Calaveras Creek WS SCS Site 9 Dam
Key Takeaway
Calaveras Creek WS SCS Site 9 Dam is classified as high hazard in Texas. It was completed in 1955 and is 71 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 | 28 ft (taller than 61.3% in TX) |
| Dam Length | 1,176 ft |
| Dam Type | Earth |
| Max Storage | 907 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 9,879 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | TX01451 |
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
ALAMO SWCD;SAN ANTONIO RIVER AUTHORITY
Local Government
Nearby Dams
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High Hazard 79 ftFrequently Asked Questions
What is the hazard classification of Calaveras Creek WS SCS Site 9 Dam?
Calaveras Creek WS SCS Site 9 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 Calaveras Creek WS SCS Site 9 Dam?
Calaveras Creek WS SCS Site 9 Dam is owned by ALAMO SWCD;SAN ANTONIO RIVER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Calaveras Creek WS SCS Site 9 Dam built?
Calaveras Creek WS SCS Site 9 Dam was completed in 1955, making it 71 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 Calaveras Creek WS SCS Site 9 Dam?
Calaveras Creek WS SCS Site 9 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 Calaveras Creek WS SCS Site 9 Dam?
Calaveras Creek WS SCS Site 9 Dam has a dam height of 28 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 Calaveras Creek WS SCS Site 9 Dam last inspected?
Calaveras Creek WS SCS Site 9 Dam was last inspected on April 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.