Cass Dam
Key Takeaway
Cass Dam is classified as low hazard in Nebraska. It was completed in 1975 and is 51 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 18 ft (taller than 20.6% in NE) |
| Dam Length | 345 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1975 (51 years old) |
| NID ID | NE03496 |
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
Don Edward Cass Test Trust
Private
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Cass Dam?
Cass 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 Cass Dam?
Cass Dam is owned by Don Edward Cass Test Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cass Dam built?
Cass Dam was completed in 1975, making it 51 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 Cass Dam?
Cass 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 Cass Dam?
Cass Dam has a dam height of 18 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 Cass Dam last inspected?
Cass Dam was last inspected on June 23, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.