Lake Arthur Dam
Key Takeaway
Lake Arthur Dam is classified as high hazard in Texas. It was completed in 1955 and is 71 years old. Its primary use is fire protection. 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 | 650 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | TX05211 |
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
TURTLE ROCK RANCH LLC
Private
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High Hazard 79 ftFrequently Asked Questions
What is the hazard classification of Lake Arthur Dam?
Lake Arthur 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 Arthur Dam?
Lake Arthur Dam is owned by TURTLE ROCK RANCH LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Arthur Dam built?
Lake Arthur 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 Lake Arthur Dam?
Lake Arthur Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Arthur Dam?
Lake Arthur 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 Lake Arthur Dam last inspected?
Lake Arthur Dam was last inspected on July 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.