Evans Lake Dam
Key Takeaway
Evans Lake Dam is classified as high hazard in Ohio. It was completed in 1948 and is 78 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 | 49 ft (taller than 91% in OH) |
| Dam Length | 3,860 ft |
| Dam Type | Earth |
| Max Storage | 12.6K acre-ft |
| Normal Storage | 6.4K acre-ft |
| Surface Area | 582 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 10,772 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | OH00631 |
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
Aqua Ohio, Inc.
Public Utility
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Significant Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Evans Lake Dam?
Evans Lake 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 Evans Lake Dam?
Evans Lake Dam is owned by Aqua Ohio, Inc. (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Evans Lake Dam built?
Evans Lake Dam was completed in 1948, making it 78 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 Evans Lake Dam?
Evans Lake Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Evans Lake Dam?
Evans Lake Dam has a dam height of 49 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 Evans Lake Dam last inspected?
Evans Lake Dam was last inspected on December 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.