Gruwell Dam
Key Takeaway
Gruwell Dam is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 13 ft (taller than 5.4% in NE) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 66 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | NE03715 |
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
Roger Gruwell
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Gruwell Dam?
Gruwell 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 Gruwell Dam?
Gruwell Dam is owned by Roger Gruwell (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gruwell Dam built?
Gruwell Dam was completed in 1960, making it 66 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 Gruwell Dam?
Gruwell 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 Gruwell Dam?
Gruwell Dam has a dam height of 13 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 Gruwell Dam last inspected?
Gruwell Dam was last inspected on July 31, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.