Lake Mahopac Dam

Putnam County, New York (near Mahopac Falls)

River/Stream: MUSCOOT RIVER

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
9 ft
Dam Length
190 ft
Reservoir Storage
17,850 acre-ft
Year Completed
1940
Primary Purpose
Recreation
Owner Type
Local Government
Max Discharge
109 cfs

Condition Assessment

Not RatedLast inspected: 2019-04-23

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

Condition Assessment: Not Rated — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
NY01329
State
New York (NY)
Coordinates
41.37417, -73.75417
Age
86 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.