Mc Callen Dam
Key Takeaway
Mc Callen Dam is classified as high hazard in Texas. It was completed in 1998 and is 28 years old. 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 | 15 ft (taller than 15.4% in TX) |
| Dam Length | 825 ft |
| Dam Type | Earth |
| Max Storage | 99 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 364 sq mi |
| Max Discharge | 1,253 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | TX07286 |
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 AUSTIN
Local Government
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High Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Mc Callen Dam?
Mc Callen 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 Mc Callen Dam?
Mc Callen Dam is owned by CITY OF AUSTIN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mc Callen Dam built?
Mc Callen Dam was completed in 1998, making it 28 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Mc Callen Dam?
Mc Callen Dam has a dam height of 15 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 Mc Callen Dam last inspected?
Mc Callen Dam was last inspected on January 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.