Agnew Lake

Mono County, California (near June Lake)

River/Stream: Rush Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Concrete
Height
30 ft
Dam Length
278 ft
Reservoir Storage
810 acre-ft
Year Completed
1916
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
1,600 cfs

Condition Assessment

PoorLast inspected: 2025-08-20

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Poor — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
CA00454
State
California (CA)
Coordinates
37.75814, -119.13192
Age
110 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.