White Pine Mine North Tailings Dam #2

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyOntonagon
Nearest CityNone
River/StreamNative Creek
Coordinates46.79167, -89.51667

Physical Characteristics

Dam TypeEarth
NID Height75 ft
Dam Height75 ft
Dam Length42,240 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage39,000 acre-ft
Max Storage39,000 acre-ft
Normal Storage27,000 acre-ft
Surface Area900 acres
Drainage Area13 sq mi
Max Discharge580 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeTailings
OwnerINMET Mining Company
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/16/2019
Emergency Action PlanYes

Identifiers

NID IDMI00269
Federal IDMI00269
More InfoState Dam Safety Program

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