Grevson Dam
Key Takeaway
Grevson Dam is classified as low hazard in Nebraska. It was completed in 1971 and is 55 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 66.9% in NE) |
| Dam Length | 515 ft |
| Dam Type | Earth |
| Max Storage | 429 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,165 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | NE00381 |
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
Bill Blank Agency Inc
Private
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Grevson Dam?
Grevson 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 Grevson Dam?
Grevson Dam is owned by Bill Blank Agency Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grevson Dam built?
Grevson Dam was completed in 1971, making it 55 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 Grevson Dam?
Grevson Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grevson Dam?
Grevson Dam has a dam height of 30 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 Grevson Dam last inspected?
Grevson Dam was last inspected on November 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.