Ivan Lake Dam
Key Takeaway
Ivan Lake Dam is classified as high hazard in Louisiana. It was completed in 1958 and is 68 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 | 21 ft (taller than 66.9% in LA) |
| Dam Length | 1,120 ft |
| Dam Type | Earth |
| Max Storage | 7.8K acre-ft |
| Normal Storage | 3.3K acre-ft |
| Surface Area | 520 acres |
| Drainage Area | 55 sq mi |
| Max Discharge | 7,300 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | LA00020 |
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
State of Louisiana
Local Government
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Ivan Lake Dam?
Ivan 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 Ivan Lake Dam?
Ivan Lake Dam is owned by State of Louisiana (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ivan Lake Dam built?
Ivan Lake Dam was completed in 1958, making it 68 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 Ivan Lake Dam?
Ivan 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 Ivan Lake Dam?
Ivan Lake Dam has a dam height of 21 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 Ivan Lake Dam last inspected?
Ivan Lake Dam was last inspected on July 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.