Lake Bastrop Dam
Key Takeaway
Lake Bastrop Dam is classified as high hazard in Texas. It was completed in 1964 and is 62 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 | 88 ft (taller than 99.1% in TX) |
| Dam Length | 4,000 ft |
| Dam Type | Earth |
| Max Storage | 24.7K acre-ft |
| Normal Storage | 16.6K acre-ft |
| Surface Area | 244 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 17,612 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | TX02718 |
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
LOWER COLORADO RIVER AUTHORITY
Local Government
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Lake Bastrop Dam?
Lake Bastrop 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 Bastrop Dam?
Lake Bastrop Dam is owned by LOWER COLORADO RIVER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Bastrop Dam built?
Lake Bastrop Dam was completed in 1964, making it 62 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 Bastrop Dam?
Lake Bastrop Dam serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Bastrop Dam?
Lake Bastrop Dam has a dam height of 88 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 Bastrop Dam last inspected?
Lake Bastrop Dam was last inspected on April 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.