Clark Lake Dam
Key Takeaway
Clark Lake Dam is classified as high hazard in Ohio. It was completed in 1957 and is 69 years old. Its primary use is recreation. 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 | 23 ft (taller than 37% in OH) |
| Dam Length | 1,425 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 453 acre-ft |
| Surface Area | 97 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 34,570 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | OH00444 |
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
ODNR, Division of Wildlife
State Government
Nearby Dams
Parker Lakes Upper Dam
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Significant Hazard 15 ftSouth Vienna Wwt Lagoons
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Significant Hazard 26 ftParker Lakes Lower Dam
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Low Hazard 19 ftThe Van Dyke Club Lake Dam
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Low Hazard 16 ftLake Sylvan Dam
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Significant Hazard 21 ftEast Fork Buck Creek Structure Iv-A
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Significant Hazard 39 ftClarence J. Brown Dam
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High HazardEast Fork Buck Creek Structure Iii-A
Champaign, OH
Significant Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Clark Lake Dam?
Clark 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 Clark Lake Dam?
Clark Lake Dam is owned by ODNR, Division of Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clark Lake Dam built?
Clark Lake Dam was completed in 1957, making it 69 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 Clark Lake Dam?
Clark 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 Clark Lake Dam?
Clark Lake Dam 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 Clark Lake Dam last inspected?
Clark Lake Dam was last inspected on October 29, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.