Box Canyon

Siskiyou County, California (near Dunsmuir)

River/Stream: Sacramento River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Concrete
Height
220 ft
Dam Length
1,100 ft
Reservoir Storage
26,000 acre-ft
Year Completed
1970
Primary Purpose
Flood Risk Reduction
Owner Type
Local Government
Max Discharge
56,000 cfs

Condition Assessment

SatisfactoryLast inspected: 2023-08-15

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
CA00889
State
California (CA)
Coordinates
41.28220, -122.32850
Age
56 years

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.