FRS Facility Detail Report


US ANTIMONY CORP

EPA Registry Id: 110000497472
1250 PROSPECT CREEK ROAD
THOMPSON FALLS, MT 598739520


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:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
US ANTIMONY MINE & MILL MTD050261833 LQG (Y) RCRAINFO
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXICS RELEASE INVENTORY SYSTEM
UNITED STATES ANTIMONY CORP 59873NTDST1250P TRI REPORTER TRIS 03/11/2021
MONTANA - CONSOLIDATED ENVIRONMENTAL DATA ACQUISITION AND RETRIEVAL SYSTEM
US ANTIMONY CORP 121613 STATE MASTER MT-CEDARS
FITS-138622
AIR PROGRAM
ICIS-AIR (AIR)
US ANTIMONY MINE & MILL MT0000003008900006 AIR SYNTHETIC MINOR ICIS 05/18/2015
INTEGRATED COMPLIANCE INFORMATION SYSTEM UNITED STATES ANTIMONY CORPORATION 7731284 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 09/28/2005
EMISSION INVENTORY SYSTEM (EIS)
US ANTIMONY MINE & MILL 7765711 AIR SYNTHETIC MINOR EIS 11/13/2024
MONTANA - CONSOLIDATED ENVIRONMENTAL DATA ACQUISITION AND RETRIEVAL SYSTEM
US ANTIMONY MINE & MILL 122 STATE MASTER MT-CEDARS
FITS-138536
AIR PROGRAM
INTEGRATED COMPLIANCE INFORMATION SYSTEM UNITED STATE ANTIMONY CORPORATION 51713 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 06/24/2002
AIR FACILITY SYSTEM
US ANTIMONY MINE & MILL 3008900006 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 08/28/2014

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MT-CEDARS
1442
CONSTRUCTION SAND AND GRAVEL

AIR
3339
PRIMARY SMELTING AND REFINING OF NONFERROUS METALS, EXCEPT COPPER AND ALUMINUM

ICIS
1099
MISCELLANEOUS METAL ORES, NOT ELSEWHERE CLASSIFIED

MT-CEDARS
3339
PRIMARY SMELTING AND REFINING OF NONFERROUS METALS, EXCEPT COPPER AND ALUMINUM

AIRS/AFS
3339
PRIMARY SMELTING AND REFINING OF NONFERROUS METALS, EXCEPT COPPER AND ALUMINUM

Facility Codes and Flags

EPA Region: 08
Duns Number:
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 17010213 / LOWER CLARK FORK
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
UNITED STATES ANTIMONY CORP EIS
US ANTIMONY MINE & MILL EIS
U.S. ANTIMONY FRS
UNITED STATES ANTIMONY CORPORATION AIR
UNITED STATE ANTIMONY CORPORATION ICIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
REGULATORY CONTACT
UNITED STATES ANTIMONY CORPORATION
MT-CEDARS
View
PARENT COMPANY
UNITED STATES ANTIMONY CORPORATION
EIS


PERMITTEE
UNITED STATES ANTIMONY CORPORATION
AIR
View
OWNER
UNITED STATES ANTIMONY CORPORATION
RCRAINFO


REGULATORY CONTACT
UNITED STATES ANTIMONY CORPORATION
MT-CEDARS
View
REGULATORY CONTACT
UNITED STATES ANTIMONY CORPORATION
MT-CEDARS
View
OPERATOR
UNITED STATES ANTIMONY CORPORATION
RCRAINFO
View
OPERATOR
UNITED STATES ANTIMONY CORPORATION
RCRAINFO


PERMITEE
UNITED STATES ANTIMONY CORPORATION
AIR
View
OWNER
UNITED STATES ANTIMONY CORPORATION
RCRAINFO
View
REGULATORY CONTACT
UNITED STATES ANTIMONY CORPORATION
MT-CEDARS
View
OPERATOR
UNITED STATES ANTIMONY CORPORATION
RCRAINFO
View
OWNER
UNITED STATES ANTIMONY CORPORATION
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 212299 ALL OTHER METAL ORE MINING.
MT-CEDARS 331419 PRIMARY SMELTING AND REFINING OF NONFERROUS METAL (EXCEPT COPPER AND ALUMINUM).
TRIS 331410

AIR 331410

RCRAINFO 212290

EIS 331410

AIRS/AFS 331410

RCRAINFO 331410

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS PO BOX 643 THOMPSON FALLS MT 59873 TRIS
PERMITTEE P.O. BOX 643 BENAVIDES TX 78341 AIR
OWNER PROSPECT CREEK RD THOMPSON FALLS MT 59873 RCRAINFO
OWNER P.O. BOX 643 THOMPSON FALLS MT 59873 RCRAINFO
REGULATORY CONTACT PO BOX 643 THOMPSON FALLS MT 59873 MT-CEDARS
PERMITEE P.O. BOX 643 THOMPSON FALLS MT 59873 AIR
OPERATOR P.O. BOX 643 THOMPSON FALLS MT 59873 RCRAINFO
REGULATORY CONTACT P.O. BOX 643 THOMPSON FALLS MT 59873 MT-CEDARS
FACILITY MAILING ADDRESS P.O. BOX 643 THOMPSON FALLS MT 59873 AIRS/AFS
FACILITY MAILING ADDRESS PO BOX 643 THOMPSON FALLS MT 59873 RCRAINFO
REGULATORY CONTACT PO BOX 643 THOMPSON FALLS MT 59873 RCRAINFO
OPERATOR PROSPECT CREEK RD THOMPSON FALLS MT 59873 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
PUBLIC CONTACT
ALICIA
4068273523
TRIS


UNKNOWN CONTACT
MARILYN SINK


ICIS


REGULATORY CONTACT
JOHN C GUSTAVSEN
406-827-3543
RCRAINFO
View

Query executed on: OCT-14-2025


Additional information for CERCLIS or TRI sites:

This information resource is not maintained, managed, or owned by the Environmental Protection Agency (EPA) or the Envirofacts Support Team. Neither the EPA nor the Envirofacts Support Team is responsible for their content or site operation. The Envirofacts Warehouse provides this reference only as a convenience to our Internet users.

  • National Library of Medicine (NLM) TOXMAP