Spooner Lake
Key Takeaway
Spooner Lake is classified as significant hazard in Wisconsin. It was completed in 1884 and is 142 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 24.3% in WI) |
| Dam Length | 200 ft |
| Dam Type | Gravity |
| Max Storage | 9.5K acre-ft |
| Normal Storage | 6.2K acre-ft |
| Surface Area | 1,092 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 598 cfs |
| Year Completed | 1884 (142 years old) |
| NID ID | WI00665 |
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
Washburn County
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Spooner Lake?
Spooner 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 Spooner Lake?
Spooner Lake is owned by Washburn County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spooner Lake built?
Spooner Lake was completed in 1884, making it 142 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 Spooner Lake?
Spooner 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 Spooner Lake?
Spooner Lake has a dam height of 11 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 Spooner Lake last inspected?
Spooner Lake was last inspected on November 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.