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
Winchester Placer	Significant Hazard	39 ft	1999	Earth	California
Winchester Club Pond Dam Litchfield	Significant Hazard	9 ft	1927	Earth	Connecticut
Winchester Dam Mecosta	Significant Hazard	13 ft	1954	Earth	Michigan
Winchester Lake Dam Litchfield	Significant Hazard	23 ft	—	Earth	Connecticut
Winchester Wwt Lagoon No. 2 Adams	Significant Hazard	25 ft	2004	Earth	Ohio
Winchester Wwt Lagoon No. 3 Adams	Significant Hazard	21 ft	2004	Earth	Ohio
Winder Franklin	Significant Hazard	57 ft	1958	—	Idaho
Windgate Swm Dam 3 (Burtons Cove Way) Anne Arundel	Significant Hazard	23 ft	1994	Earth	Maryland
Windham 4h Lower Pond Dam Windham	Significant Hazard	12 ft	1920	Earth	Connecticut
Windhurst Coos	Significant Hazard	43 ft	—	Earth	Oregon
Winding Brook Road Dam Rockingham	Significant Hazard	8 ft	1980	Earth	New Hampshire
Winding Creek Rearing Pond Marathon	Significant Hazard	27 ft	1970	Earth	Wisconsin
Wind Lake Dam Ouachita	Significant Hazard	45 ft	1985	Earth	Louisiana
Windle Pond Dam Worcester	Significant Hazard	10 ft	—	Earth	Massachusetts
Windsor Summit	Significant Hazard	—	—	—	Utah
Windsorville Pond Dam Hartford	Significant Hazard	17 ft	1880	Earth	Connecticut
Windstone Lake Hamilton	Significant Hazard	—	1989	Earth	Tennessee
Windward Dam Emmet	Significant Hazard	22 ft	1989	Earth	Michigan
Windy Gap Grand	Significant Hazard	25 ft	1985	Earth	Colorado
Windy Hill Farm Lake Boone	Significant Hazard	29 ft	1966	Earth	Indiana
Windy Hill Lake Dam Gasconade	Significant Hazard	36 ft	2001	Earth	Missouri
Winfield Locks and Dam Putnam	Significant Hazard	—	1937	Concrete	West Virginia
Winfield Water Supply Dam Putnam	Significant Hazard	34 ft	1973	Earth	West Virginia
Wingate Creek Isa Manatee	Significant Hazard	35 ft	1978	Earth	Florida
Wingfoot Lake Dam Portage	Significant Hazard	14 ft	1916	Other	Ohio
Winifred, North Fergus	Significant Hazard	24 ft	1936	Earth	Montana
Winkler Pond Dam Oakland	Significant Hazard	13 ft	1917	Earth	Michigan
Winnetuxet Road Pond Dam Plymouth	Significant Hazard	12 ft	—	Earth	Massachusetts
Winnewana Dam Washtenaw	Significant Hazard	12 ft	1956	Earth	Michigan
Winn Exploration Dam No 1 Maverick	Significant Hazard	24 ft	1960	Earth	Texas
Winnibigoshish Dam Cass	Significant Hazard	23 ft	1884	Earth	Minnesota
Winnies Reef Dam Saratoga	Significant Hazard	16 ft	1979	Concrete	New York
Winona Lake Dam Jackson	Significant Hazard	—	—	Earth	North Carolina
Winrock Farms Lake Dam Conway	Significant Hazard	24 ft	1973	Earth	Arkansas
Winslow Dam Fauquier	Significant Hazard	36 ft	—	Earth	Virginia
Winters Branch Dam Manassas	Significant Hazard	27 ft	—	Earth	Virginia
Winter Valley Estates Dam Liberty	Significant Hazard	26 ft	1970	Earth	Texas
Winton Country Club Dam Amherst	Significant Hazard	31 ft	—	Earth	Virginia
Winton Woods Golf Course Lake "E" Dam Hamilton	Significant Hazard	50 ft	1994	Earth	Ohio
Winton Woods Sediment Retention Pond Hamilton	Significant Hazard	55 ft	1995	Earth	Ohio
Wire Company Dam #2 New Haven	Significant Hazard	12 ft	1900	Concrete	Connecticut
Wiscoy Dam Allegany	Significant Hazard	33 ft	1921	Concrete	New York
Wisdom Lake Dam Decatur	Significant Hazard	22 ft	—	Earth	Indiana
Wise Lake Dam Van Zandt	Significant Hazard	24 ft	1993	Earth	Texas
Wishon Auxiliary No. 1 Fresno	Significant Hazard	26 ft	1958	Concrete	California
Wiswall Dam Strafford	Significant Hazard	22 ft	1911	Concrete	New Hampshire
Witches Wood Lake Dam Windham	Significant Hazard	20 ft	1963	Earth	Connecticut
Witch Hazel Mill Pond Dam New Haven	Significant Hazard	10 ft	—	Concrete	Connecticut
W I Walker Dam Cullman	Significant Hazard	—	1959	Earth	Alabama
W J Ellis Escambia	Significant Hazard	—	1964	Earth	Alabama