Long Lake Dam

City and Borough of Juneau County, Alaska (near JUNEAU)

River/Stream: LONG RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Concrete
Height
30 ft
Dam Length
337 ft
Reservoir Storage
147,000 acre-ft
Year Completed
1973
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
28,000 cfs

Condition Assessment

FairLast inspected: 2019-08-28

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

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

Location

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Quick Stats

NID ID
AK00044
State
Alaska (AK)
Coordinates
58.16667, -133.73330
Age
53 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.