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
Warner Pond Dam Fairfield	Significant Hazard	10 ft	—	Earth	Connecticut
Warners Pond Dam Middlesex	Significant Hazard	9 ft	—	Earth	Massachusetts
Warren Diversion Marshall	Significant Hazard	26 ft	2003	Buttress	Minnesota
Warren Diversion Valley	Significant Hazard	19 ft	1924	—	Idaho
Warren Lake Dam Marion	Significant Hazard	25 ft	1944	Earth	Indiana
Warren Lake Dam Harris	Significant Hazard	19 ft	1961	Earth	Texas
Warren Levis Dam Madison	Significant Hazard	33 ft	1947	Earth	Illinois
Warren Reservoir Upper Bristol	Significant Hazard	14 ft	1961	Earth	Rhode Island
Warren Storage Marshall	Significant Hazard	26 ft	2002	Earth	Minnesota
Warren Twp Road Winona	Significant Hazard	21 ft	1975	Earth	Minnesota
Warren Upper Reservoir Dam Bristol	Significant Hazard	19 ft	1911	Rockfill	Massachusetts
Warwick Meadows Dam Orange	Significant Hazard	25 ft	—	Earth	New York
Wasatch Energy Management - East Pond Duchesne	Significant Hazard	—	—	Earth	Utah
Wasatch Energy Management - West Pond Duchesne	Significant Hazard	—	—	Earth	Utah
Washburn Lake Chester	Significant Hazard	18 ft	1955	Earth	Pennsylvania
Washington County Public Lake Washington	Significant Hazard	—	1969	Earth	Alabama
Washington Court House Ug No. 2 Dam Fayette	Significant Hazard	19 ft	2001	Earth	Ohio
Washington Forge Pond Dam Morris	Significant Hazard	10 ft	1890	Earth	New Jersey
Washington Lake Dam Orange	Significant Hazard	30 ft	1909	Earth	New York
Washington Lake South Dam Bergen	Significant Hazard	10 ft	1980	Earth	New Jersey
Washington Lake West Dam Bergen	Significant Hazard	10 ft	1980	Earth	New Jersey
Washington Park Dam Hartford	Significant Hazard	3 ft	—	—	Connecticut
Washington State Fishing Lake Washington	Significant Hazard	49 ft	1957	Earth	Kansas
Washington Street Dam Middlesex	Significant Hazard	16 ft	1956	Masonry	Massachusetts
Wasilewski Pond Dam Tolland	Significant Hazard	8 ft	—	Earth	Connecticut
Waste Pond San Diego	Significant Hazard	20 ft	—	Earth	California
Wastewater Treatment Chester	Significant Hazard	45 ft	1985	Earth	Pennsylvania
Wataba Lake Dam Fairfield	Significant Hazard	10 ft	1900	Earth	Connecticut
Watanabe Upper Lake Dam Brown	Significant Hazard	42 ft	2003	Earth	Indiana
Watchung Square Dam Somerset	Significant Hazard	10 ft	—	Earth	New Jersey
Waterfall Way Detention Basin Washington	Significant Hazard	27 ft	—	Earth	Pennsylvania
Waterford Racine	Significant Hazard	10 ft	1977	Earth	Wisconsin
Waterford Multi-Lakes Level Control Oakland	Significant Hazard	12 ft	1973	Earth	Michigan
Waterhouse Pond Dam Middlesex	Significant Hazard	4 ft	1902	Earth	Connecticut
Waterloo Coal Double-Cell Slurry Dam Jackson	Significant Hazard	34 ft	1981	Earth	Ohio
Waterloo Dam Monroe	Significant Hazard	12 ft	1977	Gravity	Michigan
Waterloo New Reservoir Dam Monroe	Significant Hazard	42 ft	1961	Earth	Illinois
Waterloo Reservoir 1 Dam Monroe	Significant Hazard	31 ft	1924	Earth	Illinois
Waterloo Reservoir 2 Dam Monroe	Significant Hazard	19 ft	1950	Earth	Illinois
Waterloo Sportsman Club Lake 1 Dam Monroe	Significant Hazard	29 ft	1948	Earth	Illinois
Waterman Dam 9775 Keith	Significant Hazard	18 ft	1960	Earth	Nebraska
Water Mill Lake Dam Miller	Significant Hazard	29 ft	2007	Earth	Missouri
Watersedge Pond Dam New London	Significant Hazard	13 ft	1966	Earth	Connecticut
Waters Lake Dam Burke	Significant Hazard	—	1968	Earth	North Carolina
Waters Millpond Dam Lenoir	Significant Hazard	—	1855	Earth	North Carolina
Waterstone Park Dam Jefferson	Significant Hazard	32 ft	2005	Earth	Kentucky
Water Supply Lake Linn	Significant Hazard	32 ft	—	Earth	Kansas
Watertown Dam Middlesex	Significant Hazard	10 ft	—	Earth	Massachusetts
Watertown Municipal Power Dam Jefferson	Significant Hazard	12 ft	1913	Concrete	New York
Water Valley Fish & Recreation Carbon	Significant Hazard	15 ft	1966	Earth	Wyoming