High Hazard Dams
Loss of human life is likely if the dam fails.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wolf Lake Dam Henderson | High Hazard | — | 1922 | Concrete | North Carolina |
| Wolf Lake Dam Jackson | High Hazard | — | — | Earth | North Carolina |
| Wolf Run Lake Dam Noble | High Hazard | 76 ft | 1966 | Earth | Ohio |
| Wolfspeed Storm Pond Dam #4 Chatham | High Hazard | — | — | Other | North Carolina |
| Wolf Weinhold Dam Henderson | High Hazard | — | 1983 | Earth | North Carolina |
| Woman Creek Jefferson | High Hazard | 50 ft | 1995 | Earth | Colorado |
| Wommer #1 La Plata | High Hazard | 35 ft | 1952 | Earth | Colorado |
| Wonder Lake Dam McHenry | High Hazard | 27 ft | 1929 | Earth | Illinois |
| Wonder Lake Sediment Dewatering Facility Dam McHenry | High Hazard | 22 ft | 2014 | Earth | Illinois |
| Woodbridge Lake Dam Columbia | High Hazard | 31 ft | 1972 | Earth | Georgia |
| Woodcliff Lake Dam Bergen | High Hazard | 38 ft | 1906 | Earth | New Jersey |
| Woodcock Creek Dam Crawford | High Hazard | — | 1973 | Earth | Pennsylvania |
| Woodcreek Dam Richland | High Hazard | 19 ft | 1955 | — | South Carolina |
| Wood Creek Flood Control Dam Site #9 Litchfield | High Hazard | 36 ft | 1971 | Earth | Connecticut |
| Wood Creek Lake Dam Laurel | High Hazard | 172 ft | 1969 | Rockfill | Kentucky |
| Woodcrest Riverside | High Hazard | 44 ft | 1954 | Earth | California |
| Woodfield Lake Estates Dam St. Clair | High Hazard | 15 ft | 2006 | Earth | Illinois |
| Woodfin Reservoir Dam Buncombe | High Hazard | — | — | Earth | North Carolina |
| Woodhall Dam Union | High Hazard | — | 2000 | Earth | North Carolina |
| Woodhaven Dickson | High Hazard | — | 1935 | Earth | Tennessee |
| Woodhaven Dam New Kent | High Hazard | 23 ft | — | Rockfill | Virginia |
| Wood Hollow Dam Travis | High Hazard | 33 ft | 1979 | Earth | Texas |
| Woodlake Dam Moore | High Hazard | — | 1973 | Earth | North Carolina |
| Woodlake Dam Richland | High Hazard | 23 ft | 1987 | — | South Carolina |
| Woodlake Dam Lincoln | High Hazard | 23 ft | 1977 | Earth | Missouri |
| Wood Lake Dam Guilford | High Hazard | — | 1930 | Concrete | North Carolina |
| Wood Lake Dam Jackson | High Hazard | 28 ft | 1949 | Earth | Missouri |
| Wood Lake Dam Hoke | High Hazard | — | 1981 | Earth | North Carolina |
| Woodlake Estates Dam Sangamon | High Hazard | 26 ft | — | Earth | Illinois |
| Woodland Washington | High Hazard | 46 ft | 1906 | Concrete | Maine |
| Woodland Navajo | High Hazard | 18 ft | 1914 | Earth | Arizona |
| Woodland Addition Lake Dam Hamilton | High Hazard | 22 ft | 1973 | Earth | Indiana |
| Woodland Hills Dam Buncombe | High Hazard | — | — | Earth | North Carolina |
| Woodland Lake Dam Livingston | High Hazard | 19 ft | 1928 | Earth | Michigan |
| Woodland Lake Dam Montgomery | High Hazard | 14 ft | 1961 | Earth | Texas |
| Woodland Park El Paso | High Hazard | 60 ft | 1963 | Earth | Colorado |
| Woodland Pond Chesterfield | High Hazard | 35 ft | — | Earth | Virginia |
| Woodland Reservoir Dam Onondaga | High Hazard | 36 ft | 1894 | Earth | New York |
| Woodlands Dam | High Hazard | — | — | — | West Virginia |
| Woodland West Lake Dam Tarrant | High Hazard | 13 ft | 1967 | Earth | Texas |
| Woodlawn Lake Dam Bexar | High Hazard | 20 ft | 1889 | Earth | Texas |
| Woodlawn Railroad Embankment On Basin Run Cecil | High Hazard | 40 ft | 1940 | Earth | Maryland |
| Woodman Dam Randolph | High Hazard | — | — | Earth | North Carolina |
| Woodmoor Lake El Paso | High Hazard | 58 ft | 1973 | Earth | Colorado |
| Woodpecker Lane Dam Polk | High Hazard | — | — | Earth | North Carolina |
| Woodrail Lake Dam Boone | High Hazard | 54 ft | 1968 | Earth | Missouri |
| Wood Ranch Ventura | High Hazard | 146 ft | 1965 | Earth | California |
| Woodrat Knob Jackson | High Hazard | 90 ft | 1960 | Earth | Oregon |
| Wood Reservoir Dam No 1 Chelan | High Hazard | — | 1991 | Earth | Washington |
| Wood Reservoir Dam No 2 Chelan | High Hazard | — | 1989 | Earth | Washington |