Lake Lenexa
Key Takeaway
Lake Lenexa is classified as high hazard in Kansas. It was completed in 2006 and is 20 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 | 46 ft (taller than 96.4% in KS) |
| Dam Length | 740 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 17,900 cfs |
| Year Completed | 2006 (20 years old) |
| NID ID | KS09270 |
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
LENEXA, CITY OF
Local Government
Nearby Dams
Davis Dam/Watercrest Landing
Johnson, KS
Low Hazard 32 ftDam 2 & 3 (Falcon Ridge Golf Course)
Johnson, KS
Significant Hazard 31 ftDam 1 (Falcon Ridge Golf Course)
Johnson, KS
High Hazard 29 ftShawnee Mission Park Dam
Johnson, KS
High Hazard 65 ftMize Lake
Johnson, KS
High Hazard 32 ftWoodland Road & College
Johnson, KS
Low Hazard 25 ftDam KS01161
Johnson, KS
Low Hazard 26 ftTomahawk Hills Cc Dam
Johnson, KS
High Hazard 52 ftFrequently Asked Questions
What is the hazard classification of Lake Lenexa?
Lake Lenexa 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 Lake Lenexa?
Lake Lenexa is owned by LENEXA, CITY OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Lenexa built?
Lake Lenexa was completed in 2006, making it 20 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 Lake Lenexa?
Lake Lenexa 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 Lake Lenexa?
Lake Lenexa has a dam height of 46 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 Lake Lenexa last inspected?
Lake Lenexa was last inspected on March 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.