Marshall
Key Takeaway
Marshall is classified as significant hazard in Wisconsin. It was completed in 1870 and is 156 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 45% in WI) |
| Dam Length | 100 ft |
| Dam Type | Gravity |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 194 acres |
| Drainage Area | 70 sq mi |
| Max Discharge | 1,520 cfs |
| Year Completed | 1870 (156 years old) |
| NID ID | WI00117 |
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
Blaschka, Bill
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Marshall?
Marshall 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 Marshall?
Marshall is owned by Blaschka, Bill (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marshall built?
Marshall was completed in 1870, making it 156 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 Marshall?
Marshall serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Marshall?
Marshall has a dam height of 15 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 Marshall last inspected?
Marshall was last inspected on December 5, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.