Upper Buffalo #33a Dam

Marion County, West Virginia (near MANNINGTON)

River/Stream: FLAT RUN

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
51 ft
Dam Length
393 ft
Reservoir Storage
503 acre-ft
Year Completed
1992
Primary Purpose
Flood Risk Reduction
Owner Type
Local Government
Max Discharge
9,249 cfs

Condition Assessment

SatisfactoryLast inspected: 2025-06-30

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
WV04934
State
West Virginia (WV)
Coordinates
39.59444, -80.33306
Age
34 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.