Lighthouse Hill

Oswego County, New York (near Altmar)

River/Stream: Salmon River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Concrete
Height
47 ft
Dam Length
851 ft
Reservoir Storage
3,870 acre-ft
Year Completed
1930
Primary Purpose
Hydroelectric
Owner Type
Not Listed
Max Discharge
25,300 cfs

Condition Assessment

FairLast inspected: 2022-08-30

Hazard Classification: High — 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
NY00367
State
New York (NY)
Coordinates
43.52450, -75.97060
Age
96 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.