Leigh Lake
Key Takeaway
Leigh Lake is classified as significant hazard in Wisconsin. It was completed in 1935 and is 91 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 63.7% in WI) |
| Dam Length | 130 ft |
| Dam Type | Gravity |
| Max Storage | 2.7K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 231 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 870 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | WI00049 |
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
Oconto County
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Leigh Lake?
Leigh 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 Leigh Lake?
Leigh Lake is owned by Oconto County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Leigh Lake built?
Leigh Lake was completed in 1935, making it 91 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 Leigh Lake?
Leigh 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 Leigh Lake?
Leigh Lake has a dam height of 21 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 Leigh Lake last inspected?
Leigh Lake was last inspected on March 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.