Nygaard Leaky
Key Takeaway
Nygaard Leaky is classified as low hazard in South Dakota. It was completed in 1955 and is 71 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 14 ft (taller than 7.8% in SD) |
| Dam Length | 485 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 735 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | SD00607 |
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
LEONARD NYGAARD
Private
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What is the hazard classification of Nygaard Leaky?
Nygaard Leaky 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 Nygaard Leaky?
Nygaard Leaky is owned by LEONARD NYGAARD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nygaard Leaky built?
Nygaard Leaky was completed in 1955, making it 71 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 Nygaard Leaky?
Nygaard Leaky 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 Nygaard Leaky?
Nygaard Leaky has a dam height of 14 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.