International Speedway
Key Takeaway
International Speedway is classified as high hazard in Kansas. Its primary use is flood risk reduction. 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 | 35 ft (taller than 85.9% in KS) |
| Dam Length | 373 ft |
| Dam Type | Earth |
| Max Storage | 280 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,157 cfs |
| NID ID | KS09013 |
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
KANSAS DEPT OF TRANSPORTATION
State Government
Nearby Dams
International Speedway
Wyandotte, KS
High Hazard 35 ftDam KS02683
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Low Hazard 27 ftDam KS04500
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Low Hazard 26 ftDam KS07632
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Unknown 22 ftDam KS02688
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Low Hazard 27 ftWallace Dam
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High Hazard 31 ftDam KS02993
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Low Hazard 26 ftWilcox Dam
Wyandotte, KS
Significant Hazard 51 ftFrequently Asked Questions
What is the hazard classification of International Speedway?
International Speedway 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 International Speedway?
International Speedway is owned by KANSAS DEPT OF TRANSPORTATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of International Speedway?
International Speedway 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 International Speedway?
International Speedway has a dam height of 35 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 International Speedway last inspected?
International Speedway was last inspected on April 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.