Friendship
Key Takeaway
Friendship is classified as significant hazard in Wisconsin. It was completed in 1928 and is 98 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 64.9% in WI) |
| Dam Length | 400 ft |
| Dam Type | Gravity |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 681 acre-ft |
| Surface Area | 114 acres |
| Drainage Area | 60 sq mi |
| Max Discharge | 1,700 cfs |
| Year Completed | 1928 (98 years old) |
| NID ID | WI00061 |
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
Friendship Lake District
Local Government
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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Friendship?
Friendship 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 Friendship?
Friendship is owned by Friendship Lake District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Friendship built?
Friendship was completed in 1928, making it 98 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 Friendship?
Friendship serves the following purposes: Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Friendship?
Friendship has a dam height of 22 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 Friendship last inspected?
Friendship was last inspected on October 22, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.