Hewittville

St. Lawrence County, New York (near Unionville)

River/Stream: Raquette River

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Concrete
Height
18 ft
Dam Length
615 ft
Reservoir Storage
360 acre-ft
Year Completed
1870
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
11,500 cfs

Condition Assessment

SatisfactoryLast inspected: 2019-07-15

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
NY00574
State
New York (NY)
Coordinates
44.70400, -75.00780
Age
156 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.