9Total Dams
7High Hazard
2Significant
Dam Safety in Sullivan County, Tennessee
Sullivan County has 9 dams tracked in the National Inventory of Dams. Of these, 7 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Sullivan County is 59 years old. The most common purpose is flood risk reduction. The tallest dam is South Holston Dam at 285 ft.
Explore more: Oldest dams in Tennessee · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| South Holston Dam | High | Not assessed | 285 | Flood Risk Reduction | 1950 |
| B Bend Hollow Dam | High | Satisfactory | 131 | 1977 | |
| Fort Patrick Henry Dam | High | Not assessed | 95 | Flood Risk Reduction | 1953 |
| Steele Creek Dam | High | Satisfactory | 50 | 1963 | |
| Bays Mountain Dam | High | Fair | 35 | 1915 | |
| Jeansonne Dam | High | Not assessed | 30 | Recreation | 2013 |
| South Holston Left Channel Reregulation Weir | High | Not assessed | 12 | Other | 1991 |
| Underwood Park Dam | Significant | Not assessed | 25 | 1963 | |
| Middlebrook Dam | Significant | Satisfactory | 17 | 1971 |