Red Dale Gulch
Key Takeaway
Red Dale Gulch is classified as high hazard in South Dakota. It was completed in 1959 and is 67 years old. 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 | 42 ft (taller than 97.3% in SD) |
| Dam Length | 1,320 ft |
| Dam Type | Earth |
| Max Storage | 155 acre-ft |
| Normal Storage | 110 acre-ft |
| Max Discharge | 17,500 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | SD01098 |
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
Common Council of the City of Rapid City, South Dakota
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Red Dale Gulch?
Red Dale Gulch 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 Red Dale Gulch?
Red Dale Gulch is owned by Common Council of the City of Rapid City, South Dakota (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Red Dale Gulch built?
Red Dale Gulch was completed in 1959, making it 67 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Red Dale Gulch?
Red Dale Gulch has a dam height of 42 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.