South Buttes
Key Takeaway
South Buttes is classified as low hazard in South Dakota. It was completed in 1920 and is 106 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 22 ft (taller than 45.6% in SD) |
| Dam Length | 327 ft |
| Dam Type | Earth |
| Max Storage | 198 acre-ft |
| Normal Storage | 162 acre-ft |
| Max Discharge | 1,200 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | SD01446 |
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
WESLEY HORTON
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of South Buttes?
South Buttes 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 South Buttes?
South Buttes is owned by WESLEY HORTON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Buttes built?
South Buttes was completed in 1920, making it 106 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 South Buttes?
South Buttes serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Buttes?
South Buttes has a dam height of 22 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.