Williamsville Lake Dam 1
Key Takeaway
Williamsville Lake Dam 1 is classified as low hazard in Illinois. It was completed in 1971 and is 55 years old. Its primary use is other.
Physical Details
| Dam Height | 23 ft (taller than 37.7% in IL) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 108 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 165 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | IL40141 |
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
CITY OF WILLIAMSVILLE;CITY OF WILLIAMSVILLE
Local Government
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Williamsville Lake Dam 1?
Williamsville Lake Dam 1 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 Williamsville Lake Dam 1?
Williamsville Lake Dam 1 is owned by CITY OF WILLIAMSVILLE;CITY OF WILLIAMSVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williamsville Lake Dam 1 built?
Williamsville Lake Dam 1 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 Williamsville Lake Dam 1?
Williamsville Lake Dam 1 serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Williamsville Lake Dam 1?
Williamsville Lake Dam 1 has a dam height of 23 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 Williamsville Lake Dam 1 last inspected?
Williamsville Lake Dam 1 was last inspected on August 27, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.