Big Rock Dam
Key Takeaway
Big Rock Dam is classified as low hazard in Texas. It was completed in 1961 and is 65 years old. Its primary use is recreation.
Physical Details
| Dam Height | 24 ft (taller than 47.7% in TX) |
| Dam Length | 827 ft |
| Dam Type | Earth |
| Max Storage | 406 acre-ft |
| Normal Storage | 274 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,102 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | TX03574 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
JAMES VISAGE
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Big Rock Dam?
Big Rock Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Big Rock Dam?
Big Rock Dam is owned by JAMES VISAGE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Rock Dam built?
Big Rock Dam was completed in 1961, making it 65 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 Big Rock Dam?
Big Rock Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Big Rock Dam?
Big Rock Dam has a dam height of 24 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 Big Rock Dam last inspected?
Big Rock Dam was last inspected on May 14, 2008. Inspection dates indicate when a formal review occurred, not the results of that inspection.