Middle Trappe River Flowage
Key Takeaway
Middle Trappe River Flowage is classified as low hazard in Wisconsin. It was completed in 1969 and is 57 years old. Its primary use is other.
Physical Details
| Dam Height | 10 ft (taller than 17.3% in WI) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 260 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 469 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | WI00426 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Middle Trappe River Flowage?
Middle Trappe River 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 Middle Trappe River Flowage?
Middle Trappe River 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 Middle Trappe River Flowage built?
Middle Trappe River Flowage was completed in 1969, making it 57 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 Middle Trappe River Flowage?
Middle Trappe River Flowage 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 Middle Trappe River Flowage?
Middle Trappe River Flowage has a dam height of 10 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 Middle Trappe River Flowage last inspected?
Middle Trappe River Flowage was last inspected on October 30, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.