Hancock Lake
Key Takeaway
Hancock Lake is classified as low hazard in Wisconsin. It was completed in 1930 and is 96 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 24.3% in WI) |
| Dam Length | 50 ft |
| Dam Type | Gravity |
| Max Storage | 2.6K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 259 acres |
| Drainage Area | 22 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | WI00684 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF WOODBORO
Local Government
Nearby Dams
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High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Hancock Lake?
Hancock Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hancock Lake?
Hancock Lake is owned by TOWN OF WOODBORO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hancock Lake built?
Hancock Lake was completed in 1930, making it 96 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 Hancock Lake?
Hancock 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 Hancock Lake?
Hancock 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 Hancock Lake last inspected?
Hancock Lake was last inspected on August 23, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.