Spence/Wilson
Key Takeaway
Spence/Wilson is classified as low hazard in Missouri. It was completed in 1997 and is 29 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 30 ft (taller than 63.5% in MO) |
| Dam Length | 465 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 262 sq mi |
| Max Discharge | 93 cfs |
| Year Completed | 1997 (29 years old) |
| NID ID | MO50897 |
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
SPENCE/WILSON
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Spence/Wilson?
Spence/Wilson 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 Spence/Wilson?
Spence/Wilson is owned by SPENCE/WILSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spence/Wilson built?
Spence/Wilson was completed in 1997, making it 29 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 Spence/Wilson?
Spence/Wilson serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spence/Wilson?
Spence/Wilson has a dam height of 30 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 Spence/Wilson last inspected?
Spence/Wilson was last inspected on July 14, 1997. Inspection dates indicate when a formal review occurred, not the results of that inspection.