North San Gabriel Dam
Key Takeaway
North San Gabriel Dam is classified as high hazard in Texas. It was completed in 1980 and is 46 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 | 162 ft (taller than 99.8% in TX) |
| Dam Length | 6,650 ft |
| Dam Type | Earth |
| Max Storage | 236.5K acre-ft |
| Normal Storage | 37.1K acre-ft |
| Surface Area | 1,310 acres |
| Drainage Area | 246 sq mi |
| Max Discharge | 342,000 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | TX08006 |
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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High Hazard 41 ftFrequently Asked Questions
What is the hazard classification of North San Gabriel Dam?
North San Gabriel 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 North San Gabriel Dam?
North San Gabriel 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 North San Gabriel Dam built?
North San Gabriel Dam was completed in 1980, making it 46 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 North San Gabriel Dam?
North San Gabriel Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is North San Gabriel Dam?
North San Gabriel Dam has a dam height of 162 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 North San Gabriel Dam last inspected?
North San Gabriel Dam was last inspected on February 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.