West Valley

Modoc County, California (near Alturas)

River/Stream: West Valley Cr

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
65 ft
Dam Length
305 ft
Reservoir Storage
23,000 acre-ft
Year Completed
1936
Primary Purpose
Water Supply
Owner Type
Public Utility
Max Discharge
—

Condition Assessment

SatisfactoryLast inspected: 2024-06-18

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
CA00300
State
California (CA)
Coordinates
41.22280, -120.41210
Age
90 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.