Henry (Scotland)
Key Takeaway
Henry (Scotland) is classified as significant hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 45 ft (taller than 97.9% in SD) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 11,000 cfs |
| Year Completed | 1938 (88 years old) |
| Year Modified | 2003 |
| NID ID | SD00004 |
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
GF&P
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Henry (Scotland)?
Henry (Scotland) 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 Henry (Scotland)?
Henry (Scotland) is owned by GF&P (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henry (Scotland) built?
Henry (Scotland) was completed in 1938, making it 88 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 Henry (Scotland)?
Henry (Scotland) serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Henry (Scotland)?
Henry (Scotland) has a dam height of 45 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 Henry (Scotland) last inspected?
Henry (Scotland) was last inspected on October 3, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.