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
Walmart Store No 400 Expansion Pond Dam Montgomery	Significant Hazard	15 ft	1995	Concrete	Texas
Walnut Creek 1 Saline	Significant Hazard	25 ft	1979	Earth	Nebraska
Walnut Creek 2 Saline	Significant Hazard	29 ft	1979	Earth	Nebraska
Walnut Creek 4 Lancaster	Significant Hazard	26 ft	1982	Earth	Nebraska
Walnut Creek 5 Lancaster	Significant Hazard	26 ft	1980	Earth	Nebraska
Walnut Creek Dam Powhatan	Significant Hazard	42 ft	—	Earth	Virginia
Walnut Glen Lake Dam Phelps	Significant Hazard	37 ft	—	Earth	Missouri
Walnut Grove Redwood	Significant Hazard	54 ft	1979	Earth	Minnesota
Walnut Grove Lake Shelby	Significant Hazard	—	1963	Earth	Tennessee
Walnut Hill Pond Dam Fairfield	Significant Hazard	27 ft	1962	Earth	Connecticut
Walnut Hills Lake Dam Warren	Significant Hazard	24 ft	—	Earth	Ohio
Walnut Meadow Dam Madison	Significant Hazard	25 ft	1966	Earth	Kentucky
Walstom Pondera	Significant Hazard	10 ft	1920	Earth	Montana
Walter Hill Lake Rutherford	Significant Hazard	—	1918	Concrete	Tennessee
Walters, Glenn #1 - Large Washington	Significant Hazard	25 ft	1969	Earth	Oregon
Walters, Glenn #5 Washington	Significant Hazard	29 ft	1984	Earth	Oregon
Walter Smith Lake Dam Larue	Significant Hazard	20 ft	1973	Earth	Kentucky
Walton Lake Dam Crook	Significant Hazard	34 ft	1955	Earth	Oregon
Walton Lake Dam Orange	Significant Hazard	8 ft	1912	Earth	New York
Walton Lake Dam Jefferson	Significant Hazard	35 ft	1900	Earth	Iowa
Walton Pond Dam Hartford	Significant Hazard	8 ft	—	Earth	Connecticut
Wambold Waukesha	Significant Hazard	12 ft	1836	Gravity	Wisconsin
Wampatuck Pond Dam Plymouth	Significant Hazard	12 ft	1695	Earth	Massachusetts
Wampee Pond Dam Litchfield	Significant Hazard	12 ft	1940	Earth	Connecticut
Wampler-Werth Crook	Significant Hazard	20 ft	1983	Earth	Oregon
Wampus Lake Reservoir Dam Westchester	Significant Hazard	10 ft	1940	Earth	New York
Wanblee Lake Dam Jackson	Significant Hazard	17 ft	1935	Earth	South Dakota
Wanboro Lake Dam Edwards	Significant Hazard	28 ft	1977	Earth	Illinois
Wangum Lake Dam Litchfield	Significant Hazard	10 ft	1890	Earth	Connecticut
Wanken Toole	Significant Hazard	30 ft	1928	Earth	Montana
Wapelala Dam Cumberland	Significant Hazard	23 ft	—	Earth	Virginia
Wappapello Dam - Saddle Dike 1 Wayne	Significant Hazard	13 ft	1941	Earth	Missouri
Ward #5 Denver	Significant Hazard	10 ft	1889	Earth	Colorado
Ward Business Park Dam Polk	Significant Hazard	17 ft	2001	Earth	Iowa
Ward Dam Howard	Significant Hazard	15 ft	1960	Earth	Nebraska
Wardell Reservoir Morgan	Significant Hazard	—	1962	Earth	Utah
Ward Estate Dallas	Significant Hazard	—	—	Earth	Alabama
Ward Impoundment (Lower) Dam Kanawha	Significant Hazard	152 ft	—	Rockfill	West Virginia
Ward Lake Dam-Sec 13 Bates	Significant Hazard	20 ft	1972	Earth	Missouri
Ward Lake Dam-Sect. 7 Bates	Significant Hazard	19 ft	1971	Earth	Missouri
Ward Pond Dam Worcester	Significant Hazard	4 ft	—	Masonry	Massachusetts
Wards Mill Pond Dam New Haven	Significant Hazard	9 ft	1900	Masonry	Connecticut
Wards Pond Dam Hampden	Significant Hazard	20 ft	—	Earth	Massachusetts
Ware River Diversion Dam Worcester	Significant Hazard	38 ft	1910	Earth	Massachusetts
Ware Shoals Greenwood	Significant Hazard	24 ft	1905	Gravity	South Carolina
Warfield Range Dam (Hunters Way) Howard	Significant Hazard	20 ft	1980	Earth	Maryland
Warner Dam Chautauqua	Significant Hazard	12 ft	1979	Concrete	New York
Warner Lake McIntosh	Significant Hazard	46 ft	1942	Earth	Oklahoma
Warner Lake Dam Albany	Significant Hazard	10 ft	1964	Earth	New York
Warner (Matt) Uintah	Significant Hazard	—	1938	Earth	Utah