Junction Falls
Key Takeaway
Junction Falls is classified as significant hazard in Wisconsin. It was completed in 1920 and is 106 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 32 ft (taller than 84.9% in WI) |
| Dam Length | 144 ft |
| Dam Type | Gravity |
| Max Storage | 142 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 100 sq mi |
| Max Discharge | 11,160 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | WI00021 |
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
River Falls, City of
Local Government
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Junction Falls?
Junction Falls 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 Junction Falls?
Junction Falls is owned by River Falls, City of (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Junction Falls built?
Junction Falls was completed in 1920, making it 106 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 Junction Falls?
Junction Falls serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Junction Falls?
Junction Falls has a dam height of 32 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 Junction Falls last inspected?
Junction Falls was last inspected on June 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.