Superior Lake Dam
Key Takeaway
Superior Lake Dam is classified as low hazard in Illinois. It was completed in 1953 and is 73 years old. Its primary use is water supply.
Physical Details
| Dam Height | 23 ft (taller than 37.7% in IL) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 729 acre-ft |
| Normal Storage | 294 acre-ft |
| Year Completed | 1953 (73 years old) |
| NID ID | IL00172 |
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
OAK SHORES ASSOCIATION
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Superior Lake Dam?
Superior 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 Superior Lake Dam?
Superior Lake Dam is owned by OAK SHORES ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Superior Lake Dam built?
Superior Lake Dam was completed in 1953, making it 73 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 Superior Lake Dam?
Superior Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Superior Lake Dam?
Superior Lake Dam has a dam height of 23 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 Superior Lake Dam last inspected?
Superior Lake Dam was last inspected on July 12, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.