Froghair Lake Dam
Key Takeaway
Froghair Lake Dam is classified as low hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is other.
Physical Details
| Dam Height | 27 ft (taller than 51.5% in IL) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 34 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 52 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | IL40099 |
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
JENE COPLAND;JENE COPLAND
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Froghair Lake Dam?
Froghair 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 Froghair Lake Dam?
Froghair Lake Dam is owned by JENE COPLAND;JENE COPLAND (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Froghair Lake Dam built?
Froghair Lake Dam was completed in 1974, making it 52 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 Froghair Lake Dam?
Froghair Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Froghair Lake Dam?
Froghair Lake Dam has a dam height of 27 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 Froghair Lake Dam last inspected?
Froghair Lake Dam was last inspected on October 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.