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
Wadsworth Falls Dam #2 Middlesex	Significant Hazard	10 ft	—	Earth	Connecticut
Wadsworth Pond Summit	Significant Hazard	—	—	Earth	Utah
Wadsworth Pond Dam Livingston	Significant Hazard	21 ft	1905	—	New York
Wadsworth Sludge Lagoon Medina	Significant Hazard	25 ft	1990	Earth	Ohio
Waggoner Haakon	Significant Hazard	27 ft	1940	Earth	South Dakota
Wagner CO Rwd #4 North Reservoir Wagoner	Significant Hazard	22 ft	2001	Earth	Oklahoma
Wagner Lake Dam Warren	Significant Hazard	42 ft	1966	Earth	Missouri
Wagner Lake Dam Owen	Significant Hazard	26 ft	—	Earth	Indiana
Wagon Wheel Lake Dam Brown	Significant Hazard	14 ft	—	Earth	Ohio
W A Hughes Lake Dam Perry	Significant Hazard	—	—	Earth	Alabama
Waikamoi Reservoirs Maui	Significant Hazard	20 ft	1980	Earth	Hawaii
Waite Pond Dam Worcester	Significant Hazard	11 ft	—	Masonry	Massachusetts
Waiting Springs Swm Pond Howard	Significant Hazard	12 ft	1971	Earth	Maryland
Wakefield Farms Lagoon 1 Dam Dixon	Significant Hazard	40 ft	2014	Earth	Nebraska
Wakefield Farms Lagoon 2 Dam Dixon	Significant Hazard	40 ft	2014	Earth	Nebraska
Wakefield Pond 00-66-35md Juab	Significant Hazard	—	—	Earth	Utah
Wakefield Pond Dam Windham	Significant Hazard	12 ft	1900	Earth	Connecticut
Wakely Dam Hamilton	Significant Hazard	15 ft	1967	Concrete	New York
Wakeman Wwt Lagoon Huron	Significant Hazard	13 ft	1993	Earth	Ohio
Waldemar Derke Pond Dam Delaware	Significant Hazard	11 ft	1963	Earth	New York
Walden Lake Dam Portage	Significant Hazard	26 ft	1975	Earth	Ohio
Walden Pond Butler	Significant Hazard	18 ft	—	—	Pennsylvania
Walden Pond Dam Orange	Significant Hazard	15 ft	1966	Earth	New York
Walden'S Pond Dam Hanover	Significant Hazard	15 ft	—	Earth	Virginia
Waldo Lake Marion	Significant Hazard	13 ft	1960	Earth	Oregon
Walker Elmore	Significant Hazard	14 ft	1954	—	Idaho
Walker Williamson	Significant Hazard	—	1948	Earth	Tennessee
Walker (Bryan Creek) Yamhill	Significant Hazard	35 ft	1956	Earth	Oregon
Walker Catfish Pond #1 Marengo	Significant Hazard	19 ft	1978	Earth	Alabama
Walker Catfish Pond #3 Marengo	Significant Hazard	14 ft	1978	Earth	Alabama
Walker Coleman Dam King and Queen	Significant Hazard	22 ft	—	Earth	Virginia
Walker County Public Lake Dam Walker	Significant Hazard	—	1957	Earth	Alabama
Walker Creek Dam #2 Isabella	Significant Hazard	18 ft	1968	Earth	Michigan
Walker Dam Johnson	Significant Hazard	24 ft	1967	Earth	Kansas
Walker Dam Brown	Significant Hazard	28 ft	—	Earth	Indiana
Walker Dam Nacogdoches	Significant Hazard	10 ft	1982	Earth	Texas
Walker Lake Dam Newton	Significant Hazard	17 ft	1952	Earth	Texas
Walkers Lake Dam Clay	Significant Hazard	12 ft	—	Earth	Mississippi
Walkers Reservior Dam Tolland	Significant Hazard	10 ft	1900	Earth	Connecticut
Wallace Calaveras	Significant Hazard	29 ft	—	Earth	California
Wallace Boyd Pond Dam Laurens	Significant Hazard	19 ft	1968	—	South Carolina
Wallace Pond Dam Worcester	Significant Hazard	11 ft	—	Gravity	Massachusetts
Walla Walla Effluent Storage Lagoon Walla Walla	Significant Hazard	—	2008	Earth	Washington
Wall Creek Dam Lower Washoe	Significant Hazard	43 ft	—	Earth	Nevada
Wall Development Company Dam Uinta	Significant Hazard	27 ft	1949	Earth	Wyoming
Wallien Pond Middlesex	Significant Hazard	5 ft	—	Concrete	Connecticut
Wallisville Lock and Dam Chambers	Significant Hazard	16 ft	2000	Earth	Texas
Walloon Lake Cc Dam #14 Charlevoix	Significant Hazard	16 ft	1989	Earth	Michigan
Walls Tallapoosa	Significant Hazard	—	1933	Earth	Alabama
Wallum Lake Providence	Significant Hazard	7 ft	1866	Masonry	Rhode Island