Merlin Mader Dam 1
Key Takeaway
Merlin Mader Dam 1 is classified as low hazard in Nebraska. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 21 ft (taller than 32.5% in NE) |
| Dam Length | 595 ft |
| Dam Type | Earth |
| Max Storage | 151 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 286 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | NE01126 |
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
Philip & Shelley Sweetman Revocable Trusts
Private
Nearby Dams
Mader Dam 3
Sioux, NE
Low Hazard 18 ftMader Dam 2
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Low Hazard 20 ftWiedenfeld Dam 1
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Low Hazard 20 ftJordan Dam 2
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Low Hazard 33 ftHenry Dam 1
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Low Hazard 20 ftHenry Dam 2
Sioux, NE
Low Hazard 13 ftLower Jordan Dam
Sioux, NE
Low Hazard 13 ftSemroska Dam
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Merlin Mader Dam 1?
Merlin Mader Dam 1 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 Merlin Mader Dam 1?
Merlin Mader Dam 1 is owned by Philip & Shelley Sweetman Revocable Trusts (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Merlin Mader Dam 1 built?
Merlin Mader Dam 1 was completed in 1961, making it 65 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 Merlin Mader Dam 1?
Merlin Mader Dam 1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Merlin Mader Dam 1?
Merlin Mader Dam 1 has a dam height of 21 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.
When was Merlin Mader Dam 1 last inspected?
Merlin Mader Dam 1 was last inspected on August 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.