Ninth Street

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyAlpena
Nearest CityAlpena
River/StreamThunder Bay
Coordinates45.07190, -83.43710

Physical Characteristics

Dam TypeGravity
NID Height24 ft
Dam Height24 ft
Dam Length1,340 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage6,000 acre-ft
Max Storage6,000 acre-ft
Normal Storage6,000 acre-ft
Surface Area700 acres
Drainage Area1,275 sq mi
Max Discharge20,593 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerEagle Creek Renewable Energies, LLC Parent Org (CRO)
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/24/2022
Emergency Action PlanYes

Identifiers

NID IDMI00188
Federal IDMI00188
More InfoState Dam Safety Program

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