Lower Jeffco Lake Dam
Key Takeaway
Lower Jeffco Lake Dam is classified as high hazard in Ohio. It was completed in 1963 and is 63 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 | 17 ft (taller than 18.2% in OH) |
| Dam Length | 365 ft |
| Dam Type | Earth |
| Max Storage | 139 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 170 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | OH00392 |
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
James Carkhuff
Private
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High Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Lower Jeffco Lake Dam?
Lower Jeffco 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 Lower Jeffco Lake Dam?
Lower Jeffco Lake Dam is owned by James Carkhuff (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Jeffco Lake Dam built?
Lower Jeffco Lake Dam was completed in 1963, making it 63 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 Lower Jeffco Lake Dam?
Lower Jeffco 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 Lower Jeffco Lake Dam?
Lower Jeffco Lake Dam has a dam height of 17 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 Lower Jeffco Lake Dam last inspected?
Lower Jeffco Lake Dam was last inspected on November 24, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.