Katy Lake Dam
Key Takeaway
Katy Lake Dam is classified as high hazard in Missouri. It was completed in 1905 and is 121 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 | 44 ft (taller than 92% in MO) |
| Dam Length | 323 ft |
| Dam Type | Earth |
| Max Storage | 273 acre-ft |
| Normal Storage | 172 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,800 cfs |
| Year Completed | 1905 (121 years old) |
| Year Modified | 1987 |
| NID ID | MO11048 |
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
PATRICIA EICKS
Private
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Significant Hazard 49 ftFrequently Asked Questions
What is the hazard classification of Katy Lake Dam?
Katy 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 Katy Lake Dam?
Katy Lake Dam is owned by PATRICIA EICKS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Katy Lake Dam built?
Katy Lake Dam was completed in 1905, making it 121 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 Katy Lake Dam?
Katy Lake Dam serves the following purposes: Water Supply, Irrigation, Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Katy Lake Dam?
Katy Lake Dam has a dam height of 44 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 Katy Lake Dam last inspected?
Katy Lake Dam was last inspected on August 4, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.