Lower Little Black G-2 Dam
Key Takeaway
Lower Little Black G-2 Dam is classified as high hazard in Missouri. It was completed in 1999 and is 27 years old. 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 | 55 ft (taller than 96.3% in MO) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 7.4K acre-ft |
| Normal Storage | 706 acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 17,200 cfs |
| Year Completed | 1999 (27 years old) |
| Year Modified | 1996 |
| NID ID | MO31995 |
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
Private
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Low Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Lower Little Black G-2 Dam?
Lower Little Black G-2 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 Lower Little Black G-2 Dam?
Lower Little Black G-2 Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Little Black G-2 Dam built?
Lower Little Black G-2 Dam was completed in 1999, making it 27 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Lower Little Black G-2 Dam?
Lower Little Black G-2 Dam has a dam height of 55 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 Lower Little Black G-2 Dam last inspected?
Lower Little Black G-2 Dam was last inspected on September 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.