East Pre-Sedimentation Basin
Key Takeaway
East Pre-Sedimentation Basin is classified as high hazard in Oklahoma. It was completed in 2012 and is 14 years old. Its primary use is water supply. 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 | 28 ft (taller than 47.3% in OK) |
| Dam Length | 3,600 ft |
| Dam Type | Earth |
| Max Storage | 342 acre-ft |
| Normal Storage | 266 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 20 cfs |
| Year Completed | 2012 (14 years old) |
| NID ID | OK30398 |
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
BROKEN ARROW MUNICIPAL AUTHORITY
Local Government
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of East Pre-Sedimentation Basin?
East Pre-Sedimentation Basin 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 East Pre-Sedimentation Basin?
East Pre-Sedimentation Basin is owned by BROKEN ARROW MUNICIPAL AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Pre-Sedimentation Basin built?
East Pre-Sedimentation Basin was completed in 2012, making it 14 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 East Pre-Sedimentation Basin?
East Pre-Sedimentation Basin serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Pre-Sedimentation Basin?
East Pre-Sedimentation Basin has a dam height of 28 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 East Pre-Sedimentation Basin last inspected?
East Pre-Sedimentation Basin was last inspected on November 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.