Ossipee Lake Dam Headworks Dam

Carroll County, New Hampshire (near EFFINGHAM)

River/Stream: OSSIPEE RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Concrete
Height
12 ft
Dam Length
129 ft
Reservoir Storage
47,200 acre-ft
Year Completed
1919
Primary Purpose
Recreation
Owner Type
State
Max Discharge
2,720 cfs

Condition Assessment

PoorLast inspected: 2017-10-18

Hazard Classification: Low — 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
NH00328
State
New Hampshire (NH)
Coordinates
43.79372, -71.06366
Age
107 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.