Waneka
Key Takeaway
Waneka is classified as high hazard in Colorado. It was completed in 1865 and is 161 years old. Its primary use is recreation. 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 | 27 ft (taller than 59.3% in CO) |
| Dam Length | 2,445 ft |
| Dam Type | Earth |
| Max Storage | 838 acre-ft |
| Normal Storage | 604 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,052 cfs |
| Year Completed | 1865 (161 years old) |
| NID ID | CO00259 |
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
CITY OF LAFAYETTE (ASQUITH, MELANIE)
Local Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Waneka?
Waneka 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 Waneka?
Waneka is owned by CITY OF LAFAYETTE (ASQUITH, MELANIE) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Waneka built?
Waneka was completed in 1865, making it 161 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 Waneka?
Waneka 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 Waneka?
Waneka has a dam height of 27 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 Waneka last inspected?
Waneka was last inspected on October 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.