Eel Weir

Cumberland County, Maine (near South Windham)

River/Stream: Presumpscot River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Masonry
Height
22 ft
Dam Length
1,310 ft
Reservoir Storage
330,000 acre-ft
Year Completed
1879
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
8,800 cfs

Condition Assessment

SatisfactoryLast inspected: 2025-09-16

Hazard Classification: High — 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
ME00070
State
Maine (ME)
Coordinates
43.83020, -70.45500
Age
147 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.