Twin Lake

Alpine County, California (near Kirkwood)

River/Stream: North Fork Mokelumne River-tr

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
22 ft
Dam Length
1,520 ft
Reservoir Storage
21,581 acre-ft
Year Completed
1903
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
12,400 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-09-07

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
CA00384
State
California (CA)
Coordinates
38.60890, -119.94452
Age
123 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.