Tri Creek Number One
Key Takeaway
Tri Creek Number One is classified as high hazard in Wisconsin. It was completed in 1976 and is 50 years old. 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 | 57 ft (taller than 98.4% in WI) |
| Dam Length | 1,265 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 18,225 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | WI00806 |
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
Monroe County
Local Government
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What is the hazard classification of Tri Creek Number One?
Tri Creek Number One 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 Tri Creek Number One?
Tri Creek Number One is owned by Monroe County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tri Creek Number One built?
Tri Creek Number One was completed in 1976, making it 50 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 Tri Creek Number One?
Tri Creek Number One serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tri Creek Number One?
Tri Creek Number One has a dam height of 57 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 Tri Creek Number One last inspected?
Tri Creek Number One was last inspected on May 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.