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
Ballwall Pond Dam Fairfield	Significant Hazard	6 ft	—	Concrete	Connecticut
Balm Creek Reservoir Baker	Significant Hazard	65 ft	1963	Earth	Oregon
Balsams Mohawk River Dam Coos	Significant Hazard	55 ft	—	Earth	New Hampshire
Balsams Wastewater Lagoons Dam Coos	Significant Hazard	28 ft	1965	Earth	New Hampshire
Baltic Reservoir Dam (East) New London	Significant Hazard	9 ft	—	Concrete	Connecticut
Baltic Reservoir Dam (West) New London	Significant Hazard	30 ft	1900	Concrete	Connecticut
Baltz Lake Dam Randolph	Significant Hazard	—	1970	Earth	Arkansas
Banneker Regional Pond Baltimore	Significant Hazard	15 ft	2006	Earth	Maryland
Banner Mill Tailings Dam Hidalgo	Significant Hazard	38 ft	2010	Rockfill	New Mexico
Banning Refuse Slurry Pond Fayette	Significant Hazard	65 ft	—	Earth	Pennsylvania
Bantam Hydro Dam Litchfield	Significant Hazard	20 ft	1945	Concrete	Connecticut
Bantam Pond Dam Litchfield	Significant Hazard	14 ft	1970	Earth	Connecticut
Baptist Foundation Lake Dam Clinton	Significant Hazard	36 ft	1972	Earth	Ohio
Barber Ada	Significant Hazard	26 ft	1904	Timber Crib	Idaho
Barber Hill Road Pond #1 Dam Hartford	Significant Hazard	3 ft	—	Earth	Connecticut
Barber Lake Dam No 1(Sec 31) Henry	Significant Hazard	20 ft	1972	Earth	Missouri
Barber Lake Dam No 2 Henry	Significant Hazard	27 ft	1975	Earth	Missouri
Barberville Pond Washington	Significant Hazard	11 ft	1882	Masonry	Rhode Island
Barbour Mill Dam Passaic	Significant Hazard	13 ft	1890	Earth	New Jersey
Barbour Pond Dam Cumberland	Significant Hazard	—	—	Earth	North Carolina
Barbours Pond Dam Passaic	Significant Hazard	20 ft	1888	Earth	New Jersey
Barclay Lake Dam Tyler	Significant Hazard	17 ft	1932	Earth	Texas
Bar D Custer	Significant Hazard	26 ft	1950	—	Idaho
Bardack Dam Albany	Significant Hazard	25 ft	1912	Earth	New York
Barden Reservoir Providence	Significant Hazard	31 ft	1883	Masonry	Rhode Island
Bardonner Lake Dam Brown	Significant Hazard	34 ft	1967	Earth	Indiana
Barefoot Brook Dam Middlesex	Significant Hazard	16 ft	1962	Earth	Massachusetts
Bare Hill Pond Dam Worcester	Significant Hazard	9 ft	1837	Earth	Massachusetts
Bargaintown Mill Pond Dam Atlantic	Significant Hazard	10 ft	1718	Earth	New Jersey
Barhorst Lake Dam Shelby	Significant Hazard	33 ft	1970	Earth	Ohio
Barker No. 1 Summit	Significant Hazard	—	1958	Earth	Utah
Barley Reservoir Rosebud	Significant Hazard	24 ft	1958	Earth	Montana
Barlows Pond Dam York	Significant Hazard	12 ft	—	Earth	Virginia
Barnes Bros. Reservoir Marion	Significant Hazard	32 ft	1963	Earth	Oregon
Barnes Lake Dam Marshall	Significant Hazard	23 ft	1957	Earth	Illinois
Barnes Lake Dam Lavaca	Significant Hazard	24 ft	1962	Earth	Texas
Barnes Reservoir Dam New London	Significant Hazard	22 ft	1902	Earth	Connecticut
Barnett El Dorado	Significant Hazard	18 ft	1948	Earth	California
Barney Lake Piute	Significant Hazard	—	1914	Earth	Utah
Barney`S Wash (6400west)Detention Basin Salt Lake	Significant Hazard	—	2001	Earth	Utah
Barr Dam Fauquier	Significant Hazard	33 ft	—	Earth	Virginia
Barre Town Reservoir Dam Worcester	Significant Hazard	10 ft	—	Earth	Massachusetts
Barrett Lake Grant	Significant Hazard	10 ft	1937	Gravity	Minnesota
Barrett Park Pond Dam Worcester	Significant Hazard	15 ft	—	Earth	Massachusetts
Barrick Roaster Pond Dam Eureka	Significant Hazard	28 ft	1993	Earth	Nevada
Barrowsville Pond Dam Bristol	Significant Hazard	13 ft	1920	Earth	Massachusetts
Barryton Dam Mecosta	Significant Hazard	14 ft	1920	Gravity	Michigan
Barstowe's Pond Bristol	Significant Hazard	8 ft	1920	—	Massachusetts
Barstow Pond Dam Hartford	Significant Hazard	4 ft	—	Earth	Connecticut
Bartlett Carry Dam Franklin	Significant Hazard	17 ft	1915	Concrete	New York