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
Birch Creek Forest Dam 2 Burleson	Significant Hazard	11 ft	1970	Earth	Texas
Birch Lake Washburn	Significant Hazard	28 ft	1878	Gravity	Wisconsin
Birch Mill Pond Dam Middlesex	Significant Hazard	9 ft	1850	Earth	Connecticut
Birchwood Lake Dam Burlington	Significant Hazard	9 ft	1955	Earth	New Jersey
Bird Lake Dam Jackson	Significant Hazard	—	—	Earth	North Carolina
Bird Pond Dam Litchfield	Significant Hazard	9 ft	—	Earth	Connecticut
Birdsong Lake Dam Eastland	Significant Hazard	39 ft	1966	Earth	Texas
Birdwell White	Significant Hazard	—	1995	Earth	Tennessee
Birdwell Lake Dam Tyler	Significant Hazard	15 ft	1945	Earth	Texas
Birnen Pond Dam Mecklenburg	Significant Hazard	—	—	Earth	North Carolina
Bishop Jefferson	Significant Hazard	—	—	Earth	Pennsylvania
Bishop Creek Intake No. 2 Inyo	Significant Hazard	30 ft	1908	Earth	California
Bishop Lake Dam Montgomery	Significant Hazard	30 ft	1976	Earth	Missouri
Bishops Pond Dam New Haven	Significant Hazard	13 ft	1900	Earth	Connecticut
Bishops Pond Dam New Haven	Significant Hazard	7 ft	1955	Earth	Connecticut
Bishop Swamp Dam Tolland	Significant Hazard	9 ft	—	—	Connecticut
Bison Park Teller	Significant Hazard	27 ft	1902	Earth	Colorado
Bissell Pond Dam Grand Traverse	Significant Hazard	16 ft	1852	Earth	Michigan
Bissonette Pond Dam Tolland	Significant Hazard	6 ft	1930	Masonry	Connecticut
Bittersweet Lake Dam Bartholomew	Significant Hazard	25 ft	2005	Earth	Indiana
Bixhoma Lake Wagoner	Significant Hazard	95 ft	1965	Earth	Oklahoma
Bl-06-N Polk	Significant Hazard	15 ft	1995	Earth	Florida
Black Bayou Dam Caddo	Significant Hazard	20 ft	1955	Earth	Louisiana
Blackburn Dam Morrill	Significant Hazard	27 ft	1961	Earth	Nebraska
Blackfoot Bridge Wmp #1 & #2 Caribou	Significant Hazard	35 ft	2012	—	Idaho
Black Hawk Madera	Significant Hazard	45 ft	1971	Earth	California
Blackhawk-Kickapoo Project Crawford	Significant Hazard	45 ft	1974	Earth	Wisconsin
Blackhawk Lake Valley	Significant Hazard	45 ft	1968	—	Idaho
Black Hawk Lake Dam Sac	Significant Hazard	12 ft	1916	Earth	Iowa
Blackhouse Road Pond Dam Fairfield	Significant Hazard	9 ft	—	Earth	Connecticut
Blackjack Dam White Pine	Significant Hazard	10 ft	1932	Earth	Nevada
Black Lake #2 Eagle	Significant Hazard	27 ft	1957	Earth	Colorado
Blacklidge Lake Dam Logan	Significant Hazard	27 ft	1972	Earth	Ohio
Blackman_* Mesa	Significant Hazard	22 ft	1911	Earth	Colorado
Blackman Lake Dam Sampson	Significant Hazard	—	1954	Earth	North Carolina
Blackmon Stock Tank Dam Palo Pinto	Significant Hazard	16 ft	1965	Earth	Texas
Black Reservoir Dam Cheshire	Significant Hazard	10 ft	1850	Concrete	New Hampshire
Black River Imp Pennington	Significant Hazard	14 ft	2022	Earth	Minnesota
Blacks Dam Jasper	Significant Hazard	20 ft	1973	Earth	Mississippi
Black Shop Pond Dam Middlesex	Significant Hazard	7 ft	—	Earth	Connecticut
Blacksmith Fork Cache	Significant Hazard	14 ft	1972	Earth	Utah
Black Spruce Pond Dam Windham	Significant Hazard	6 ft	1960	Earth	Connecticut
Blackstone River Dam Worcester	Significant Hazard	12 ft	—	Masonry	Massachusetts
Blacksville #1 Freshwater Imp Greene	Significant Hazard	20 ft	1974	Earth	Pennsylvania
Blacktail Dam Williams	Significant Hazard	57 ft	1959	Earth	North Dakota
Blackwell Millpond Dam Chesterfield	Significant Hazard	10 ft	1950	—	South Carolina
Blackwells Mills Dam Somerset	Significant Hazard	20 ft	—	Earth	New Jersey
Blackwood Lake Dam Camden	Significant Hazard	14 ft	1922	Earth	New Jersey
Bladens River Dam New Haven	Significant Hazard	12 ft	1906	Masonry	Connecticut
Blair No. 1 Clay	Significant Hazard	—	1972	Earth	Alabama