Heyen Lake Dam
Key Takeaway
Heyen Lake Dam is classified as low hazard in Illinois. It was completed in 1966 and is 60 years old. Its primary use is recreation.
Physical Details
| Dam Height | 32 ft (taller than 69.5% in IL) |
| Dam Length | 385 ft |
| Dam Type | Earth |
| Max Storage | 134 acre-ft |
| Normal Storage | 87 acre-ft |
| Year Completed | 1966 (60 years old) |
| NID ID | IL00697 |
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
WAYNE HEYDEN
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Heyen Lake Dam?
Heyen 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 Heyen Lake Dam?
Heyen Lake Dam is owned by WAYNE HEYDEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heyen Lake Dam built?
Heyen Lake Dam was completed in 1966, making it 60 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 Heyen Lake Dam?
Heyen 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 Heyen Lake Dam?
Heyen Lake Dam has a dam height of 32 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 Heyen Lake Dam last inspected?
Heyen Lake Dam was last inspected on July 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.