Powell Lake Dam
Key Takeaway
Powell Lake Dam is classified as significant hazard in Texas. It was completed in 1939 and is 87 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 77.6% in TX) |
| Dam Length | 2,160 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 163 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 9,318 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | TX03797 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
COLORADO RIVER MUNICIPAL WATER DISTRICT
Local Government
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Significant Hazard 70 ftFrequently Asked Questions
What is the hazard classification of Powell Lake Dam?
Powell Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Powell Lake Dam?
Powell Lake Dam is owned by COLORADO RIVER MUNICIPAL WATER DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Powell Lake Dam built?
Powell Lake Dam was completed in 1939, making it 87 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 Powell Lake Dam?
Powell Lake Dam serves the following purposes: Water Supply, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Powell Lake Dam?
Powell Lake Dam has a dam height of 35 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 Powell Lake Dam last inspected?
Powell Lake Dam was last inspected on October 23, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.