Dd No B-1
Key Takeaway
Dd No B-1 is classified as high hazard in Kansas. It was completed in 1961 and is 65 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 | 27 ft (taller than 57.6% in KS) |
| Dam Length | 1,600 ft |
| Dam Type | Earth |
| Max Storage | 600 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 6,804 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | KS02276 |
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
PAWNEE WJD NO 81
Local Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Dd No B-1?
Dd No B-1 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 B-1?
Dd No B-1 is owned by PAWNEE WJD NO 81 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No B-1 built?
Dd No B-1 was completed in 1961, making it 65 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 B-1?
Dd No B-1 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 B-1?
Dd No B-1 has a dam height of 27 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 B-1 last inspected?
Dd No B-1 was last inspected on March 19, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.