Alder Lake
Key Takeaway
Alder Lake is classified as low hazard in Wisconsin. It was completed in 1930 and is 96 years old. Its primary use is recreation.
Physical Details
| Dam Height | 13 ft (taller than 35.2% in WI) |
| Dam Length | 500 ft |
| Dam Type | Gravity |
| Max Storage | 75 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 1,040 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | WI01047 |
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
DOD USA (DEPT OF DEFENSE)
Federal Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Alder Lake?
Alder Lake 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 Alder Lake?
Alder Lake is owned by DOD USA (DEPT OF DEFENSE) (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alder Lake built?
Alder Lake was completed in 1930, making it 96 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 Alder Lake?
Alder Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Alder Lake?
Alder Lake has a dam height of 13 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.