Portal Forebay Main

Fresno County, California (near Mono Hot Springs)

River/Stream: Camp 61 Creek

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
65 ft
Dam Length
795 ft
Reservoir Storage
390 acre-ft
Year Completed
1956
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
3,500 cfs

Condition Assessment

SatisfactoryLast inspected: 2023-08-29

Hazard Classification: Low — 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
CA00442
State
California (CA)
Coordinates
37.32010, -119.06930
Age
70 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.