Hafner Dam
Key Takeaway
Hafner Dam is classified as low hazard in South Dakota. It was completed in 1937 and is 89 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 12 ft (taller than 3% in SD) |
| Dam Length | 255 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 100 acre-ft |
| Max Discharge | 1,400 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | SD02169 |
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
KENNY FARREL
Private
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Significant Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Hafner Dam?
Hafner 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 Hafner Dam?
Hafner Dam is owned by KENNY FARREL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hafner Dam built?
Hafner Dam was completed in 1937, making it 89 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 Hafner Dam?
Hafner 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 Hafner Dam?
Hafner Dam has a dam height of 12 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.