Northshore Mining

High Hazard ConditionEmergency Action Plan: Yes

Location

StateMinnesota
CountyLake
Nearest CitySilver Bay
River/StreamBeaver R-TR OS
Coordinates47.27508, -91.36606

Physical Characteristics

Dam TypeEarth
NID Height100 ft
Dam Length26,000 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage31,500 acre-ft
Max Storage31,500 acre-ft
Normal Storage15,750 acre-ft
Surface Area1,575 acres
Drainage Area3 sq mi

Ownership & Safety

PurposeTailings
OwnerCliff-Erie
Owner TypePrivate
Hazard ClassificationHigh
Last Inspection10/08/2024
Emergency Action PlanYes

Identifiers

NID IDMN01477
Federal IDMN01477
More InfoState Dam Safety Program