Izaak Walton Lake Dam
Key Takeaway
Izaak Walton Lake Dam is classified as low hazard in Illinois. It was completed in 1971 and is 55 years old. Its primary use is recreation.
Physical Details
| Dam Height | 33 ft (taller than 71.6% in IL) |
| Dam Length | 505 ft |
| Dam Type | Earth |
| Max Storage | 170 acre-ft |
| Normal Storage | 100 acre-ft |
| Year Completed | 1971 (55 years old) |
| NID ID | IL00350 |
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
IZAAK WALTON LEAGUE
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Izaak Walton Lake Dam?
Izaak Walton 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 Izaak Walton Lake Dam?
Izaak Walton Lake Dam is owned by IZAAK WALTON LEAGUE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Izaak Walton Lake Dam built?
Izaak Walton Lake Dam was completed in 1971, making it 55 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 Izaak Walton Lake Dam?
Izaak Walton 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 Izaak Walton Lake Dam?
Izaak Walton Lake Dam has a dam height of 33 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 Izaak Walton Lake Dam last inspected?
Izaak Walton Lake Dam was last inspected on August 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.