Long Pond

Long Pond is a concrete dam located in Somerset County, Maine, built in 1918. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Long Pond

The primary purpose of Long Pond is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Dole Brook.

The dam stands 12 feet tall and stretches 656 feet across, creates a reservoir covering 960 acres, has a maximum storage capacity of 3,007 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1918, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/12/2018.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountySomerset
River/StreamDole Brook
Coordinates45.98400, -70.16940

Physical Characteristics

Dam TypeConcrete
NID Height12 ft
Dam Height12 ft
Dam Length656 ft
Year Completed1918 (108 years old)

Storage & Hydraulics

NID Storage3,007 acre-ft
Max Storage3,007 acre-ft
Normal Storage3,007 acre-ft
Surface Area960 acres
Drainage Area14 sq mi
Spillway TypeNone

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection07/12/2018
Emergency Action PlanNot Required

Identifiers

NID IDME00214
Federal IDME00214
More InfoState Dam Safety Program

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