Upper Pelzer
Key Takeaway
Upper Pelzer is classified as high hazard in South Carolina. It was completed in 1881 and is 145 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 | 27 ft (taller than 70.9% in SC) |
| Dam Length | 400 ft |
| Dam Type | Gravity |
| Max Storage | 200 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 410 sq mi |
| Max Discharge | 11,500 cfs |
| Year Completed | 1881 (145 years old) |
| NID ID | SC83018 |
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
Consolidated Hydro Southeast, LLC
Private
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Upper Pelzer?
Upper Pelzer 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 Upper Pelzer?
Upper Pelzer is owned by Consolidated Hydro Southeast, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Pelzer built?
Upper Pelzer was completed in 1881, making it 145 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 Upper Pelzer?
Upper Pelzer 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 Upper Pelzer?
Upper Pelzer has a dam height of 27 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 Upper Pelzer last inspected?
Upper Pelzer was last inspected on April 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.