Hillman

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyMontmorency
Nearest CityHillman
River/StreamThunder Bay
Coordinates45.06160, -83.90350

Physical Characteristics

Dam TypeGravity
NID Height16 ft
Dam Height16 ft
Dam Length128 ft
Year Completed1895 (131 years old)

Storage & Hydraulics

NID Storage500 acre-ft
Max Storage500 acre-ft
Normal Storage500 acre-ft
Surface Area160 acres
Drainage Area249 sq mi
Max Discharge2,100 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/17/2019
Emergency Action PlanNot Required

Identifiers

NID IDMI00173
Federal IDMI00173
More InfoState Dam Safety Program

Nearby Dams