Mccann Lake Dam
Key Takeaway
Mccann Lake Dam is classified as low hazard in Illinois. Its primary use is recreation.
Physical Details
| Dam Height | 13 ft (taller than 12.5% in IL) |
| Dam Length | 470 ft |
| Dam Type | Earth |
| Max Storage | 217 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 896 cfs |
| NID ID | IL50581 |
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
BOY SCOUTS OF AMERICA
Private
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High Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Mccann Lake Dam?
Mccann 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 Mccann Lake Dam?
Mccann Lake Dam is owned by BOY SCOUTS OF AMERICA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Mccann Lake Dam?
Mccann 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 Mccann Lake Dam?
Mccann Lake Dam 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.
When was Mccann Lake Dam last inspected?
Mccann Lake Dam was last inspected on September 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.