Thistle Dam
Key Takeaway
Thistle Dam is classified as low hazard in South Dakota.
Physical Details
| Dam Height | 15 ft (taller than 11.1% in SD) |
| Dam Length | 0 ft |
| Dam Type | Earth |
| Max Storage | 55 acre-ft |
| Surface Area | 11 acres |
| NID ID | SD02611 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DOI NPS
Federal Government
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Thistle Dam?
Thistle Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Thistle Dam?
Thistle Dam is owned by DOI NPS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
How tall is Thistle Dam?
Thistle Dam has a dam height of 15 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 Thistle Dam last inspected?
Thistle Dam was last inspected on July 20, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.