Block Dam
Key Takeaway
Block Dam is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is recreation.
Physical Details
| Dam Height | 23 ft (taller than 39.7% in NE) |
| Dam Length | 834 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 276 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | NE01273 |
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
Mark A & Margo Block
Private
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Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Block Dam?
Block 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 Block Dam?
Block Dam is owned by Mark A & Margo Block (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Block Dam built?
Block 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 Block Dam?
Block Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Block Dam?
Block Dam has a dam height of 23 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 Block Dam last inspected?
Block Dam was last inspected on April 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.