Upper Appleton Locks and Dam
Key Takeaway
Upper Appleton Locks and Dam is classified as significant hazard in Wisconsin. It was completed in 1940 and is 86 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 691 ft |
| Dam Type | Concrete |
| Max Storage | 14.3K acre-ft |
| Normal Storage | 7.4K acre-ft |
| Surface Area | 582 acres |
| Drainage Area | 6,070 sq mi |
| Max Discharge | 27,000 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | WI00851 |
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
USACE - Chicago District;Wisconsin DNR
Federal Government
Nearby Dams
Middle Appleton
Outagamie, WI
Low Hazard 11 ftLower Appleton Locks and Dam
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Significant HazardKensington Pond
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High Hazard 14 ftMenasha Lock and Dam
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High HazardNeenah
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High Hazard 15 ftCedars Lock and Dam
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High HazardLittle Chute Locks and Dam
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Significant HazardApple Creek Dam #2
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Upper Appleton Locks and Dam?
Upper Appleton Locks and Dam 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 Upper Appleton Locks and Dam?
Upper Appleton Locks and Dam is owned by USACE - Chicago District;Wisconsin DNR (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Appleton Locks and Dam built?
Upper Appleton Locks and Dam was completed in 1940, making it 86 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 Upper Appleton Locks and Dam?
Upper Appleton Locks and Dam serves the following purposes: Flood Risk Reduction, Navigation, Recreation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Appleton Locks and Dam last inspected?
Upper Appleton Locks and Dam was last inspected on August 27, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.