Williams Lake Dam
Key Takeaway
Williams Lake Dam is classified as low hazard in Illinois. It was completed in 1968 and is 58 years old. Its primary use is recreation.
Physical Details
| Dam Height | 29 ft (taller than 58.2% in IL) |
| Dam Length | 420 ft |
| Dam Type | Earth |
| Max Storage | 311 acre-ft |
| Normal Storage | 221 acre-ft |
| Year Completed | 1968 (58 years old) |
| NID ID | IL00398 |
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
WILLIAMS FARM
Private
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High Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Williams Lake Dam?
Williams 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 Williams Lake Dam?
Williams Lake Dam is owned by WILLIAMS FARM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williams Lake Dam built?
Williams Lake Dam was completed in 1968, making it 58 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 Williams Lake Dam?
Williams 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 Williams Lake Dam?
Williams Lake Dam has a dam height of 29 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 Williams Lake Dam last inspected?
Williams Lake Dam was last inspected on July 15, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.