Rapidan
Key Takeaway
Rapidan is classified as significant hazard in Minnesota. It was completed in 1910 and is 116 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 73 ft (taller than 98.7% in MN) |
| Dam Length | 414 ft |
| Dam Type | Buttress |
| Max Storage | 8.3K acre-ft |
| Normal Storage | 8.3K acre-ft |
| Surface Area | 415 acres |
| Drainage Area | 2,430 sq mi |
| Max Discharge | 51,700 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | MN00512 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Not Listed
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rapidan?
Rapidan is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rapidan?
Rapidan is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rapidan built?
Rapidan was completed in 1910, making it 116 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 Rapidan?
Rapidan 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 Rapidan?
Rapidan has a dam height of 73 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 Rapidan last inspected?
Rapidan was last inspected on September 15, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.