Gwendolyn Dam
Key Takeaway
Gwendolyn Dam is classified as high hazard in Texas. It was completed in 1983 and is 43 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 | 8 ft (taller than 1.1% in TX) |
| Dam Length | 1,020 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 6,250 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | TX07220 |
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 28 ftFrequently Asked Questions
What is the hazard classification of Gwendolyn Dam?
Gwendolyn 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 Gwendolyn Dam?
Gwendolyn Dam is owned by CITY OF AUSTIN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gwendolyn Dam built?
Gwendolyn Dam was completed in 1983, making it 43 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 Gwendolyn Dam?
Gwendolyn Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gwendolyn Dam?
Gwendolyn Dam has a dam height of 8 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 Gwendolyn Dam last inspected?
Gwendolyn Dam was last inspected on May 2, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.