Dd No 109
Key Takeaway
Dd No 109 is classified as low hazard in Kansas. It was completed in 1987 and is 39 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 18 ft (taller than 16.5% in KS) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 189 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | KS07115 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MIDDLE WALNUT WJD NO 60
Local Government
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Dd No 109?
Dd No 109 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dd No 109?
Dd No 109 is owned by MIDDLE WALNUT WJD NO 60 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 109 built?
Dd No 109 was completed in 1987, making it 39 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 109?
Dd No 109 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dd No 109?
Dd No 109 has a dam height of 18 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 109 last inspected?
Dd No 109 was last inspected on February 21, 2003. Inspection dates indicate when a formal review occurred, not the results of that inspection.