Don Mannlein Dam
Key Takeaway
Don Mannlein Dam is classified as low hazard in Nebraska. It was completed in 1983 and is 43 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 10 ft (taller than 1.4% in NE) |
| Dam Length | 510 ft |
| Dam Type | Earth |
| Max Storage | 92 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 38 sq mi |
| Max Discharge | 1,800 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | NE02137 |
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
Green Valley Ranch Inc
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Don Mannlein Dam?
Don Mannlein 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 Don Mannlein Dam?
Don Mannlein Dam is owned by Green Valley Ranch Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Don Mannlein Dam built?
Don Mannlein Dam was completed in 1983, making it 43 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 Don Mannlein Dam?
Don Mannlein Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Don Mannlein Dam?
Don Mannlein Dam has a dam height of 10 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 Don Mannlein Dam last inspected?
Don Mannlein Dam was last inspected on April 13, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.