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
Webster Lake Dam Worcester	Significant Hazard	15 ft	1957	Earth	Massachusetts
Webster Lake East Adams	Significant Hazard	14 ft	1888	Earth	Colorado
Webster Valve CO Dam Merrimack	Significant Hazard	15 ft	1901	Concrete	New Hampshire
Wedgwood Country Club Dam Gloucester	Significant Hazard	11 ft	—	Rockfill	New Jersey
Weeks Crossing Pond Dam Grafton	Significant Hazard	14 ft	—	Earth	New Hampshire
Weeks Lake Dam Edgecombe	Significant Hazard	—	1956	Earth	North Carolina
Wee Laddie Pond Dam Worcester	Significant Hazard	5 ft	1974	Earth	Massachusetts
Wee Ma Tuk Lake Dam Fulton	Significant Hazard	42 ft	1965	Earth	Illinois
Weeping Water Creek 15-B Cass	Significant Hazard	33 ft	1992	Earth	Nebraska
Weeping Water Creek 15-I Cass	Significant Hazard	27 ft	1995	Earth	Nebraska
Weeping Water Creek 17-D Cass	Significant Hazard	41 ft	1995	Earth	Nebraska
Weeping Water Creek 17-L Cass	Significant Hazard	35 ft	1995	Earth	Nebraska
Weeping Water Creek 19-C Cass	Significant Hazard	33 ft	1995	Earth	Nebraska
Weeping Water Creek 21-A Cass	Significant Hazard	27 ft	1997	Earth	Nebraska
Weeping Water Creek 2-A Cass	Significant Hazard	35 ft	1995	Earth	Nebraska
Weeping Water Creek 2-I Cass	Significant Hazard	26 ft	1996	Earth	Nebraska
Weeping Water Creek 4-F Cass	Significant Hazard	31 ft	1994	Earth	Nebraska
Weeping Water Creek 5-H Cass	Significant Hazard	28 ft	1994	Earth	Nebraska
Weeping Water Creek 5-K Cass	Significant Hazard	34 ft	1994	Earth	Nebraska
Weeping Water Creek 6-G Cass	Significant Hazard	33 ft	1997	Earth	Nebraska
Weeping Water Creek 7-C Cass	Significant Hazard	36 ft	1997	Earth	Nebraska
Wehrspann Sediment Dam Sarpy	Significant Hazard	31 ft	2000	Earth	Nebraska
Weidman Development Dam Isabella	Significant Hazard	14 ft	1968	Earth	Michigan
Weidman Mill Pond Dam Isabella	Significant Hazard	12 ft	1900	Earth	Michigan
Weiler Dam Pembina	Significant Hazard	39 ft	1957	Earth	North Dakota
Weimer Lake Dam Monroe	Significant Hazard	20 ft	1939	Earth	Indiana
Weiss Lake Dam Madison	Significant Hazard	20 ft	1974	Earth	Illinois
Weiss Pond Dam Litchfield	Significant Hazard	5 ft	—	Earth	Connecticut
Welch Pond Dam Windham	Significant Hazard	4 ft	—	Earth	Connecticut
Weldon Springs State Park Lake Dam De Witt	Significant Hazard	30 ft	1900	Earth	Illinois
Wellington City Debris Basin Carbon	Significant Hazard	—	2010	Earth	Utah
Wellington Reservoir No. 2 Dam Lorain	Significant Hazard	25 ft	1928	Earth	Ohio
Wells Dam No 2 Wood	Significant Hazard	16 ft	1967	Earth	Texas
Wells Lake Dam No 3 Wood	Significant Hazard	17 ft	—	Earth	Texas
Wells Lake Dam No 6 Wood	Significant Hazard	14 ft	—	Earth	Texas
Wells Lake Dam No 7 Wood	Significant Hazard	—	—	Earth	Texas
Wells Pond Dam Tolland	Significant Hazard	11 ft	1920	Earth	Connecticut
Wells Ranch Dam Howard	Significant Hazard	39 ft	1970	Earth	Nebraska
Wellsville Cache	Significant Hazard	—	1957	Earth	Utah
Welsh Eagle	Significant Hazard	36 ft	1915	Earth	Colorado
Welsh Pond Dam Worcester	Significant Hazard	12 ft	—	Earth	Massachusetts
Wendall Marsh Dam Sullivan	Significant Hazard	15 ft	—	Concrete	New Hampshire
Wendall Willkie Judith Basin	Significant Hazard	15 ft	1965	Earth	Montana
Wendy Road Pond Dam Fairfield	Significant Hazard	11 ft	—	Earth	Connecticut
Wepawaug Reservoir Dam New Haven	Significant Hazard	18 ft	1911	Earth	Connecticut
Wequaquet Lake Dam Barnstable	Significant Hazard	7 ft	—	Concrete	Massachusetts
Werner Lake Dam Columbiana	Significant Hazard	19 ft	1955	Earth	Ohio
Werner Ranch Site Converse	Significant Hazard	18 ft	1982	Earth	Wyoming
Werner Woods Pond Dam Hartford	Significant Hazard	24 ft	1963	Concrete	Connecticut
Weslake Dam St. Clair	Significant Hazard	48 ft	1962	Earth	Illinois