Weiss Lake Dam
Key Takeaway
Weiss Lake Dam is classified as significant hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 28.2% in IL) |
| Dam Length | 335 ft |
| Dam Type | Earth |
| Max Storage | 116 acre-ft |
| Normal Storage | 51 acre-ft |
| Year Completed | 1974 (52 years old) |
| NID ID | IL00969 |
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
CARL & JEANNE WEISS
Private
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What is the hazard classification of Weiss Lake Dam?
Weiss 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 Weiss Lake Dam?
Weiss Lake Dam is owned by CARL & JEANNE WEISS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Weiss Lake Dam built?
Weiss 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 Weiss Lake Dam?
Weiss 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 Weiss Lake Dam?
Weiss Lake Dam has a dam height of 20 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 Weiss Lake Dam last inspected?
Weiss Lake Dam was last inspected on August 28, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.