Mission Lake
Key Takeaway
Mission Lake is classified as high hazard in Kansas. It was completed in 1924 and is 102 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 | 36 ft (taller than 87.5% in KS) |
| Dam Length | 1,010 ft |
| Dam Type | Earth |
| Max Storage | 2.5K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 154 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 24,200 cfs |
| Year Completed | 1924 (102 years old) |
| Year Modified | 2011 |
| NID ID | KS02458 |
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
HORTON, CITY OF
Local Government
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Mission Lake?
Mission 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 Mission Lake?
Mission Lake is owned by HORTON, CITY OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mission Lake built?
Mission Lake was completed in 1924, making it 102 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 Mission Lake?
Mission Lake serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mission Lake?
Mission Lake has a dam height of 36 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 Mission Lake last inspected?
Mission Lake was last inspected on April 30, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.