E. Hoffman No. 6
Key Takeaway
E. Hoffman No. 6 is classified as low hazard in South Dakota. It was completed in 1954 and is 72 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 18 ft (taller than 24.1% in SD) |
| Dam Length | 680 ft |
| Dam Type | Earth |
| Max Storage | 90 acre-ft |
| Normal Storage | 36 acre-ft |
| Max Discharge | 4,000 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | SD00300 |
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
E. HOFFMAN
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of E. Hoffman No. 6?
E. Hoffman No. 6 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 E. Hoffman No. 6?
E. Hoffman No. 6 is owned by E. HOFFMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was E. Hoffman No. 6 built?
E. Hoffman No. 6 was completed in 1954, making it 72 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 E. Hoffman No. 6?
E. Hoffman No. 6 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 E. Hoffman No. 6?
E. Hoffman No. 6 has a dam height of 18 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.