Lake Tanglewood Dam
Key Takeaway
Lake Tanglewood Dam is classified as high hazard in Texas. It was completed in 1965 and is 61 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 | 83 ft (taller than 98.8% in TX) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 15.9K acre-ft |
| Normal Storage | 4.9K acre-ft |
| Surface Area | 258 acres |
| Drainage Area | 833 sq mi |
| Max Discharge | 291,522 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | TX03587 |
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
LAKE TANGLEWOOD INC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake Tanglewood Dam?
Lake Tanglewood 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 Tanglewood Dam?
Lake Tanglewood Dam is owned by LAKE TANGLEWOOD INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Tanglewood Dam built?
Lake Tanglewood Dam was completed in 1965, making it 61 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 Tanglewood Dam?
Lake Tanglewood Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Tanglewood Dam?
Lake Tanglewood 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 Tanglewood Dam last inspected?
Lake Tanglewood Dam was last inspected on August 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.