Underwood Pond Dam
Key Takeaway
Underwood Pond Dam is classified as low hazard in Illinois. It was completed in 1956 and is 70 years old. Its primary use is recreation.
Physical Details
| Dam Height | 34 ft (taller than 73.9% in IL) |
| Dam Length | 362 ft |
| Dam Type | Earth |
| Max Storage | 74 acre-ft |
| Normal Storage | 58 acre-ft |
| Year Completed | 1956 (70 years old) |
| NID ID | IL00316 |
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
UNDERWOOD
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Underwood Pond Dam?
Underwood Pond 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 Underwood Pond Dam?
Underwood Pond Dam is owned by UNDERWOOD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Underwood Pond Dam built?
Underwood Pond Dam was completed in 1956, making it 70 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 Underwood Pond Dam?
Underwood Pond 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 Underwood Pond Dam?
Underwood Pond Dam has a dam height of 34 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 Underwood Pond Dam last inspected?
Underwood Pond Dam was last inspected on August 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.