Dams in Union County, Tennessee
2Total Dams
0High Hazard
2Significant
Dam Safety in Union County, Tennessee
Union County has 2 dams tracked in the National Inventory of Dams. Another 2 carry a significant hazard classification.
The average dam in Union County is 71 years old. The tallest dam is Big Ridge Dam at 50 ft.
Explore more: Oldest dams in Tennessee · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Big Ridge Dam | Significant | Satisfactory | 50 | 1936 | |
| Thunder Hollow Dam | Significant | 46 | 1974 |