Wellington-Napoleon Watershed Dam A-21a
Key Takeaway
Wellington-Napoleon Watershed Dam A-21a is classified as low hazard in Missouri. It was completed in 1967 and is 59 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 34 ft (taller than 82.3% in MO) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 28 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 146 sq mi |
| Max Discharge | 226 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | MO12135 |
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
WLNGTN-NAP WTSD SBDISTRC
Local Government
Nearby Dams
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Low Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Wellington-Napoleon Watershed Dam A-21a?
Wellington-Napoleon Watershed Dam A-21a 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 Wellington-Napoleon Watershed Dam A-21a?
Wellington-Napoleon Watershed Dam A-21a is owned by WLNGTN-NAP WTSD SBDISTRC (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wellington-Napoleon Watershed Dam A-21a built?
Wellington-Napoleon Watershed Dam A-21a was completed in 1967, making it 59 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 Wellington-Napoleon Watershed Dam A-21a?
Wellington-Napoleon Watershed Dam A-21a 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 Wellington-Napoleon Watershed Dam A-21a?
Wellington-Napoleon Watershed Dam A-21a has a dam height of 34 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.