Lewis Creek Dam
Key Takeaway
Lewis Creek Dam is classified as high hazard in Texas. It was completed in 1969 and is 57 years old. Its primary use is water supply. 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 | 57 ft (taller than 96.2% in TX) |
| Dam Length | 12,776 ft |
| Dam Type | Earth |
| Max Storage | 24.5K acre-ft |
| Normal Storage | 17.0K acre-ft |
| Surface Area | 960 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 7,100 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | TX00119 |
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
ENTERGY TEXAS INC
Private
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Lewis Creek Dam?
Lewis Creek 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 Lewis Creek Dam?
Lewis Creek Dam is owned by ENTERGY TEXAS INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lewis Creek Dam built?
Lewis Creek Dam was completed in 1969, making it 57 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 Lewis Creek Dam?
Lewis Creek Dam serves the following purposes: Water Supply, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lewis Creek Dam?
Lewis Creek Dam has a dam height of 57 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 Lewis Creek Dam last inspected?
Lewis Creek Dam was last inspected on March 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.