Cox Lake
Key Takeaway
Cox Lake is classified as significant hazard in North Carolina. It was completed in 1918 and is 108 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 45.6% in NC) |
| Dam Length | 362 ft |
| Dam Type | Concrete |
| Max Storage | 487 acre-ft |
| Normal Storage | 432 acre-ft |
| Surface Area | 52 acres |
| Drainage Area | 253 sq mi |
| Max Discharge | 50,200 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | NC00445 |
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
Cox Lake Hydroelectric
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Cox Lake?
Cox Lake 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 Cox Lake?
Cox Lake is owned by Cox Lake Hydroelectric (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cox Lake built?
Cox Lake was completed in 1918, making it 108 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 Cox Lake?
Cox Lake 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 Cox Lake?
Cox Lake has a dam height of 26 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 Cox Lake last inspected?
Cox Lake was last inspected on November 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.