Lower Lake Nemahbin
Key Takeaway
Lower Lake Nemahbin is classified as low hazard in Wisconsin. It was completed in 1934 and is 92 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 5.5% in WI) |
| Dam Length | 200 ft |
| Dam Type | Gravity |
| Max Storage | 1.9K acre-ft |
| Normal Storage | 270 acre-ft |
| Surface Area | 268 acres |
| Drainage Area | 54 sq mi |
| Max Discharge | 1,050 cfs |
| Year Completed | 1934 (92 years old) |
| NID ID | WI01120 |
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
Village Of Summit
Local Government
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lower Lake Nemahbin?
Lower Lake Nemahbin 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 Lower Lake Nemahbin?
Lower Lake Nemahbin is owned by Village Of Summit (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Lake Nemahbin built?
Lower Lake Nemahbin was completed in 1934, making it 92 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 Lower Lake Nemahbin?
Lower Lake Nemahbin 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 Lower Lake Nemahbin?
Lower Lake Nemahbin has a dam height of 8 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 Lower Lake Nemahbin last inspected?
Lower Lake Nemahbin was last inspected on August 5, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.