Osage City Lake Dam
Key Takeaway
Osage City Lake Dam is classified as high hazard in Kansas. It was completed in 1940 and is 86 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 67.7% in KS) |
| Dam Length | 1,655 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 369 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 7,882 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | KS02519 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
OSAGE CITY, CITY OF
Local Government
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What is the hazard classification of Osage City Lake Dam?
Osage City Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Osage City Lake Dam?
Osage City Lake Dam is owned by OSAGE CITY, CITY OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Osage City Lake Dam built?
Osage City Lake Dam was completed in 1940, making it 86 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 Osage City Lake Dam?
Osage City Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Osage City Lake Dam?
Osage City Lake Dam has a dam height of 29 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 Osage City Lake Dam last inspected?
Osage City Lake Dam was last inspected on April 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.