Williams Reservoir
Key Takeaway
Williams Reservoir is classified as high hazard in Ohio. It was completed in 2012 and is 14 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 53 ft (taller than 93.2% in OH) |
| Dam Length | 18,936 ft |
| Dam Type | Earth |
| Max Storage | 18.7K acre-ft |
| Normal Storage | 16.5K acre-ft |
| Surface Area | 427 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2012 (14 years old) |
| NID ID | OH03174 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Lima
Local Government
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High Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Williams Reservoir?
Williams Reservoir is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Williams Reservoir?
Williams Reservoir is owned by City of Lima (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williams Reservoir built?
Williams Reservoir was completed in 2012, making it 14 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 Reservoir?
Williams Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Williams Reservoir?
Williams Reservoir has a dam height of 53 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 Reservoir last inspected?
Williams Reservoir was last inspected on May 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.