Graf Dam
Key Takeaway
Graf Dam is classified as low hazard in Nebraska. It was completed in 1950 and is 76 years old. Its primary use is other.
Physical Details
| Dam Height | 11 ft (taller than 2.1% in NE) |
| Dam Length | 260 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1950 (76 years old) |
| NID ID | NE09026 |
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
Jay W & Susan Graf
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Graf Dam?
Graf 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 Graf Dam?
Graf Dam is owned by Jay W & Susan Graf (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Graf Dam built?
Graf Dam was completed in 1950, making it 76 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 Graf Dam?
Graf Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Graf Dam?
Graf Dam has a dam height of 11 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 Graf Dam last inspected?
Graf Dam was last inspected on October 29, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.