Abernathy Dam
Key Takeaway
Abernathy Dam is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 26 ft (taller than 65.2% in SD) |
| Dam Length | 308 ft |
| Dam Type | Earth |
| Max Storage | 18 acre-ft |
| Normal Storage | 12 acre-ft |
| Max Discharge | 625 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD00179 |
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
WM ABERNATHY
Private
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Significant Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Abernathy Dam?
Abernathy 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 Abernathy Dam?
Abernathy Dam is owned by WM ABERNATHY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Abernathy Dam built?
Abernathy Dam was completed in 1951, making it 75 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 Abernathy Dam?
Abernathy Dam 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 Abernathy Dam?
Abernathy Dam has a dam height of 26 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.