Black Canyon Diversion Dam

Gem County, Idaho (near EMMETT)

River/Stream: PAYETTE RIVER

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Concrete
Height
183 ft
Dam Length
1,039 ft
Reservoir Storage
31,200 acre-ft
Year Completed
1924
Primary Purpose
Hydroelectric
Owner Type
Federal
Max Discharge
40,000 cfs

Condition Assessment

Not AvailableLast inspected: 2021-04-01

Hazard Classification: High — 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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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.