Holzer Flowage
Key Takeaway
Holzer Flowage is classified as low hazard in Wisconsin. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 5.5% in WI) |
| Dam Length | 860 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 30 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | WI01023 |
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
Wisconsin Department of Natural Resources
State Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Holzer Flowage?
Holzer Flowage 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 Holzer Flowage?
Holzer Flowage is owned by Wisconsin Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holzer Flowage built?
Holzer Flowage was completed in 1962, making it 64 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 Holzer Flowage?
Holzer Flowage 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 Holzer Flowage?
Holzer Flowage 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 Holzer Flowage last inspected?
Holzer Flowage was last inspected on April 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.