Harmon Creek No. 3 Dam
Key Takeaway
Harmon Creek No. 3 Dam is classified as high hazard in West Virginia. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction. 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 | 77 ft (taller than 78.6% in WV) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 201 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,700 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | WV00902 |
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
CITY OF WEIRTON
Local Government
Nearby Dams
Harmon Creek No. 4 Dam
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High Hazard 73 ftHarmon Creek No. 2 Dam
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High Hazard 71 ftHarmon Creek No. 14 Dam
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High Hazard 76 ftPa-486
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High Hazard 86 ftPa-485
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High Hazard 78 ftHarmon Creek #1
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High Hazard 83 ftHarmon Creek (Pa-484)
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High Hazard 67 ftFrequently Asked Questions
What is the hazard classification of Harmon Creek No. 3 Dam?
Harmon Creek No. 3 Dam 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 Harmon Creek No. 3 Dam?
Harmon Creek No. 3 Dam is owned by CITY OF WEIRTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harmon Creek No. 3 Dam built?
Harmon Creek No. 3 Dam was completed in 1970, making it 56 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 Harmon Creek No. 3 Dam?
Harmon Creek No. 3 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harmon Creek No. 3 Dam?
Harmon Creek No. 3 Dam has a dam height of 77 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 Harmon Creek No. 3 Dam last inspected?
Harmon Creek No. 3 Dam was last inspected on November 30, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.