Johnson Creek Dam
Key Takeaway
Johnson Creek Dam is classified as high hazard in Texas. It was completed in 1961 and is 65 years old. Its primary use is other. 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 | 60 ft (taller than 96.9% in TX) |
| Dam Length | 2,530 ft |
| Dam Type | Earth |
| Max Storage | 24.8K acre-ft |
| Normal Storage | 11.4K acre-ft |
| Surface Area | 651 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 19,639 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | TX03887 |
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
AEP TEXAS NORTH COMPANY
Private
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What is the hazard classification of Johnson Creek Dam?
Johnson Creek 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 Johnson Creek Dam?
Johnson Creek Dam is owned by AEP TEXAS NORTH COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Creek Dam built?
Johnson Creek Dam was completed in 1961, making it 65 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 Johnson Creek Dam?
Johnson Creek 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 Johnson Creek Dam?
Johnson Creek Dam has a dam height of 60 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 Johnson Creek Dam last inspected?
Johnson Creek Dam was last inspected on June 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.