Ravenna Northwest Dam
Key Takeaway
Ravenna Northwest Dam is classified as high hazard in Nebraska. It was completed in 1998 and is 28 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 | 22 ft (taller than 35.8% in NE) |
| Dam Length | 585 ft |
| Dam Type | Earth |
| Max Storage | 295 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,490 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | NE02492 |
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
City of Ravenna
Local Government
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Ravenna Northwest Dam?
Ravenna Northwest 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 Ravenna Northwest Dam?
Ravenna Northwest Dam is owned by City of Ravenna (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ravenna Northwest Dam built?
Ravenna Northwest Dam was completed in 1998, making it 28 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 Ravenna Northwest Dam?
Ravenna Northwest 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 Ravenna Northwest Dam?
Ravenna Northwest Dam has a dam height of 22 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 Ravenna Northwest Dam last inspected?
Ravenna Northwest Dam was last inspected on May 9, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.