High Hazard Dams
Loss of human life is likely if the dam fails.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wilson Country Club Dam Wilson | High Hazard | — | — | Other | North Carolina |
| Wilson County State Lake Wilson | High Hazard | 55 ft | 1955 | Earth | Kansas |
| Wilson Creek 2-N Otoe | High Hazard | 33 ft | 1964 | Earth | Nebraska |
| Wilson Creek 8-H Otoe | High Hazard | 34 ft | 1968 | Earth | Nebraska |
| Wilson Dam Russell | High Hazard | — | 1964 | Earth | Kansas |
| Wilson Dam Lauderdale | High Hazard | 113 ft | 1924 | Concrete | Alabama |
| Wilson,David R.,Dam Shelby | High Hazard | 30 ft | 1973 | Earth | Missouri |
| Wilson Debris Basin Los Angeles | High Hazard | 50 ft | 1961 | Earth | California |
| Wilson Godfrey Dam Iredell | High Hazard | — | — | Earth | North Carolina |
| Wilson Hollow Slurry Imp Monongalia | High Hazard | 197 ft | — | Earth | West Virginia |
| Wilson (Judith Basin) Judith Basin | High Hazard | 29 ft | 1952 | Earth | Montana |
| Wilson Lake Dam Platte | High Hazard | 25 ft | 1979 | Earth | Missouri |
| Wilson Lake Dam Vernon | High Hazard | 20 ft | 1975 | Earth | Missouri |
| Wilson Pond Russell | High Hazard | — | 1955 | Earth | Alabama |
| Wilson Pond Franklin | High Hazard | 24 ft | 1845 | Rockfill | Maine |
| Wilson Reservoir Providence | High Hazard | 21 ft | 1866 | Gravity | Rhode Island |
| Wilsonville Pike | High Hazard | 68 ft | 1926 | Concrete | Pennsylvania |
| Winchester Douglas | High Hazard | 17 ft | 1904 | Other | Oregon |
| Winchester Lewis | High Hazard | 40 ft | 1910 | — | Idaho |
| Winchester Dam Clark | High Hazard | 70 ft | 1985 | Roller-Compacted Concrete | Kentucky |
| Windcrest Dam Wake | High Hazard | — | — | Earth | North Carolina |
| Windemere Shelby | High Hazard | — | 1947 | Earth | Tennessee |
| Windermere Dam Panola | High Hazard | 42 ft | 2000 | Earth | Texas |
| Winder Reservoir Dam Barrow | High Hazard | 21 ft | 1950 | Earth | Georgia |
| Windmere Lake Dam Grenada | High Hazard | 15 ft | 1994 | Earth | Mississippi |
| Windmiller Dam #1 Boone | High Hazard | 30 ft | 1962 | Earth | Missouri |
| Windmiller Dam #2 Boone | High Hazard | 20 ft | 1962 | Earth | Missouri |
| Windmill Lake Dam Westchester | High Hazard | 26 ft | 1935 | Earth | New York |
| Windmill Plantation Lake Dam Columbia | High Hazard | 40 ft | 1985 | Earth | Georgia |
| Windmill Wash Detention Basin Dam Clark | High Hazard | 55 ft | 1999 | Earth | Nevada |
| Window Rock McKinley | High Hazard | — | 1936 | Concrete | Arizona |
| Windrow Dam Mecklenburg | High Hazard | — | — | Earth | North Carolina |
| Windsor Denver | High Hazard | 20 ft | 1892 | Earth | Colorado |
| Windsor Weld | High Hazard | 43 ft | 1978 | Earth | Colorado |
| Windsor #8 Larimer | High Hazard | 54 ft | 1903 | Earth | Colorado |
| Windsor Farrington Park Lake Dam Pettis | High Hazard | 26 ft | 1902 | Rockfill | Missouri |
| Windsor Forest Dam Jefferson | High Hazard | 29 ft | 1955 | Earth | Kentucky |
| Windsor Hill Dam Albemarle | High Hazard | 30 ft | — | Earth | Virginia |
| Windsor Lake Weld | High Hazard | 11 ft | 1904 | Earth | Colorado |
| Windsor Lake Dam Roanoke City | High Hazard | 33 ft | — | Earth | Virginia |
| Windsor Lake Dam Richland | High Hazard | 19 ft | 1965 | — | South Carolina |
| Windsor Lake Dam Berkshire | High Hazard | 27 ft | 1883 | Earth | Massachusetts |
| Windsor Reservoir Dam Berkshire | High Hazard | 51 ft | 1865 | Earth | Massachusetts |
| Windsor Upper Windsor | High Hazard | 55 ft | 1834 | Gravity | Vermont |
| Windsor Waterski Pond Thurston | High Hazard | — | 1992 | Earth | Washington |
| Windthorst Lake Dam Clay | High Hazard | 31 ft | 1964 | Earth | Texas |
| Windy Draw Sheridan | High Hazard | 59 ft | 1965 | Earth | Wyoming |
| Windy Knoll Dam Warren | High Hazard | 31 ft | 1969 | Earth | Missouri |
| Winegar Lake Dam Cole | High Hazard | 28 ft | 1978 | Earth | Missouri |
| Wine Lake Napa | High Hazard | 29 ft | 1953 | Earth | California |