Siloam Springs Lake Dam
Key Takeaway
Siloam Springs Lake Dam is classified as low hazard in Illinois. It was completed in 1955 and is 71 years old. Its primary use is recreation.
Physical Details
| Dam Height | 55 ft (taller than 93.6% in IL) |
| Dam Length | 283 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 793 acre-ft |
| Year Completed | 1955 (71 years old) |
| NID ID | IL00475 |
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
ILLINOIS DEPARTMENT OF NATURAL RESOURCES
State Government
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Siloam Springs Lake Dam?
Siloam Springs 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 Siloam Springs Lake Dam?
Siloam Springs Lake Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Siloam Springs Lake Dam built?
Siloam Springs Lake Dam was completed in 1955, making it 71 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 Siloam Springs Lake Dam?
Siloam Springs 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 Siloam Springs Lake Dam?
Siloam Springs Lake Dam has a dam height of 55 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 Siloam Springs Lake Dam last inspected?
Siloam Springs Lake Dam was last inspected on July 27, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.