High Hazard Dams
Loss of human life is likely if the dam fails.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wigwam Lake Monroe | High Hazard | 16 ft | 1928 | Earth | Pennsylvania |
| Wilbanks Cumberland | High Hazard | — | 1960 | Earth | Tennessee |
| Wilber Dam 1 Saline | High Hazard | 22 ft | 1975 | Earth | Nebraska |
| Wilber Lake Dam Otsego | High Hazard | 50 ft | 1935 | Earth | New York |
| Wilber Watershed Dam Saline | High Hazard | 28 ft | 2013 | Earth | Nebraska |
| Wilbur Dam Carter | High Hazard | 47 ft | 1912 | Concrete | Tennessee |
| Wilbur Pond Providence | High Hazard | 7 ft | 1854 | Gravity | Rhode Island |
| Wilcox Canyon #1 Dam Washoe | High Hazard | 25 ft | — | Earth | Nevada |
| Wilcox Dam Wayne | High Hazard | 27 ft | 1933 | Gravity | Michigan |
| Wild Acres Lake Pike | High Hazard | 9 ft | 1928 | Earth | Pennsylvania |
| Wild Acres Lake Jefferson | High Hazard | — | 1940 | Earth | Alabama |
| Wildbriar Lake Dam Dallas | High Hazard | 18 ft | — | Earth | Texas |
| Wildcat Pitkin | High Hazard | 75 ft | 1953 | Earth | Colorado |
| Wildcat Dam Burnet | High Hazard | 30 ft | 1951 | Earth | Texas |
| Wildcat Lake Dam Avery | High Hazard | — | 1920 | Concrete | North Carolina |
| Wildcraft Lower Lake Dam Brown | High Hazard | 31 ft | 1947 | Earth | Indiana |
| Wild Creek Carbon | High Hazard | 135 ft | 1941 | Earth | Pennsylvania |
| Wilder Grafton | High Hazard | 59 ft | 1950 | Concrete | New Hampshire |
| Wilder Lake Dam Blount | High Hazard | — | — | Earth | Alabama |
| Wilderness Dam Spotsylvania | High Hazard | 28 ft | — | Earth | Virginia |
| Wilderness Water Park Dam Harrison | High Hazard | 15 ft | — | Earth | West Virginia |
| Wildewood Pond Dam 2 Richland | High Hazard | 22 ft | 1963 | — | South Carolina |
| Wildewood Pond Dam 3 Richland | High Hazard | 26 ft | 1963 | — | South Carolina |
| Wildewood Pond Dam 4 Richland | High Hazard | 15 ft | — | — | South Carolina |
| Wildewood Pond Dam 5 Richland | High Hazard | 15 ft | 1963 | — | South Carolina |
| Wildhorse Weld | High Hazard | 20 ft | 1920 | Earth | Colorado |
| Wild Horse Elko | High Hazard | 101 ft | 1969 | Concrete | Nevada |
| Wildhorse 14-A Morrill | High Hazard | 45 ft | 1968 | Earth | Nebraska |
| Wildhorse 5-A Morrill | High Hazard | 42 ft | 1965 | Earth | Nebraska |
| Wildhorse Creek Parkway Dam St. Louis | High Hazard | 41 ft | 1989 | Earth | Missouri |
| Wildhorse Creek Parkway Dam #2 St. Louis | High Hazard | 34 ft | — | — | Missouri |
| Wild Indian Acres Lake Dam Jefferson | High Hazard | 44 ft | — | — | Missouri |
| Wild Indian Lake Dam Polk | High Hazard | 17 ft | 1963 | Earth | Texas |
| Wildlake Dam Bexar | High Hazard | 40 ft | — | Earth | Texas |
| Wild Plum Lake Dam Sharp | High Hazard | 25 ft | 1961 | Earth | Arkansas |
| Wildwood Conservancy District Dam Morgan | High Hazard | 30 ft | 1964 | Earth | Indiana |
| Wildwood Dam Jackson | High Hazard | 30 ft | 1927 | Earth | Missouri |
| Wildwood Lake Wayne | High Hazard | 18 ft | 1956 | Earth | Pennsylvania |
| Wildwood Lake Dam Jefferson | High Hazard | 44 ft | 1972 | Earth | Missouri |
| Wildwood Lake Dam Oakland | High Hazard | 22 ft | 1961 | Earth | Michigan |
| Wildwood Lake Dam Marshall | High Hazard | 84 ft | 1969 | Earth | Illinois |
| Wildwood Lake Dam Morris | High Hazard | 13 ft | — | Earth | New Jersey |
| Wildwood Lake Dam Cheboygan | High Hazard | 23 ft | 1962 | Earth | Michigan |
| Wildwood Mountain Dam Macon | High Hazard | — | — | Earth | North Carolina |
| Wildwood Shores Lake Dam Morgan | High Hazard | 23 ft | 1974 | Earth | Indiana |
| Wiles Pond Dam Calhoun | High Hazard | 25 ft | — | — | South Carolina |
| Wiley Miller Dam Perry | High Hazard | 68 ft | 1972 | Earth | Kentucky |
| Wilhite Dam Pike | High Hazard | 30 ft | 1975 | Rockfill | Missouri |
| Wilkie Reservoir Dam Warren | High Hazard | 34 ft | 1914 | Earth | New York |
| Wilkins Dam Moore | High Hazard | — | — | Earth | North Carolina |