Madison Lake Dam
Key Takeaway
Madison Lake Dam is classified as low hazard in Illinois. It was completed in 1919 and is 107 years old. Its primary use is recreation.
Physical Details
| Dam Height | 19 ft (taller than 26.3% in IL) |
| Dam Length | 660 ft |
| Dam Type | Earth |
| Max Storage | 225 acre-ft |
| Normal Storage | 181 acre-ft |
| Year Completed | 1919 (107 years old) |
| NID ID | IL00052 |
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
MADISON COAL COMPANY
Private
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Madison Lake Dam?
Madison Lake 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 Madison Lake Dam?
Madison Lake Dam is owned by MADISON COAL COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Madison Lake Dam built?
Madison Lake Dam was completed in 1919, making it 107 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 Madison Lake Dam?
Madison Lake Dam 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 Madison Lake Dam?
Madison Lake Dam has a dam height of 19 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 Madison Lake Dam last inspected?
Madison Lake Dam was last inspected on December 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.