Manawa Dam
Key Takeaway
Manawa Dam is classified as low hazard in Wisconsin. It was completed in 1920 and is 106 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 15 ft (taller than 45% in WI) |
| Dam Length | 146 ft |
| Dam Type | Gravity |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 195 acres |
| Drainage Area | 311 sq mi |
| Max Discharge | 4,100 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | WI00225 |
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
Not Listed
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Manawa Dam?
Manawa Dam 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 Manawa Dam?
Manawa Dam is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Manawa Dam built?
Manawa Dam was completed in 1920, making it 106 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 Manawa Dam?
Manawa Dam 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 Manawa Dam?
Manawa Dam 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 Manawa Dam last inspected?
Manawa Dam was last inspected on August 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.