B-II Detention Basin Dam
Key Takeaway
B-II Detention Basin Dam is classified as high hazard in Oklahoma. It was completed in 1984 and is 42 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 | 21 ft (taller than 17.7% in OK) |
| Dam Length | 2,270 ft |
| Dam Type | Earth |
| Max Storage | 213 acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,659 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | OK00060 |
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
CITY OF LAWTON
Local Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of B-II Detention Basin Dam?
B-II Detention Basin Dam 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 B-II Detention Basin Dam?
B-II Detention Basin Dam is owned by CITY OF LAWTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was B-II Detention Basin Dam built?
B-II Detention Basin Dam was completed in 1984, making it 42 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 B-II Detention Basin Dam?
B-II Detention Basin Dam 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 B-II Detention Basin Dam?
B-II Detention Basin Dam has a dam height of 21 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 B-II Detention Basin Dam last inspected?
B-II Detention Basin Dam was last inspected on August 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.