Dd No 6-28 Lower Dam (Sedan City Lake)
Key Takeaway
Dd No 6-28 Lower Dam (Sedan City Lake) is classified as high hazard in Kansas. It was completed in 1965 and is 61 years old. Its primary use is flood risk reduction. 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 | 50 ft (taller than 97.5% in KS) |
| Dam Length | 1,585 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 7 sq mi |
| Year Completed | 1965 (61 years old) |
| NID ID | KS02451 |
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
SEDAN, CITY OF
Local Government
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What is the hazard classification of Dd No 6-28 Lower Dam (Sedan City Lake)?
Dd No 6-28 Lower Dam (Sedan City 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 Dd No 6-28 Lower Dam (Sedan City Lake)?
Dd No 6-28 Lower Dam (Sedan City Lake) is owned by SEDAN, CITY OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 6-28 Lower Dam (Sedan City Lake) built?
Dd No 6-28 Lower Dam (Sedan City Lake) was completed in 1965, making it 61 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 Dd No 6-28 Lower Dam (Sedan City Lake)?
Dd No 6-28 Lower Dam (Sedan City Lake) serves the following purposes: Flood Risk Reduction, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dd No 6-28 Lower Dam (Sedan City Lake)?
Dd No 6-28 Lower Dam (Sedan City Lake) has a dam height of 50 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 Dd No 6-28 Lower Dam (Sedan City Lake) last inspected?
Dd No 6-28 Lower Dam (Sedan City Lake) was last inspected on April 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.