Lake Arlington Dam
Key Takeaway
Lake Arlington Dam is classified as high hazard in Texas. It was completed in 1957 and is 69 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 | 83 ft (taller than 98.8% in TX) |
| Dam Length | 6,482 ft |
| Dam Type | Earth |
| Max Storage | 130.0K acre-ft |
| Normal Storage | 40.2K acre-ft |
| Surface Area | 1,926 acres |
| Drainage Area | 143 sq mi |
| Max Discharge | 70,033 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | TX00776 |
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 ARLINGTON
Local Government
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High Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Lake Arlington Dam?
Lake Arlington 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 Lake Arlington Dam?
Lake Arlington Dam is owned by CITY OF ARLINGTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Arlington Dam built?
Lake Arlington Dam was completed in 1957, making it 69 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 Lake Arlington Dam?
Lake Arlington Dam serves the following purposes: Water Supply, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Arlington Dam?
Lake Arlington Dam has a dam height of 83 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 Lake Arlington Dam last inspected?
Lake Arlington Dam was last inspected on December 11, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.