Prairie Hollow Lake Dam
Key Takeaway
Prairie Hollow Lake Dam is classified as high hazard in Missouri. 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 | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 320 sq mi |
| NID ID | MO20777 |
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
MO DEPT OF CONSERVATION
State Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Prairie Hollow Lake Dam?
Prairie Hollow Lake 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 Prairie Hollow Lake Dam?
Prairie Hollow Lake Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
How tall is Prairie Hollow Lake Dam?
Prairie Hollow Lake Dam has a dam height of 25 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.