Ash Hollow Dry Dam
Key Takeaway
Ash Hollow Dry Dam is classified as high hazard in Nebraska. It was completed in 2017 and is 9 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 33 ft (taller than 76.9% in NE) |
| Dam Length | 2,384 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 6,660 cfs |
| Year Completed | 2017 (9 years old) |
| NID ID | NE08364 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Lower Platte South Natural Resources District
Local Government
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Low Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Ash Hollow Dry Dam?
Ash Hollow Dry Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Ash Hollow Dry Dam?
Ash Hollow Dry Dam is owned by Lower Platte South Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ash Hollow Dry Dam built?
Ash Hollow Dry Dam was completed in 2017, making it 9 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 Ash Hollow Dry Dam?
Ash Hollow Dry Dam 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 Ash Hollow Dry Dam?
Ash Hollow Dry Dam has a dam height of 33 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 Ash Hollow Dry Dam last inspected?
Ash Hollow Dry Dam was last inspected on September 15, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.