Lake Winnsboro Dam
Key Takeaway
Lake Winnsboro Dam is classified as high hazard in Texas. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction. 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 | 46 ft (taller than 90.9% in TX) |
| Dam Length | 2,540 ft |
| Dam Type | Earth |
| Max Storage | 28.8K acre-ft |
| Normal Storage | 8.1K acre-ft |
| Surface Area | 1,268 acres |
| Drainage Area | 27 sq mi |
| Max Discharge | 34,430 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | TX00940 |
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
WOOD COUNTY
Local Government
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High Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Lake Winnsboro Dam?
Lake Winnsboro 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 Lake Winnsboro Dam?
Lake Winnsboro Dam is owned by WOOD COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Winnsboro Dam built?
Lake Winnsboro Dam was completed in 1962, making it 64 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 Lake Winnsboro Dam?
Lake Winnsboro Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Winnsboro Dam?
Lake Winnsboro Dam has a dam height of 46 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 Lake Winnsboro Dam last inspected?
Lake Winnsboro Dam was last inspected on August 8, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.