West Polk A-4
Key Takeaway
West Polk A-4 is classified as low hazard in Florida. It was completed in 1961 and is 65 years old. Its primary use is debris control.
Physical Details
| Dam Height | 24 ft (taller than 61.4% in FL) |
| Dam Length | 14,400 ft |
| Dam Type | Earth |
| Max Storage | 7.3K acre-ft |
| Normal Storage | 7.3K acre-ft |
| Surface Area | 102 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 7 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | FL00199 |
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
THE MOSAIC COMPANY
Private
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High Hazard 50 ftFrequently Asked Questions
What is the hazard classification of West Polk A-4?
West Polk A-4 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 West Polk A-4?
West Polk A-4 is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was West Polk A-4 built?
West Polk A-4 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 West Polk A-4?
West Polk A-4 serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is West Polk A-4?
West Polk A-4 has a dam height of 24 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.