Deer Flat Upper Dam

Canyon County, Idaho (near CALDWELL)

River/Stream: BOISE RIVER OS

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
74 ft
Dam Length
4,165 ft
Reservoir Storage
159,365 acre-ft
Year Completed
1908
Primary Purpose
Irrigation
Owner Type
Federal
Max Discharge
1,270 cfs

Condition Assessment

Not AvailableLast inspected: 2023-06-28

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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Quick Stats

NID ID
ID00276
State
Idaho (ID)
Coordinates
43.55980, -116.65350
Age
118 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.