Mechanic Falls

Mechanic Falls is a masonry dam located in Androscoggin County, Maine, built in 1866. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Mechanic Falls

The primary purpose of Mechanic Falls is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Kei (maine) Power Management (iv) Llc (private). It impounds the Little Androscoggin River near Mechanic Falls.

The dam stands 15 feet tall and stretches 172 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 103 acre-feet, and collects water from a drainage area of 250 square miles. Completed in 1866, the structure is one of the older dams in the region, with over a century and a half of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/15/2018.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyAndroscoggin
Nearest CityMechanic Falls
River/StreamLittle Androscoggin River
Coordinates44.11110, -70.39170

Physical Characteristics

Dam TypeMasonry
NID Height15 ft
Dam Height15 ft
Dam Length172 ft
Year Completed1866 (160 years old)

Storage & Hydraulics

NID Storage103 acre-ft
Max Storage103 acre-ft
Normal Storage103 acre-ft
Surface Area27 acres
Drainage Area250 sq mi
Max Discharge1,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerKEI (Maine) Power Management (IV) LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/15/2018
Emergency Action PlanNot Required

Identifiers

NID IDME00379
Federal IDME00379
More InfoState Dam Safety Program

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