Big Ridge
Key Takeaway
Big Ridge is classified as significant hazard in Tennessee. It was completed in 1936 and is 90 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 198 ft |
| Dam Type | Gravity |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1936 (90 years old) |
| NID ID | TN17302 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TDEC
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Big Ridge?
Big Ridge is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Big Ridge?
Big Ridge is owned by TDEC (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Ridge built?
Big Ridge was completed in 1936, making it 90 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
When was Big Ridge last inspected?
Big Ridge was last inspected on January 7, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.