Mountain Creek Dam
Key Takeaway
Mountain Creek Dam is classified as high hazard in Texas. It was completed in 1936 and is 90 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 | 47 ft (taller than 91.6% in TX) |
| Dam Length | 8,200 ft |
| Dam Type | Earth |
| Max Storage | 64.4K acre-ft |
| Normal Storage | 24.3K acre-ft |
| Surface Area | 2,880 acres |
| Drainage Area | 295 sq mi |
| Max Discharge | 128,502 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | TX00827 |
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
CONSTELLATION TEXAS POWER SERVICES LLC
Private
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What is the hazard classification of Mountain Creek Dam?
Mountain 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 Mountain Creek Dam?
Mountain Creek Dam is owned by CONSTELLATION TEXAS POWER SERVICES LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mountain Creek Dam built?
Mountain Creek Dam was completed in 1936, making it 90 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 Mountain Creek Dam?
Mountain 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 Mountain Creek Dam?
Mountain Creek Dam has a dam height of 47 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 Mountain Creek Dam last inspected?
Mountain Creek Dam was last inspected on September 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.