Dd No 11b
Key Takeaway
Dd No 11b is classified as low hazard in Kansas. It was completed in 2000 and is 26 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 26 ft (taller than 50.5% in KS) |
| Dam Length | 1,462 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 4,492 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | KS07884 |
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
UPPER LITTLE ARKANSAS WJD NO 95
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dd No 11b?
Dd No 11b 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 11b?
Dd No 11b is owned by UPPER LITTLE ARKANSAS WJD NO 95 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 11b built?
Dd No 11b was completed in 2000, making it 26 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 11b?
Dd No 11b 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 11b?
Dd No 11b has a dam height of 26 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 11b last inspected?
Dd No 11b was last inspected on August 30, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.