FRS Facility Detail Report


TILDEN MINING COMPANY L C

EPA Registry Id: 110041006416
1 TILDEN MINE ROAD PO BOX 2000
ISHPEMING, MI 49849-0901


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
AIR FACILITY SYSTEM
TILDEN MINING COMPANY LC 2610300011 AIR MAJOR (OPERATING) AIRS/AFS 06/20/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXIC SUBSTANCES CONTROL ACT
TILDEN MINING COMPANY L C 100608316 TSCA SUBMITTER TSCA 08/13/2012
NATIONAL COMPLIANCE DATABASE
TILDEN MINING CO CLEVELAND CLIFFS IRON I05#19900731MI016 1 COMPLIANCE ACTIVITY NCDB

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
TILDEN MINING CO MI0038369 ICIS-NPDES MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXIC SUBSTANCES CONTROL ACT
TILDEN MINING COMPANY L C TSCA8536 TSCA SUBMITTER TSCA

INTEGRATED COMPLIANCE INFORMATION SYSTEM CLIFFS DISTRICT LAB 10008 FORMAL ENFORCEMENT ACTION ICIS 07/26/1999 ICIS-05-1992-0206
FORMAL ENFORCEMENT ACTION
ICIS-05-1992-0159
FORMAL ENFORCEMENT ACTION
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
TILDEN MINING COMPANY L C 1004458 GREENHOUSE GAS REPORTER E-GGRT 03/17/2018
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
TILDEN MINING CO LC MID083290551 SQG (Y) RCRAINFO

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
EAGLE MINE LLC MID008857831 VSQG (Y) RCRAINFO

NATIONAL COMPLIANCE DATABASE
TILDEN MINING CO D05#TSCA-V-C-012-93 COMPLIANCE ACTIVITY NCDB

ICIS-AIR (AIR)
TILDEN MINING COMPANY LC MI00000000000B4885 AIR MAJOR ICIS 07/29/2025

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
1011
IRON ORES

ICIS
1011
IRON ORES

NPDES
1011
IRON ORES

NCDB
OT



AIR
1011
IRON ORES

Facility Codes and Flags

EPA Region: 05
Duns Number: 154543805, 147964571
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 04020105 / DEAD-KELSEY
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
CLIFFS DISTRICT LAB STATE INSPECTION
TILDEN MINING COMPANY LC AIR
TILDEN MINING CO AIR
TILDEN MINING CO CLEVELAND CLIFFS IRON ICIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PART PARENT OWNER
UNITED STATES STEEL CORPORATION
E-GGRT


PARENT OWNER
CLEVELAND-CLIFFS
E-GGRT


PARENT COMPANY
CLIFFS NATURAL RESOURCES 147964571
TSCA
View
OPERATOR
NO ACTIVE O/OP AS NOT GENERATING WASTE
RCRAINFO


OWNER
EAGLE MINE LLC
RCRAINFO


PART PARENT OWNER
US STEEL CORP
E-GGRT


PARENT COMPANY
CLIFFS NATURAL RESOURCES
TSCA
View
OWNER
TILDEN MINING COMPANY L.C.
RCRAINFO


OPERATOR
EAGLE MINE LLC
RCRAINFO


OPERATOR
TILDEN MINING COMPANY L.C.
RCRAINFO


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 212210 IRON ORE MINING.
RCRAINFO 213114 SUPPORT ACTIVITIES FOR METAL MINING.
NPDES 212210 IRON ORE MINING.
E-GGRT 212210 IRON ORE MINING.
RCRAINFO 21221 IRON ORE MINING
AIRS/AFS 212210 IRON ORE MINING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS NATIONAL MINE NATIONAL MINE MI 49865 AIRS/AFS
PARENT COMPANY 200 PUBLIC SQUARE CLEVELAND MS 44114-2375 TSCA
FACILITY MAILING ADDRESS PO BOX 2000 ISHPEMING MI 49849 RCRAINFO
FACILITY MAILING ADDRESS NATIONAL MINE NATIONAL MINE MI 49865 AIR
FACILITY MAILING ADDRESS 4547 COUNTY RD 601 CHAMPION MI 49814 RCRAINFO
PARENT COMPANY 200 PUBLIC SQUARE CLEVELAND OH 44114-2375 TSCA
MAILING ADDRESS (UNKNOWN ADDRESS) (UNKNOWN CITY) MI 00000 NPDES

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
TECHNICAL CONTACT
MR. THOMAS OBRIEN


TSCA


COMPLIANCE CONTACT
EUGENE R MAKI
9064753447
AIR


REGULATORY CONTACT
THOMAS W OBRIEN
906-475-3306
RCRAINFO


UNKNOWN CONTACT
EUGENE R MAKI
9064753447
AIR


REGULATORY CONTACT
THOMAS W OBRIEN
9064753306
RCRAINFO


UNKNOWN CONTACT
EUGENE R MAKI
9064753447
AIRS/AFS


COMPLIANCE CONTACT
EUGENE R MAKI
9064753447
AIRS/AFS


REGULATORY CONTACT
AMANDA S ZEIDLER
9062046500
RCRAINFO


REGULATORY CONTACT
AMANDA S ZEIDLER
906-204-6500
RCRAINFO


Query executed on: OCT-14-2025