East Fork (Tannasee Creek)
Key Takeaway
East Fork (Tannasee Creek) is classified as high hazard in North Carolina. It was completed in 1955 and is 71 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 140 ft (taller than 84.5% in NC) |
| Dam Length | 385 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 70,200 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | NC00335 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Duke Energy
Public Utility
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High HazardFrequently Asked Questions
What is the hazard classification of East Fork (Tannasee Creek)?
East Fork (Tannasee Creek) is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates East Fork (Tannasee Creek)?
East Fork (Tannasee Creek) is owned by Duke Energy (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Fork (Tannasee Creek) built?
East Fork (Tannasee Creek) was completed in 1955, making it 71 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of East Fork (Tannasee Creek)?
East Fork (Tannasee Creek) serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Fork (Tannasee Creek)?
East Fork (Tannasee Creek) has a dam height of 140 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was East Fork (Tannasee Creek) last inspected?
East Fork (Tannasee Creek) was last inspected on May 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.