Johns Creek Dam #1
Key Takeaway
Johns Creek Dam #1 is classified as high hazard in Virginia. 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 | 62 ft (taller than 96% in VA) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 3.8K acre-ft |
| Normal Storage | 149 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 19 sq mi |
| NID ID | VA045002 |
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
Mountain Castles Soil and Water Conservation District
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Johns Creek Dam #1?
Johns Creek Dam #1 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 Johns Creek Dam #1?
Johns Creek Dam #1 is owned by Mountain Castles Soil and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Johns Creek Dam #1?
Johns Creek Dam #1 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 Johns Creek Dam #1?
Johns Creek Dam #1 has a dam height of 62 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 Johns Creek Dam #1 last inspected?
Johns Creek Dam #1 was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.