Newt Graham Lock and Dam

Wagoner County, Oklahoma (near OKAY)

River/Stream: VERDIGRIS RIVER

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Concrete
Height
48 ft
Dam Length
7,367 ft
Reservoir Storage
23,500 acre-ft
Year Completed
1970
Primary Purpose
Navigation
Owner Type
Federal
Max Discharge
155,000 cfs

Condition Assessment

Not AvailableLast inspected: 2025-05-28

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

Condition Assessment: Not Available — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
OK10302
State
Oklahoma (OK)
Coordinates
36.05864, -95.53767
Age
56 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.