Hecks Lake Dam
Key Takeaway
Hecks Lake Dam is classified as significant hazard in Illinois. It was completed in 1959 and is 67 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 24.2% in IL) |
| Dam Length | 375 ft |
| Dam Type | Earth |
| Max Storage | 234 acre-ft |
| Normal Storage | 146 acre-ft |
| Year Completed | 1959 (67 years old) |
| NID ID | IL00240 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
C. J. HECK
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Hecks Lake Dam?
Hecks Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hecks Lake Dam?
Hecks Lake Dam is owned by C. J. HECK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hecks Lake Dam built?
Hecks Lake Dam was completed in 1959, making it 67 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 Hecks Lake Dam?
Hecks 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 Hecks Lake Dam?
Hecks Lake Dam has a dam height of 18 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 Hecks Lake Dam last inspected?
Hecks Lake Dam was last inspected on July 18, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.