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
Whites Pond Dam Hartford	Significant Hazard	20 ft	1926	Earth	Connecticut
Whitetail C Franklin	Significant Hazard	23 ft	—	Earth	Pennsylvania
Whitetail Lake Dam Pike	Significant Hazard	27 ft	1964	Earth	Indiana
White Trout Water Conservation Structure Hillsborough	Significant Hazard	17 ft	—	Earth	Florida
Whiteville Lake Hardeman	Significant Hazard	—	1943	Earth	Tennessee
Whitewater Reservoir St. Louis	Significant Hazard	35 ft	1954	Earth	Minnesota
Whitewater Reservoir Saddle Dam St. Louis	Significant Hazard	31 ft	1954	Earth	Minnesota
Whitewater Springs Dam Burnet	Significant Hazard	39 ft	1999	Earth	Texas
Whitewater St. Park Lake Dam Union	Significant Hazard	70 ft	1949	—	Indiana
Whiteway Farms Lake Dam Scott	Significant Hazard	13 ft	1960	Earth	Mississippi
Whitford Ridge Detention Basin Chester	Significant Hazard	13 ft	1992	Earth	Pennsylvania
Whiting Hollow Dam Schoharie	Significant Hazard	24 ft	1971	Earth	New York
Whitin Pond Dam Worcester	Significant Hazard	16 ft	1900	Rockfill	Massachusetts
Whitman Dam Nelson	Significant Hazard	49 ft	1965	Earth	North Dakota
Whitmans Pond Dam & Dike Windham	Significant Hazard	8 ft	1900	Earth	Connecticut
Whitmore Pond Dam Franklin	Significant Hazard	13 ft	1967	Masonry	Massachusetts
Whitney Lake Wayne	Significant Hazard	12 ft	1934	Earth	Pennsylvania
Whitney Pond Dam Worcester	Significant Hazard	18 ft	—	Concrete	Massachusetts
Whoopie Cat Hardin	Significant Hazard	38 ft	1977	Earth	Illinois
W H Williams Jr Dam Walker	Significant Hazard	—	1959	Earth	Alabama
Wickaboxet Marsh Dam New London	Significant Hazard	8 ft	1962	Earth	Connecticut
Widows Creek Fossil Plant - Active Ash Disposal Area Perimeter Dike Jackson	Significant Hazard	46 ft	1959	Earth	Alabama
Wiedower Dam Faulkner	Significant Hazard	32 ft	2000	Earth	Arkansas
Wiemeyer Lake Dam Clermont	Significant Hazard	52 ft	1986	Earth	Ohio
Wiggins Dam Escambia	Significant Hazard	14 ft	1966	Earth	Florida
Wiggins Lake Dam Hale	Significant Hazard	—	1970	Earth	Alabama
Wiggins Millpond Dam Wilson	Significant Hazard	—	—	Concrete	North Carolina
Wigwam Reservoir Dam Litchfield	Significant Hazard	75 ft	1893	Concrete	Connecticut
Wilberg #1 (Northern) Emery	Significant Hazard	—	—	Earth	Utah
Wilberg #2 (Middle, Old Dam) Emery	Significant Hazard	—	—	Earth	Utah
Wilberg #3 (South, New Dam) Emery	Significant Hazard	—	—	Earth	Utah
Wilbur D. Mills Lock and Dam Arkansas	Significant Hazard	31 ft	1967	Concrete	Arkansas
Wilcox Canyon #3 Dam Washoe	Significant Hazard	15 ft	—	Earth	Nevada
Wilcox Dam Wyandotte	Significant Hazard	51 ft	1973	Earth	Kansas
Wilcox Pond Dam Fairfield	Significant Hazard	20 ft	—	Masonry	Connecticut
Wildcraft Upper Lake Dam Brown	Significant Hazard	20 ft	1947	Earth	Indiana
Wilde Lake Dam Howard	Significant Hazard	28 ft	1967	Earth	Maryland
Wilder Hickman	Significant Hazard	—	1972	Earth	Tennessee
Wilder Fayette	Significant Hazard	—	1960	Earth	Tennessee
Wilderness Camp Lake Dam Ray	Significant Hazard	33 ft	1971	Earth	Missouri
Wildhorse Creek Forest Dam St. Louis	Significant Hazard	60 ft	1989	Earth	Missouri
Wildhorse Farms #1 Dam Warren	Significant Hazard	34 ft	1998	Earth	Missouri
Wilding, David P. Wasatch	Significant Hazard	—	—	Earth	Utah
Wild Lands INC Pond #1 Dam Steuben	Significant Hazard	17 ft	1967	Earth	New York
Wildlife Lake Dam Washington	Significant Hazard	30 ft	1941	Earth	Illinois
Wildlife Marsh #2 Dam Windham	Significant Hazard	9 ft	1974	Earth	Connecticut
Wild Rose Waushara	Significant Hazard	19 ft	1873	Gravity	Wisconsin
Wildwood #2 Bradley	Significant Hazard	—	1930	Earth	Tennessee
Wildwood Lake Monongalia	Significant Hazard	29 ft	1965	Earth	West Virginia
Wildwood Lake Dam Jennings	Significant Hazard	26 ft	—	—	Indiana