High Hazard Dams

Loss of human life is likely if the dam fails.

Dam Name	Hazard	Height	Built	Type	State
Bonita Number 2 Dam Lauderdale	High Hazard	55 ft	1992	Earth	Mississippi
Bonito Dam Lincoln	High Hazard	113 ft	1930	Rockfill	New Mexico
Bonne Aqua Lake Dam St. Francois	High Hazard	25 ft	1955	Earth	Missouri
Bonneau Chouteau	High Hazard	—	2005	Earth	Montana
Bonneville Locks and Dam Multnomah	High Hazard	56 ft	1938	Gravity	Oregon
Bonney Lake Wsu Infiltration Pond Pierce	High Hazard	—	2018	Earth	Washington
Bonnie Doone Lake Dam Cumberland	High Hazard	—	1920	Earth	North Carolina
Bonny Yuma	High Hazard	130 ft	1951	Earth	Colorado
Bono Lake Dam Craighead	High Hazard	52 ft	—	Earth	Arkansas
Bonsal Tailings Dam Anson	High Hazard	—	1976	Earth	North Carolina
Bon Tempe Marin	High Hazard	98 ft	1949	Earth	California
Booker'S Lake Dam Oconee	High Hazard	24 ft	1948	—	South Carolina
Boondok Hickman	High Hazard	—	1966	Earth	Tennessee
Boone Dam Washington	High Hazard	160 ft	1952	Concrete	Tennessee
Boone Lake Washington	High Hazard	21 ft	1885	Masonry	Rhode Island
Boone Trail Farm Lake Dam Warren	High Hazard	28 ft	1956	Earth	Missouri
Boonton Dam Morris	High Hazard	120 ft	1905	Masonry	New Jersey
Boonville City Lake Dam No. 1 Warrick	High Hazard	15 ft	—	—	Indiana
Booth Lake Dam Jefferson	High Hazard	29 ft	1965	Earth	Missouri
Boot Lake Dam Bowie	High Hazard	14 ft	1965	Earth	Texas
Boot Lake Dam Beaverhead	High Hazard	27 ft	1912	Earth	Montana
Bootleg Navajo	High Hazard	—	1965	Earth	Arizona
Bootleg Detention Basin Dam Clark	High Hazard	22 ft	—	Earth	Nevada
Boozer Lower Pond Dam Calhoun	High Hazard	18 ft	1975	—	South Carolina
Borden Brook Reservoir Dam Hampden	High Hazard	75 ft	1909	Earth	Massachusetts
Borden Lake Dam Clark	High Hazard	53 ft	1971	Earth	Indiana
Borg Dam Tioga	High Hazard	14 ft	1984	Earth	Pennsylvania
Borger Regulating Reservoir Embankment Hutchinson	High Hazard	17 ft	1966	—	Texas
Borrega Detention Dam Bernalillo	High Hazard	20 ft	2001	Earth	New Mexico
Bosley Wash Detention Basin Mesa	High Hazard	19 ft	2019	Earth	Colorado
Boss Lake Chaffee	High Hazard	21 ft	1894	Earth	Colorado
Boston Lakewood Park Dam Franklin	High Hazard	41 ft	1970	Earth	Missouri
Bottom Diggins Dam Washington	High Hazard	41 ft	1957	Earth	Missouri
Bottoms Lake	High Hazard	47 ft	1990	Earth	California
Boulanger Lake Dam Warren	High Hazard	33 ft	1955	Earth	Missouri
Boulder - North Boulder	High Hazard	44 ft	1955	Earth	Colorado
Boulder - South Boulder	High Hazard	45 ft	1955	Earth	Colorado
Bouldin Dam Randolph	High Hazard	—	1956	Earth	North Carolina
Boundary Pend Oreille	High Hazard	340 ft	1967	Concrete	Washington
Bounds Lake Dam Lauderdale	High Hazard	20 ft	1950	Earth	Mississippi
Bouquet Canyon Los Angeles	High Hazard	190 ft	1934	Earth	California
Bourne Reservoir Dam Douglas	High Hazard	24 ft	1997	Earth	Nevada
Bowdish Lower Providence	High Hazard	—	—	—	Rhode Island
Bowdish Reservoir Providence	High Hazard	12 ft	1850	Gravity	Rhode Island
Bowers Dam Hillsborough	High Hazard	25 ft	1884	Earth	New Hampshire
Bowie Lake Dam Montague	High Hazard	28 ft	1936	Earth	Texas
Bowies Pond Caroline	High Hazard	14 ft	1940	Earth	Virginia
Bowie Town Center Lake Prince George's	High Hazard	20 ft	1990	Earth	Maryland
Bow Lake Dam Strafford	High Hazard	24 ft	1832	Earth	New Hampshire
Bowlby Mills Amd Dam	High Hazard	—	—	—	West Virginia