Lower Stonehorse Dam
Key Takeaway
Lower Stonehorse Dam is classified as high hazard in Virginia. It was completed in 1900 and is 126 years old. Its primary use is other. 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 | 41 ft (taller than 87.7% in VA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 929 acre-ft |
| Normal Storage | 425 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1900 (126 years old) |
| NID ID | VA075040 |
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
Four-L Corporation
Not Listed
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What is the hazard classification of Lower Stonehorse Dam?
Lower Stonehorse 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 Lower Stonehorse Dam?
Lower Stonehorse Dam is owned by Four-L Corporation (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Stonehorse Dam built?
Lower Stonehorse Dam was completed in 1900, making it 126 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 Lower Stonehorse Dam?
Lower Stonehorse Dam 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 Lower Stonehorse Dam?
Lower Stonehorse Dam has a dam height of 41 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 Lower Stonehorse Dam last inspected?
Lower Stonehorse Dam was last inspected on December 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.