Nasworthy Dam
Key Takeaway
Nasworthy Dam is classified as high hazard in Texas. It was completed in 1930 and is 96 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 | 47 ft (taller than 91.6% in TX) |
| Dam Length | 5,480 ft |
| Dam Type | Earth |
| Max Storage | 33.0K acre-ft |
| Normal Storage | 10.1K acre-ft |
| Surface Area | 1,380 acres |
| Drainage Area | 2,881 sq mi |
| Max Discharge | 228,724 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | TX03139 |
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 ANGELO
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Nasworthy Dam?
Nasworthy 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 Nasworthy Dam?
Nasworthy Dam is owned by CITY OF SAN ANGELO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nasworthy Dam built?
Nasworthy Dam was completed in 1930, making it 96 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 Nasworthy Dam?
Nasworthy 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 Nasworthy Dam?
Nasworthy Dam has a dam height of 47 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 Nasworthy Dam last inspected?
Nasworthy Dam was last inspected on May 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.