J. Mangin
Key Takeaway
J. Mangin is classified as low hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 24 ft (taller than 53.3% in SD) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 125 acre-ft |
| Normal Storage | 80 acre-ft |
| Max Discharge | 405 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | SD00941 |
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
Todd Mangin
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of J. Mangin?
J. Mangin 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 J. Mangin?
J. Mangin is owned by Todd Mangin (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was J. Mangin built?
J. Mangin was completed in 1956, making it 70 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 J. Mangin?
J. Mangin 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 J. Mangin?
J. Mangin has a dam height of 24 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.