Lower Great Falls

Strafford County, New Hampshire (near Rollinsford)

River/Stream: Salmon Falls River

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Masonry
Height
36 ft
Dam Length
270 ft
Reservoir Storage
472 acre-ft
Year Completed
1984
Primary Purpose
Hydroelectric
Owner Type
Not Listed
Max Discharge
8,460 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-05-19

Hazard Classification: Significant — 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
NH00126
State
New Hampshire (NH)
Coordinates
43.25440, -70.84460
Age
42 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.