Tranquitas Lake Dam
Key Takeaway
Tranquitas Lake Dam is classified as high hazard in Texas. It was completed in 1938 and is 88 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 | 15 ft (taller than 15.4% in TX) |
| Dam Length | 8,450 ft |
| Dam Type | Earth |
| Max Storage | 25.4K acre-ft |
| Normal Storage | 671 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 77,439 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | TX02465 |
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
KING RANCH INC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Tranquitas Lake Dam?
Tranquitas Lake 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 Tranquitas Lake Dam?
Tranquitas Lake Dam is owned by KING RANCH INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tranquitas Lake Dam built?
Tranquitas Lake Dam was completed in 1938, making it 88 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 Tranquitas Lake Dam?
Tranquitas Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tranquitas Lake Dam?
Tranquitas Lake Dam has a dam height of 15 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 Tranquitas Lake Dam last inspected?
Tranquitas Lake Dam was last inspected on May 23, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.