Orono

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyPenobscot
Nearest CityOrono
River/StreamStillwater River
Coordinates44.88328, -68.66488

Physical Characteristics

Dam TypeConcrete
NID Height15 ft
Dam Height15 ft
Dam Length1,178 ft
Year Completed1917 (109 years old)

Storage & Hydraulics

NID Storage1,300 acre-ft
Max Storage1,300 acre-ft
Normal Storage1,300 acre-ft
Surface Area175 acres
Drainage Area7,710 sq mi
Max Discharge48,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerBlack Bear Hydro Partners, LLC, Black Bear Development Holdings, LLC & Black Bear SO, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/13/2022
Emergency Action PlanNot Required

Identifiers

NID IDME00138
Federal IDME00138
More InfoState Dam Safety Program

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