Lermeny Dam
Key Takeaway
Lermeny Dam is classified as low hazard in South Dakota. It was completed in 1903 and is 123 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 57.4% in SD) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 320 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 25 acres |
| Max Discharge | 1,350 cfs |
| Year Completed | 1903 (123 years old) |
| NID ID | SD02341 |
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
GEORGE LERMENY
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Lermeny Dam?
Lermeny 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 Lermeny Dam?
Lermeny Dam is owned by GEORGE LERMENY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lermeny Dam built?
Lermeny Dam was completed in 1903, making it 123 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 Lermeny Dam?
Lermeny Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lermeny Dam?
Lermeny Dam has a dam height of 25 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.