Lower Power
Key Takeaway
Lower Power is classified as low hazard in Wisconsin. It was completed in 1866 and is 160 years old. Its primary use is recreation.
Physical Details
| Dam Height | 22 ft (taller than 64.9% in WI) |
| Dam Length | 400 ft |
| Dam Type | Gravity |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Surface Area | 270 acres |
| Drainage Area | 175 sq mi |
| Max Discharge | 15,900 cfs |
| Year Completed | 1866 (160 years old) |
| NID ID | WI00187 |
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
City of Hudson
Local Government
Nearby Dams
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Significant Hazard 16 ftPowell Falls
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Lower Power?
Lower Power 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 Power?
Lower Power is owned by City of Hudson (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Power built?
Lower Power was completed in 1866, making it 160 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 Power?
Lower Power 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 Power?
Lower Power has a dam height of 22 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 Power last inspected?
Lower Power was last inspected on April 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.