High Hazard Dams
Loss of human life is likely if the dam fails.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Vandalia Municipal Reservoir Dam Fayette | High Hazard | 50 ft | 1965 | Earth | Illinois |
| Vandegrift Pond Dam Blount | High Hazard | — | — | Earth | Alabama |
| Vandrovec Lake Dam Nacogdoches | High Hazard | 15 ft | — | Earth | Texas |
| Van Lake Dam Smith | High Hazard | 36 ft | 1949 | Earth | Texas |
| Van Meter Dam Saline | High Hazard | 60 ft | 1963 | Earth | Missouri |
| Van Raden Multnomah | High Hazard | 27 ft | 1975 | Earth | Oregon |
| Van Rooy Lake Dam Morgan | High Hazard | 36 ft | 1963 | Earth | Indiana |
| Van Stone Pit Lake Dam Stevens | High Hazard | — | 1999 | Earth | Washington |
| Van Wert Upground Reservoir No. 1 Van Wert | High Hazard | 22 ft | 1949 | Earth | Ohio |
| Van Wert Upground Reservoir No. 3 Van Wert | High Hazard | 26 ft | 2007 | Earth | Ohio |
| Vanwinkle Lake Dam Fulton | High Hazard | 20 ft | 1900 | Earth | Illinois |
| Vaquero Crossing Dam Parker | High Hazard | 9 ft | — | — | Texas |
| Varcoe (Pa-415) Wayne | High Hazard | 20 ft | 1960 | Earth | Pennsylvania |
| Varkony Pond Dam Harrison | High Hazard | 49 ft | — | Earth | Ohio |
| Vasona Percolating Santa Clara | High Hazard | 34 ft | 1935 | Earth | California |
| Vatterot Dam Warren | High Hazard | 30 ft | 1960 | Earth | Missouri |
| Vatterott Dam Jefferson | High Hazard | 40 ft | 1962 | Earth | Missouri |
| Vaucluse Pond Dam Aiken | High Hazard | 42 ft | 1877 | — | South Carolina |
| Vaughn Dam Callaway | High Hazard | 18 ft | 1972 | Earth | Missouri |
| Vaughn Lake Dam Kaufman | High Hazard | 18 ft | 1965 | Earth | Texas |
| Veeh Orange | High Hazard | 37 ft | 1936 | Earth | California |
| Vega Mesa | High Hazard | 130 ft | 1959 | Earth | Colorado |
| Velasko Road Detention Basin Dam Onondaga | High Hazard | 13 ft | 1980 | Earth | New York |
| Vera Lake Dam Pike | High Hazard | 25 ft | 1937 | Earth | Missouri |
| Veramendi Regional Detention Pond Dam Comal | High Hazard | 35 ft | 2021 | Earth | Texas |
| Verde Lane Dam Cheyenne | High Hazard | 28 ft | 1972 | Earth | Nebraska |
| Verdi Meadows Wastewater Disposal Dam Washoe | High Hazard | 43 ft | 1973 | Earth | Nevada |
| Vermilion Valley Fresno | High Hazard | 165 ft | 1954 | Earth | California |
| Verney Mill Hydro Dam Hillsborough | High Hazard | 25 ft | 1916 | Concrete | New Hampshire |
| Vernon Lake Dam Vernon | High Hazard | 56 ft | 1961 | Earth | Louisiana |
| Vernon Pond Dam Columbia | High Hazard | 29 ft | — | Earth | Georgia |
| Verona Lake Dam Essex | High Hazard | 13 ft | 1903 | Masonry | New Jersey |
| Versailles Lake Dam Ripley | High Hazard | 57 ft | 1956 | Earth | Indiana |
| Vestavia Lake Jefferson | High Hazard | — | 1950 | Earth | Alabama |
| Vesuvius Dam Lawrence | High Hazard | 41 ft | — | Earth | Ohio |
| Veterans Home Napa | High Hazard | 47 ft | 1908 | Earth | California |
| Veterans Memorial Dam Orange | High Hazard | 66 ft | — | Earth | Virginia |
| Veterans Memorial Reservoir Hancock | High Hazard | 32 ft | 1992 | Earth | Ohio |
| Veto Lake Dam Washington | High Hazard | 38 ft | 1954 | Earth | Ohio |
| Vfw Lake Dam Bibb | High Hazard | 31 ft | 1957 | Earth | Georgia |
| Vial Lake Dam Collin | High Hazard | 23 ft | 1965 | Earth | Texas |
| Viburnum City Lake Dam Iron | High Hazard | 47 ft | 1959 | Earth | Missouri |
| Viburnum Tailings Dam #5 Iron | High Hazard | 30 ft | 1977 | Other | Missouri |
| Vickers Carroll | High Hazard | — | 1948 | Earth | Tennessee |
| Vickery Lake Dam Wood | High Hazard | 11 ft | 1930 | Earth | Texas |
| Victor Braunig Dam Bexar | High Hazard | 76 ft | 1963 | Earth | Texas |
| Victoria Ontonagon | High Hazard | 115 ft | 1930 | Concrete | Michigan |
| Victoria Station Community Lake Calvert | High Hazard | 27 ft | 1986 | Earth | Maryland |
| Victory Dam #1 Union | High Hazard | — | — | Earth | North Carolina |
| View High Lake Dam Jackson | High Hazard | 37 ft | 1968 | Earth | Missouri |