Twin Oak Dam
Key Takeaway
Twin Oak Dam is classified as high hazard in Texas. It was completed in 1982 and is 44 years old. Its primary use is other. 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 | 54 ft (taller than 95.3% in TX) |
| Dam Length | 7,360 ft |
| Dam Type | Earth |
| Max Storage | 70.9K acre-ft |
| Normal Storage | 30.3K acre-ft |
| Surface Area | 2,330 acres |
| Drainage Area | 45 sq mi |
| Max Discharge | 53,800 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | TX04453 |
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
LUMINANT POWER COMPANY LLC
Private
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What is the hazard classification of Twin Oak Dam?
Twin Oak 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 Twin Oak Dam?
Twin Oak Dam is owned by LUMINANT POWER COMPANY LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Oak Dam built?
Twin Oak Dam was completed in 1982, making it 44 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 Twin Oak Dam?
Twin Oak Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Oak Dam?
Twin Oak Dam has a dam height of 54 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 Twin Oak Dam last inspected?
Twin Oak Dam was last inspected on August 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.