Muddy Fork Site 4
Key Takeaway
Muddy Fork Site 4 is classified as high hazard in Arkansas. It was completed in 1967 and is 59 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 | 73 ft (taller than 93.5% in AR) |
| Dam Length | 1,240 ft |
| Dam Type | Earth |
| Max Storage | 5.0K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 95 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 4,418 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | AR00281 |
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
PRAIRIE GROVE WATER DEPARTMENT
Local Government
Nearby Dams
Hunton Lake Dam
Washington, AR
Low Hazard 29 ftMuddy Fork Site 3
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High Hazard 50 ftRodgers Lake Dam
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Low Hazard 16 ftCantrell Lake Dam
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Low Hazard 20 ftMuddy Fork Site 2
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Significant Hazard 80 ftMuddy Fork SWCD Site 1
Washington, AR
High Hazard 36 ftArkno Name 350
Washington, AR
Low HazardAdams Lake Dam
Washington, AR
Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Muddy Fork Site 4?
Muddy Fork Site 4 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 Muddy Fork Site 4?
Muddy Fork Site 4 is owned by PRAIRIE GROVE WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Muddy Fork Site 4 built?
Muddy Fork Site 4 was completed in 1967, making it 59 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 Muddy Fork Site 4?
Muddy Fork Site 4 serves the following purposes: Flood Risk Reduction, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Muddy Fork Site 4?
Muddy Fork Site 4 has a dam height of 73 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 Muddy Fork Site 4 last inspected?
Muddy Fork Site 4 was last inspected on April 10, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.