Third Marinette
Key Takeaway
Third Marinette is classified as high hazard in Wisconsin. It was completed in 1862 and is 164 years old. Its primary use is hydroelectric. 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 | 28 ft (taller than 77.3% in WI) |
| Dam Length | 800 ft |
| Dam Type | Gravity |
| Max Storage | 7.0K acre-ft |
| Normal Storage | 3.8K acre-ft |
| Surface Area | 586 acres |
| Drainage Area | 4,060 sq mi |
| Max Discharge | 44,000 cfs |
| Year Completed | 1862 (164 years old) |
| NID ID | WI00073 |
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
Eagle Creek Renewable Energy
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Third Marinette?
Third Marinette 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 Third Marinette?
Third Marinette is owned by Eagle Creek Renewable Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Third Marinette built?
Third Marinette was completed in 1862, making it 164 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 Third Marinette?
Third Marinette serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Third Marinette?
Third Marinette has a dam height of 28 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.