South Berwick

South Berwick is a concrete dam located in York County, Maine, built in 1923. It carries a Low hazard potential classification.

About South Berwick

The primary purpose of South Berwick 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 (usa) Power Management Inc. (private). It impounds the Great Works.

The dam stands 38 feet tall and stretches 500 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 960 acre-feet, and collects water from a drainage area of 86 square miles. Completed in 1923, the structure is over a century old.

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. The most recent inspection on record was 12/16/2005. That was over 20 years ago.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyYork
River/StreamGreat Works
Coordinates43.21846, -70.81077

Physical Characteristics

Dam TypeConcrete
NID Height38 ft
Dam Height38 ft
Dam Length500 ft
Year Completed1923 (103 years old)

Storage & Hydraulics

NID Storage960 acre-ft
Max Storage960 acre-ft
Normal Storage900 acre-ft
Surface Area37 acres
Drainage Area86 sq mi

Ownership & Safety

PurposeHydroelectric
OwnerKEI (USA) Power Management Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/16/2005
Emergency Action PlanNot Required

Identifiers

NID IDME00062
Federal IDME00062
More InfoState Dam Safety Program

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