INLAND STEEL T - MN00670-2648
Dam Name: INLAND STEEL T
State: MN
Downstream Hazard Potential: S
Incident Type: Failure
Incident Date: 04/07/2014
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDMN00670-2648
Incident DescriptionTailings basin decant water could not flow back to reclaim pond due to ice blockage in decant diversion ditch. Overtopped and failed.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)
Response
Volume released at failure (ac-ft)114,565 cubic feet of material; amount of water unknown
Additional Remarks or Updates
Owner TypeP
Dam TypeRE
Primary Purpose(s)ST
EAPNR
Dam Height55 ft
Max Storage (ac-ft)14500.00
Surface Area (acres)1800.00
Year Completed1976
NID NumberMN00670
River NameWUORI CREEK-CLOSED SYSTEM
Latitude47.6025
Longitude-92.4607
Year Modified
Regulatory Agency(ies)MNDNR WATERS
Incident Time
Incident Duration<95 hours
Incident Report ProducedYes
Information SourcesOwner; MN DNR Dam Safety files.
