Nekoosa
Key Takeaway
Nekoosa is classified as low hazard in Wisconsin. It was completed in 1889 and is 137 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 32 ft (taller than 84.9% in WI) |
| Dam Length | 1,075 ft |
| Dam Type | Gravity |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 400 acres |
| Drainage Area | 5,525 sq mi |
| Max Discharge | 39,960 cfs |
| Year Completed | 1889 (137 years old) |
| NID ID | WI00818 |
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
Domtar Wisconsin Dam Corp
Private
Nearby Dams
Port Edwards
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Low Hazard 34 ftWisconsin Rapids
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Low Hazard 34 ftSherwood
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Significant Hazard 36 ftSouth Wood County Park
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Nekoosa?
Nekoosa 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 Nekoosa?
Nekoosa is owned by Domtar Wisconsin Dam Corp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nekoosa built?
Nekoosa was completed in 1889, making it 137 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 Nekoosa?
Nekoosa serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nekoosa?
Nekoosa 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 Nekoosa last inspected?
Nekoosa was last inspected on September 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.