Cumberland Fossil Plant - Ash Pond (Complex)
Key Takeaway
Cumberland Fossil Plant - Ash Pond (Complex) is classified as significant hazard in Tennessee. It was completed in 1969 and is 57 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 49 ft (taller than 64% in TN) |
| Dam Length | 16,887 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 420 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 780 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | TN16109 |
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
TVA
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cumberland Fossil Plant - Ash Pond (Complex)?
Cumberland Fossil Plant - Ash Pond (Complex) 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 Cumberland Fossil Plant - Ash Pond (Complex)?
Cumberland Fossil Plant - Ash Pond (Complex) is owned by TVA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cumberland Fossil Plant - Ash Pond (Complex) built?
Cumberland Fossil Plant - Ash Pond (Complex) was completed in 1969, making it 57 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 Cumberland Fossil Plant - Ash Pond (Complex)?
Cumberland Fossil Plant - Ash Pond (Complex) serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cumberland Fossil Plant - Ash Pond (Complex)?
Cumberland Fossil Plant - Ash Pond (Complex) has a dam height of 49 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 Cumberland Fossil Plant - Ash Pond (Complex) last inspected?
Cumberland Fossil Plant - Ash Pond (Complex) was last inspected on December 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.