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
Wildwood Lake Dam Jennings	Significant Hazard	26 ft	—	—	Indiana
Wildwood Lake Estates Dam St. Clair	Significant Hazard	35 ft	1982	Earth	Illinois
Wiles Dam Mercer	Significant Hazard	27 ft	1989	Earth	Missouri
Wilford Sherbert Dam Spartanburg	Significant Hazard	31 ft	1959	—	South Carolina
Wilkerson Dam No. 3 Brown	Significant Hazard	34 ft	1983	Earth	Indiana
Wilkes Dam Henderson	Significant Hazard	—	—	Earth	North Carolina
Wilkie Intake Reservoir Dam Warren	Significant Hazard	34 ft	1914	Concrete	New York
Wilkins Lake Dam Pulaski	Significant Hazard	30 ft	1952	Earth	Arkansas
Willaim Latham Dam Pickens	Significant Hazard	—	1979	Earth	Alabama
Willard Creek Debris Basin Box Elder	Significant Hazard	—	—	Earth	Utah
Willard Woody Dam Swain	Significant Hazard	—	—	Earth	North Carolina
Will Cone Pond Dam Middlesex	Significant Hazard	6 ft	—	Masonry	Connecticut
Willetts Pond Dam Onondaga	Significant Hazard	24 ft	1974	Earth	New York
William Bacon Oliver Lock and Dam Tuscaloosa	Significant Hazard	—	1992	Gravity	Alabama
William Dale Dam Hale	Significant Hazard	—	1970	Earth	Alabama
William Day Detention Dam Lincoln	Significant Hazard	22 ft	1978	Earth	Kansas
William Lang Dam Pickens	Significant Hazard	13 ft	1975	Earth	Alabama
William Latham #1 Pickens	Significant Hazard	19 ft	1980	Earth	Alabama
William O Nannen Pond Dam Cattaraugus	Significant Hazard	15 ft	1964	Earth	New York
Williams Erie	Significant Hazard	10 ft	—	Earth	Pennsylvania
Williams Adams	Significant Hazard	39 ft	1981	Earth	Pennsylvania
Williams Twin Falls	Significant Hazard	53 ft	1952	—	Idaho
Williams Dam Henderson	Significant Hazard	10 ft	1984	Earth	Texas
Williams Dam Childress	Significant Hazard	25 ft	1950	Earth	Texas
Williams Lake Hinds	Significant Hazard	15 ft	1920	Earth	Mississippi
Williams Lake Dam Monroe	Significant Hazard	—	1967	Earth	Alabama
Williams Lake Dam Upper Sampson	Significant Hazard	—	1945	Earth	North Carolina
Williamson No. 1 El Dorado	Significant Hazard	42 ft	1926	Earth	California
Williams Pond Dam Kalamazoo	Significant Hazard	16 ft	1880	Earth	Michigan
Williams Pond Dam Chemung	Significant Hazard	16 ft	1996	Earth	New York
Williams Pond Dam New London	Significant Hazard	26 ft	1865	Earth	Connecticut
Williamstown Lake Dam Grant	Significant Hazard	62 ft	1957	Earth	Kentucky
Williamstown Reservoir Dam Grant	Significant Hazard	40 ft	1947	Earth	Kentucky
William Trunk Lake Dam Jefferson	Significant Hazard	29 ft	1990	—	Missouri
Willies Lake Dam Bastrop	Significant Hazard	32 ft	1973	Earth	Texas
Willie Wilbourne Dam Perry	Significant Hazard	—	1953	Earth	Alabama
Willie Woods Dam No.1 Hale	Significant Hazard	—	1977	Earth	Alabama
Willie Woods Dam No.2 Hale	Significant Hazard	—	1973	Earth	Alabama
Willie Woods Dam No.3 Hale	Significant Hazard	—	1973	Earth	Alabama
Willis Lake Marengo	Significant Hazard	24 ft	1978	Earth	Alabama
Willis Lake Dam Burke	Significant Hazard	—	1955	Earth	North Carolina
Willis Millpond Dam Barnwell	Significant Hazard	9 ft	1855	—	South Carolina
Willis Mt. Tailings Pond Buckingham	Significant Hazard	35 ft	—	Earth	Virginia
Willis River Dam #1b Buckingham	Significant Hazard	43 ft	1975	Earth	Virginia
Willis River Dam #7 Buckingham	Significant Hazard	38 ft	1969	Earth	Virginia
Willoughby Dam Cheyenne	Significant Hazard	27 ft	1963	Earth	Nebraska
Willoughby Woods Shelby	Significant Hazard	—	1990	Earth	Tennessee
Willowbrook Lake Dam Stone	Significant Hazard	38 ft	2004	—	Missouri
Willow Creek Sevier	Significant Hazard	—	1943	Earth	Utah
Willow Creek Dam Spartanburg	Significant Hazard	19 ft	1970	—	South Carolina