Fairfax Lake
Key Takeaway
Fairfax Lake is classified as high hazard in Oklahoma. It was completed in 1936 and is 90 years old. Its primary use is water supply. 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 | 55 ft (taller than 96.4% in OK) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 2.5K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 111 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 9,340 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | OK11020 |
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 FAIRFAX
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Fairfax Lake?
Fairfax Lake 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 Fairfax Lake?
Fairfax Lake is owned by CITY OF FAIRFAX (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fairfax Lake built?
Fairfax Lake 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 Fairfax Lake?
Fairfax Lake serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Fairfax Lake?
Fairfax Lake has a dam height of 55 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 Fairfax Lake last inspected?
Fairfax Lake was last inspected on December 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.