Thermalito Forebay

Butte County, California (near Oroville)

River/Stream: Feather River - Off Stream

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
91 ft
Dam Length
15,900 ft
Reservoir Storage
11,768 acre-ft
Year Completed
1967
Primary Purpose
Hydroelectric
Owner Type
State
Max Discharge
5,000 cfs

Condition Assessment

SatisfactoryLast inspected: 2023-08-29

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
CA00041
State
California (CA)
Coordinates
39.52520, -121.60120
Age
59 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.