Square Rock Lake Dam
Key Takeaway
Square Rock Lake Dam is classified as low hazard in Arkansas. It was completed in 1942 and is 84 years old. Its primary use is water supply.
Physical Details
| Dam Height | 25 ft (taller than 44.1% in AR) |
| Dam Length | 735 ft |
| Dam Type | Earth |
| Max Storage | 715 acre-ft |
| Normal Storage | 528 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 8,200 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | AR00843 |
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
CITY OF WALDRON
Local Government
Nearby Dams
Poteau River Wid Site 06
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High Hazard 38 ftPoteau River Wid Site 05
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High Hazard 42 ftPoteau River Wid Site 04
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Low Hazard 33 ftTakimi Lake Dam
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High Hazard 43 ftUpper Petit Jean Wid Site 5
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High Hazard 61 ftFrequently Asked Questions
What is the hazard classification of Square Rock Lake Dam?
Square Rock Lake Dam 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 Square Rock Lake Dam?
Square Rock Lake Dam is owned by CITY OF WALDRON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Square Rock Lake Dam built?
Square Rock Lake Dam was completed in 1942, making it 84 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 Square Rock Lake Dam?
Square Rock Lake Dam 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 Square Rock Lake Dam?
Square Rock 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.
When was Square Rock Lake Dam last inspected?
Square Rock Lake Dam was last inspected on June 4, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.