Tanyard Lake Dam
Key Takeaway
Tanyard Lake Dam is classified as low hazard in Texas. It was completed in 1958 and is 68 years old. Its primary use is other.
Physical Details
| Dam Height | 46 ft (taller than 90.9% in TX) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 2.6K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 101 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,220 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | TX03556 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
EASTMAN CHEMICAL COMPANY
Private
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Tanyard Lake Dam?
Tanyard Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Tanyard Lake Dam?
Tanyard Lake Dam is owned by EASTMAN CHEMICAL COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tanyard Lake Dam built?
Tanyard Lake Dam was completed in 1958, making it 68 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 Tanyard Lake Dam?
Tanyard Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tanyard Lake Dam?
Tanyard Lake Dam has a dam height of 46 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 Tanyard Lake Dam last inspected?
Tanyard Lake Dam was last inspected on November 15, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.