Hydro-kennebec

Hydro-kennebec is a concrete dam located in Kennebec County, Maine, built in 1989. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Hydro-kennebec

The primary purpose of Hydro-kennebec is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Kennebec River near Waterville.

The dam stands 35 feet tall and stretches 835 feet across, creates a reservoir covering 250 acres, has a maximum storage capacity of 3,900 acre-feet, and collects water from a drainage area of 4,270 square miles. Completed in 1989, the structure is 37 years 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 06/23/2022.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyKennebec
Nearest CityWaterville
River/StreamKennebec River
Coordinates44.56390, -69.62030

Physical Characteristics

Dam TypeConcrete
NID Height35 ft
Dam Height35 ft
Dam Length835 ft
Year Completed1989 (37 years old)

Storage & Hydraulics

NID Storage3,900 acre-ft
Max Storage3,900 acre-ft
Normal Storage3,900 acre-ft
Surface Area250 acres
Drainage Area4,270 sq mi
Max Discharge190,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/23/2022
Emergency Action PlanNot Required

Identifiers

NID IDME00083
Federal IDME00083
More InfoState Dam Safety Program

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