Ervin Wolff
Key Takeaway
Ervin Wolff is classified as low hazard in South Dakota. It was completed in 1972 and is 54 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 19 ft (taller than 29.5% in SD) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 832 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | SD02111 |
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
ERVIN WOLFF
Private
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Ervin Wolff?
Ervin Wolff 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 Ervin Wolff?
Ervin Wolff is owned by ERVIN WOLFF (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ervin Wolff built?
Ervin Wolff was completed in 1972, making it 54 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 Ervin Wolff?
Ervin Wolff 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 Ervin Wolff?
Ervin Wolff has a dam height of 19 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.