1945	Earth	Montana
Binnewater Reservoir Dam & Dike Ulster	Significant Hazard	30 ft	1926	Earth	New York
Bintliff Dam Travis	Significant Hazard	56 ft	1987	Other	Texas