Jefferson Marsh Wrp - South
Key Takeaway
Jefferson Marsh Wrp - South is classified as low hazard in Wisconsin. It was completed in 2004 and is 22 years old. Its primary use is other.
Physical Details
| Dam Height | 9 ft (taller than 12% in WI) |
| Dam Length | 14,880 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 691 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 604 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | WI20049 |
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 17 ftFrequently Asked Questions
What is the hazard classification of Jefferson Marsh Wrp - South?
Jefferson Marsh Wrp - South 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 Jefferson Marsh Wrp - South?
Jefferson Marsh Wrp - South 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 Jefferson Marsh Wrp - South built?
Jefferson Marsh Wrp - South was completed in 2004, making it 22 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 Jefferson Marsh Wrp - South?
Jefferson Marsh Wrp - South serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jefferson Marsh Wrp - South?
Jefferson Marsh Wrp - South has a dam height of 9 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 Jefferson Marsh Wrp - South last inspected?
Jefferson Marsh Wrp - South was last inspected on August 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.