Hargus Lake Dam
Key Takeaway
Hargus Lake Dam is classified as high hazard in Ohio. It was completed in 1956 and is 70 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 | 66 ft (taller than 96.9% in OH) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 3.9K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 6,850 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | OH00643 |
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 Parks & Watercraft
State Government
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Significant Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Hargus Lake Dam?
Hargus 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 Hargus Lake Dam?
Hargus Lake Dam is owned by ODNR, Division of Parks & Watercraft (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hargus Lake Dam built?
Hargus Lake Dam was completed in 1956, making it 70 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 Hargus Lake Dam?
Hargus 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 Hargus Lake Dam?
Hargus Lake Dam has a dam height of 66 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 Hargus Lake Dam last inspected?
Hargus Lake Dam was last inspected on October 18, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.