Spencer Mountain
Key Takeaway
Spencer Mountain is classified as low hazard in North Carolina. It was completed in 1905 and is 121 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 12 ft (taller than 4.9% in NC) |
| Dam Length | 636 ft |
| Dam Type | Masonry |
| Max Storage | 166 acre-ft |
| Normal Storage | 166 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 622 sq mi |
| Year Completed | 1905 (121 years old) |
| NID ID | NC06531 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Spencer Mountain Hydropower, LLC
Private
Nearby Dams
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Low HazardSherrills Dam
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Low HazardWarren Dam
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High HazardEvans Lake Dam
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Significant HazardMcadenville Pond Dam
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Significant HazardFrequently Asked Questions
What is the hazard classification of Spencer Mountain?
Spencer Mountain is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Spencer Mountain?
Spencer Mountain is owned by Spencer Mountain Hydropower, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spencer Mountain built?
Spencer Mountain was completed in 1905, making it 121 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 Spencer Mountain?
Spencer Mountain 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 Spencer Mountain?
Spencer Mountain has a dam height of 12 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 Spencer Mountain last inspected?
Spencer Mountain was last inspected on April 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.