Middle Dam

Oxford County, Maine (near Errol)

River/Stream: Rapid River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Rockfill
Height
22 ft
Dam Length
1,004 ft
Reservoir Storage
130,738 acre-ft
Year Completed
1883
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
25,773 cfs

Condition Assessment

FairLast inspected: 2022-07-26

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

Condition Assessment: Fair — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
ME00025
State
Maine (ME)
Coordinates
44.77590, -70.92070
Age
143 years

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.