Arenas Dam
Key Takeaway
Arenas Dam is classified as significant hazard in Illinois. It was completed in 1950 and is 76 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 | 300 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 0 acre-ft |
| Year Completed | 1950 (76 years old) |
| NID ID | IL50085 |
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
JOAN ARENAS
Private
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High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Arenas Dam?
Arenas 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 Arenas Dam?
Arenas Dam is owned by JOAN ARENAS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arenas Dam built?
Arenas Dam was completed in 1950, making it 76 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 Arenas Dam?
Arenas 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 Arenas Dam?
Arenas 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 Arenas Dam last inspected?
Arenas Dam was last inspected on June 6, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.