Westerville Reservoir Dam
Key Takeaway
Westerville Reservoir Dam is classified as high hazard in Ohio. It was completed in 1960 and is 66 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 | 47 ft (taller than 89.7% in OH) |
| Dam Length | 820 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 685 acre-ft |
| Surface Area | 52 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 10,690 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OH00748 |
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 Westerville
Local Government
Nearby Dams
Horace Troop Pond Dam
Delaware, OH
High Hazard 21 ftAlum Creek Dam
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High HazardSchrock Lake Dam
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Significant Hazard 10 ftAlum Creek Upground Reservoir
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High Hazard 24 ftAlum Creek Upground Reservoir No. 2
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High Hazard 36 ftHoover Dam
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High Hazard 86 ftMinerva Park Lake Dam
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Low Hazard 19 ftBerkshire Lake Dam
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Westerville Reservoir Dam?
Westerville Reservoir Dam 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 Westerville Reservoir Dam?
Westerville Reservoir Dam is owned by City of Westerville (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Westerville Reservoir Dam built?
Westerville Reservoir Dam was completed in 1960, making it 66 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 Westerville Reservoir Dam?
Westerville Reservoir Dam 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 Westerville Reservoir Dam?
Westerville Reservoir Dam has a dam height of 47 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 Westerville Reservoir Dam last inspected?
Westerville Reservoir Dam was last inspected on December 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.