Oso Largo Dam

Graham County, Arizona (near FORT THOMAS, AZ)

River/Stream: GILA RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type

Gravity

Height

26 ft

Dam Length

4,625 ft

Reservoir Storage

617 acre-ft

Year Completed

1971

Primary Purpose

Flood Risk Reduction

Owner Type

Federal

Max Discharge

5,442 cfs

Condition Assessment

UnsatisfactoryLast inspected: 2010-08-20

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

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

Location

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Quick Stats

NID ID: AZ20020
State: Arizona (AZ)
Coordinates: 32.91561, -109.91031
Age: 55 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.