Lake of The Woods 1 Dam
Key Takeaway
Lake of The Woods 1 Dam is classified as low hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is recreation.
Physical Details
| Dam Height | 21 ft (taller than 32.8% in IL) |
| Dam Length | 468 ft |
| Dam Type | Earth |
| Max Storage | 204 acre-ft |
| Normal Storage | 127 acre-ft |
| Year Completed | 1974 (52 years old) |
| NID ID | IL00962 |
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
WILLIS BRAND
Private
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Lake of The Woods 1 Dam?
Lake of The Woods 1 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 Lake of The Woods 1 Dam?
Lake of The Woods 1 Dam is owned by WILLIS BRAND (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake of The Woods 1 Dam built?
Lake of The Woods 1 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 Lake of The Woods 1 Dam?
Lake of The Woods 1 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 Lake of The Woods 1 Dam?
Lake of The Woods 1 Dam has a dam height of 21 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 Lake of The Woods 1 Dam last inspected?
Lake of The Woods 1 Dam was last inspected on May 15, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.