Namekagon
Key Takeaway
Namekagon is classified as high hazard in Wisconsin. It was completed in 1886 and is 140 years old. Its primary use is recreation. 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 | 9 ft (taller than 12% in WI) |
| Dam Length | 120 ft |
| Dam Type | Gravity |
| Max Storage | 19.7K acre-ft |
| Normal Storage | 13.0K acre-ft |
| Surface Area | 3,208 acres |
| Drainage Area | 48 sq mi |
| Max Discharge | 1,197 cfs |
| Year Completed | 1886 (140 years old) |
| NID ID | WI00623 |
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
Town Of Namakagon
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Namekagon?
Namekagon 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 Namekagon?
Namekagon is owned by Town Of Namakagon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Namekagon built?
Namekagon was completed in 1886, making it 140 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 Namekagon?
Namekagon 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 Namekagon?
Namekagon has a dam height of 9 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 Namekagon last inspected?
Namekagon was last inspected on September 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.