Foss Mill

Foss Mill is an arch dam located in Waldo County, Maine, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Foss Mill

The primary purpose of Foss Mill 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 Lesia Sochor (private). It impounds the Marsh Stream near Brooks.

The dam stands 13 feet tall and stretches 150 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1981, the structure is 45 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 08/23/2019.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyWaldo
Nearest CityBrooks
River/StreamMarsh Stream
Coordinates44.52400, -69.14680

Physical Characteristics

Dam TypeArch
NID Height13 ft
Dam Height13 ft
Dam Length150 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage90 acre-ft
Surface Area20 acres
Drainage Area9 sq mi
Max Discharge4,073 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerLesia Sochor
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection08/23/2019
Emergency Action PlanNot Required

Identifiers

NID IDME83023
Federal IDME83023
More InfoState Dam Safety Program

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