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
Troy Sewage Lagoons Dam Cheshire	Significant Hazard	16 ft	1983	Earth	New Hampshire
Troy Town Reservoir Dam #1 Montgomery	Significant Hazard	—	1932	Concrete	North Carolina
Truck Stop Dam Mercer	Significant Hazard	28 ft	1989	Earth	Missouri
Trumbull Creek Wetland Berm No. 7 Geauga	Significant Hazard	12 ft	2002	Earth	Ohio
Trussams Pond Dam Sussex	Significant Hazard	12 ft	—	Gravity	Delaware
Trust No 12 Dam Henderson	Significant Hazard	19 ft	2008	Earth	Texas
T-S Ranch Dam Eureka	Significant Hazard	76 ft	1990	Earth	Nevada
T S Turnipseed Dam Montgomery	Significant Hazard	—	1969	Earth	Alabama
Tuacahn Wash Upper Detention Basin Washington	Significant Hazard	—	2013	Earth	Utah
Tualatin Park Washington	Significant Hazard	22 ft	1970	Earth	Oregon
Tub Lake Dam Beaverhead	Significant Hazard	13 ft	1904	Earth	Montana
Tub Mill Pond Dam Essex	Significant Hazard	21 ft	1912	Stone	New York
Tuck Lake Dam Kerr	Significant Hazard	17 ft	1978	Earth	Texas
Tuck Lake Dam Bastrop	Significant Hazard	21 ft	1962	Earth	Texas
Tuller Reservoir Dam Hartford	Significant Hazard	46 ft	1900	Earth	Connecticut
Tully Forest Pond #1 Dam Cortland	Significant Hazard	9 ft	1953	Earth	New York
Tully Pond Dam Franklin	Significant Hazard	20 ft	1973	Earth	Massachusetts
Tulsa Bridle Trails Detention Facility Tulsa	Significant Hazard	17 ft	1989	Earth	Oklahoma
Tumco Sediment Pond Dam B 81 Panola	Significant Hazard	38 ft	1990	Earth	Texas
Tungston Mine Tailings Dam Vance	Significant Hazard	—	—	Earth	North Carolina
Tunnel Dam Hydro Station New London	Significant Hazard	32 ft	1906	Concrete	Connecticut
Turgeon Dam Brule	Significant Hazard	26 ft	1951	Earth	South Dakota
Turkey Branch Levee (Asset 17673,17674 and 17675) Montgomery	Significant Hazard	12 ft	1975	Earth	Maryland
Turkey Creek Reservoir Dam Washington	Significant Hazard	31 ft	1980	Earth	Nebraska
Turkey Creek Watershed Structure Y-20-63 Dam Yalobusha	Significant Hazard	18 ft	1960	Earth	Mississippi
Turkey Cr Watershed Site 24-1 Cass	Significant Hazard	31 ft	1990	Earth	Iowa
Turkey Cr Watershed Site 24-2 Cass	Significant Hazard	34 ft	1984	Earth	Iowa
Turkey Cr Watershed Site 50d Cass	Significant Hazard	31 ft	1974	Earth	Iowa
Turkey Cr Watershed Site 55-D Cass	Significant Hazard	42 ft	1994	Earth	Iowa
Turkey Cr Watershed Site 59d-1 Cass	Significant Hazard	32 ft	1990	Earth	Iowa
Turkey Cr Watershed Site 59-D-2 Cass	Significant Hazard	36 ft	1980	Earth	Iowa
Turkey Hill Reservoir Dam & Dike Middlesex	Significant Hazard	10 ft	—	Earth	Connecticut
Turkeypen Monroe	Significant Hazard	26 ft	1973	Earth	Tennessee
Turner Lake Cumberland	Significant Hazard	—	1973	Earth	Tennessee
Turner May Dam Nolan	Significant Hazard	29 ft	1950	Earth	Texas
Turner Pond Dam Norfolk	Significant Hazard	10 ft	1800	Earth	Massachusetts
Turner Pond Dam Bristol	Significant Hazard	14 ft	1949	Concrete	Massachusetts
Turner Reservoir Weston	Significant Hazard	27 ft	1993	Earth	Wyoming
Turners Pond Dam Bamberg	Significant Hazard	16 ft	1954	—	South Carolina
Turners Pond Dam New Haven	Significant Hazard	8 ft	—	Concrete	Connecticut
Turnpike Pond Dam Middlesex	Significant Hazard	9 ft	1900	Earth	Connecticut
Turon Lake Dam Trumbull	Significant Hazard	19 ft	1954	Earth	Ohio
Turpin Farm Dam Owsley	Significant Hazard	26 ft	—	Earth	Kentucky
Turtle Pond Dam #1 New Haven	Significant Hazard	7 ft	—	Earth	Connecticut
Tusculum Dam Amherst	Significant Hazard	25 ft	—	Earth	Virginia
Tuxbury Pond Dam Essex	Significant Hazard	10 ft	—	Earth	Massachusetts
Tuxedo Lake Dam Orange	Significant Hazard	14 ft	1898	Earth	New York
Twain Harte Tuolumne	Significant Hazard	36 ft	1928	Multi-Arch	California
Twelve Mile Creek Watershed Site D-62-1 Union	Significant Hazard	35 ft	1985	Earth	Iowa
Twenty Four Mile Caribou	Significant Hazard	27 ft	1928	—	Idaho