Iatan Lake Dam
Key Takeaway
Iatan Lake Dam is classified as low hazard in Texas. It was completed in 1900 and is 126 years old. Its primary use is water supply.
Physical Details
| Dam Height | 22 ft (taller than 41.9% in TX) |
| Dam Length | 1,440 ft |
| Dam Type | Earth |
| Max Storage | 209 acre-ft |
| Normal Storage | 172 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 3,833 sq mi |
| Year Completed | 1900 (126 years old) |
| NID ID | TX03796 |
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
UNION PACIFIC RAILROAD COMPANY
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Iatan Lake Dam?
Iatan 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 Iatan Lake Dam?
Iatan Lake Dam is owned by UNION PACIFIC RAILROAD COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Iatan Lake Dam built?
Iatan Lake Dam was completed in 1900, making it 126 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 Iatan Lake Dam?
Iatan Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Iatan Lake Dam?
Iatan Lake Dam has a dam height of 22 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 Iatan Lake Dam last inspected?
Iatan Lake Dam was last inspected on March 6, 1986. Inspection dates indicate when a formal review occurred, not the results of that inspection.