Middle Eau Claire Lake
Key Takeaway
Middle Eau Claire Lake is classified as significant hazard in Wisconsin. It was completed in 1939 and is 87 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 48.8% in WI) |
| Dam Length | 100 ft |
| Dam Type | Gravity |
| Max Storage | 6.0K acre-ft |
| Normal Storage | 4.0K acre-ft |
| Surface Area | 902 acres |
| Drainage Area | 57 sq mi |
| Max Discharge | 275 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | WI00523 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Bayfield County
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Middle Eau Claire Lake?
Middle Eau Claire Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Middle Eau Claire Lake?
Middle Eau Claire Lake is owned by Bayfield County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Middle Eau Claire Lake built?
Middle Eau Claire Lake was completed in 1939, making it 87 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 Middle Eau Claire Lake?
Middle Eau Claire Lake 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 Middle Eau Claire Lake?
Middle Eau Claire Lake has a dam height of 16 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 Middle Eau Claire Lake last inspected?
Middle Eau Claire Lake was last inspected on April 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.