Upper Little Black Watershed Dam D- 9
Key Takeaway
Upper Little Black Watershed Dam D- 9 is classified as low hazard in Missouri. It was completed in 1985 and is 41 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 33 ft (taller than 79.3% in MO) |
| Dam Length | 570 ft |
| Dam Type | Earth |
| Max Storage | 313 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 220 sq mi |
| Max Discharge | 426 cfs |
| Year Completed | 1985 (41 years old) |
| NID ID | MO31943 |
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
UPPER LITTLE BLK WRSHSUB
Local Government
Nearby Dams
Upper Little Black D-5 Dam
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Low Hazard 39 ftUpper Little Black Watershed Dam D-12
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Low Hazard 34 ftUpper Little Black Watershed Dam D- 7
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Low Hazard 35 ftUpper Little Black D-8 Dam
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High Hazard 38 ftUpper Little Black D-4 Dam
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Significant Hazard 40 ftUpper Little Black Watershed Dam D- 3
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Low Hazard 29 ftResnik Lake Dam
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Upper Little Black Watershed Dam D- 9?
Upper Little Black Watershed Dam D- 9 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 Upper Little Black Watershed Dam D- 9?
Upper Little Black Watershed Dam D- 9 is owned by UPPER LITTLE BLK WRSHSUB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Little Black Watershed Dam D- 9 built?
Upper Little Black Watershed Dam D- 9 was completed in 1985, making it 41 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 Upper Little Black Watershed Dam D- 9?
Upper Little Black Watershed Dam D- 9 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Little Black Watershed Dam D- 9?
Upper Little Black Watershed Dam D- 9 has a dam height of 33 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.