Little Sni-A-Bar #21
Key Takeaway
Little Sni-A-Bar #21 is classified as high hazard in Missouri. It was completed in 1975 and is 51 years old. Its primary use is other. 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 | 38 ft (taller than 88.1% in MO) |
| Dam Length | 345 ft |
| Dam Type | Earth |
| Max Storage | 235 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 387 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | MO12103 |
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
LITTLE SNI-A-BAR WATERSHED
Local Government
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What is the hazard classification of Little Sni-A-Bar #21?
Little Sni-A-Bar #21 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 Little Sni-A-Bar #21?
Little Sni-A-Bar #21 is owned by LITTLE SNI-A-BAR WATERSHED (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Sni-A-Bar #21 built?
Little Sni-A-Bar #21 was completed in 1975, making it 51 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 Little Sni-A-Bar #21?
Little Sni-A-Bar #21 serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little Sni-A-Bar #21?
Little Sni-A-Bar #21 has a dam height of 38 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 Little Sni-A-Bar #21 last inspected?
Little Sni-A-Bar #21 was last inspected on November 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.