Carlisle Lake Dam
Key Takeaway
Carlisle Lake Dam is classified as high hazard in Washington. It was completed in 1920 and is 106 years old. Its primary use is fish and wildlife pond. 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 Type | Earth |
| Max Storage | 300 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | WA00222 |
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
Onalaska Alliance
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Carlisle Lake Dam?
Carlisle Lake 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 Carlisle Lake Dam?
Carlisle Lake Dam is owned by Onalaska Alliance (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Carlisle Lake Dam built?
Carlisle Lake Dam was completed in 1920, making it 106 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 Carlisle Lake Dam?
Carlisle Lake Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Carlisle Lake Dam last inspected?
Carlisle Lake Dam was last inspected on September 15, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.