Lake Arapaho Dam
Key Takeaway
Lake Arapaho Dam is classified as significant hazard in Texas. It was completed in 2004 and is 22 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 37 ft (taller than 80.8% in TX) |
| Dam Length | 1,572 ft |
| Dam Type | Earth |
| Max Storage | 924 acre-ft |
| Normal Storage | 436 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,825 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | TX07109 |
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
CLARKE & WYNDHAM INC;SMILING MALLARD DEVELOPMENT LTD
Private
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High Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Lake Arapaho Dam?
Lake Arapaho 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 Lake Arapaho Dam?
Lake Arapaho Dam is owned by CLARKE & WYNDHAM INC;SMILING MALLARD DEVELOPMENT LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Arapaho Dam built?
Lake Arapaho Dam was completed in 2004, making it 22 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 Lake Arapaho Dam?
Lake Arapaho Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Arapaho Dam?
Lake Arapaho Dam has a dam height of 37 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 Lake Arapaho Dam last inspected?
Lake Arapaho Dam was last inspected on September 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.