Granger Dam
Key Takeaway
Granger Dam is classified as high hazard in Texas. It was completed in 1979 and is 47 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 | 115 ft (taller than 99.5% in TX) |
| Dam Length | 15,240 ft |
| Dam Type | Earth |
| Max Storage | 650.0K acre-ft |
| Normal Storage | 65.5K acre-ft |
| Surface Area | 4,400 acres |
| Drainage Area | 475 sq mi |
| Max Discharge | 342,330 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | TX08005 |
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
USACE - Fort Worth District
Federal Government
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Low Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Granger Dam?
Granger 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 Granger Dam?
Granger Dam is owned by USACE - Fort Worth District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Granger Dam built?
Granger Dam was completed in 1979, making it 47 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 Granger Dam?
Granger Dam serves the following purposes: Water Supply, Fish And Wildlife Pond, Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Granger Dam?
Granger Dam has a dam height of 115 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 Granger Dam last inspected?
Granger Dam was last inspected on May 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.