San Augustine City Lake Dam
Key Takeaway
San Augustine City Lake Dam is classified as high hazard in Texas. It was completed in 1959 and is 67 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 | 46 ft (taller than 90.9% in TX) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 5.5K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 183 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | TX04456 |
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
CITY OF SAN AUGUSTINE
Local Government
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What is the hazard classification of San Augustine City Lake Dam?
San Augustine City 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 San Augustine City Lake Dam?
San Augustine City Lake Dam is owned by CITY OF SAN AUGUSTINE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was San Augustine City Lake Dam built?
San Augustine City Lake Dam was completed in 1959, making it 67 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 San Augustine City Lake Dam?
San Augustine City Lake Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is San Augustine City Lake Dam?
San Augustine City Lake 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 San Augustine City Lake Dam last inspected?
San Augustine City Lake Dam was last inspected on February 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.