Bonny Eagle

Bonny Eagle is a concrete dam located in York County, Maine, built in 1911. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Bonny Eagle

The primary purpose of Bonny Eagle 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 Brookfield Renewable Power Llc Nyro (private). It impounds the Saco River near Hollis.

The dam stands 67 feet tall and stretches 784 feet across, creates a reservoir covering 347 acres, has a maximum storage capacity of 2,320 acre-feet, and collects water from a drainage area of 1,563 square miles. Completed in 1911, 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 09/19/2018.

At 67 feet, this dam is taller than 96% of all dams in the United States.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyYork
Nearest CityHollis
River/StreamSaco River
Coordinates43.68790, -70.61180

Physical Characteristics

Dam TypeConcrete
NID Height67 ft
Dam Height67 ft
Dam Length784 ft
Year Completed1911 (115 years old)

Storage & Hydraulics

NID Storage2,320 acre-ft
Max Storage2,320 acre-ft
Normal Storage2,320 acre-ft
Surface Area347 acres
Drainage Area1,563 sq mi
Spillway TypeNone

Ownership & Safety

PurposeHydroelectric
OwnerBrookfield Renewable Power LLC NYRO
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/19/2018
Emergency Action PlanNot Required

Identifiers

NID IDME00036
Federal IDME00036
More InfoState Dam Safety Program

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