FRS Facility Detail Report


ARCH OF WY_SEMINOE II MINE

EPA Registry Id: 110020782125
ARCH MINERAL CORP OF WYO SEMINOE II MINE
HANNA, WY 82327


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
ARCH OF WY_SEMINOE II MINE 5600700030 AIR MINOR (OPERATING) AIRS/AFS 12/03/2013
ICIS-AIR (AIR)
ARCH OF WY_SEMINOE II MINE WY0000005600700030 AIR MINOR ICIS 10/19/2014
EMISSION INVENTORY SYSTEM (EIS)
SEMINOE II MINE 6827011 AIR MINOR EIS 09/24/2024
AIR QUALITY SYSTEM
ARCH MINERAL CORP OF WYO SEMINOE II MINE 826 SITE 17741 AIR MONITORING SITE AQS SITES TRANSACTION

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
1221
BITUMINOUS COAL AND LIGNITE SURFACE MINING

AIR
1221
BITUMINOUS COAL AND LIGNITE SURFACE MINING

Facility Codes and Flags

EPA Region: 08
Duns Number:
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 10180003 / PATHFINDER-SEMINOE RESERVOIRS
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
ARCH MINERAL CORP OF WYO SEMINOE II MINE 826 SITE AIRS/AQS
SEMINOE II MINE PCS
ARCH OF WYOMING INC NPDES PERMIT

Organizations

No Organizations returned.

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 212111 BITUMINOUS COAL AND LIGNITE SURFACE MINING.
EIS 212114

AIRS/AFS 212111 BITUMINOUS COAL AND LIGNITE SURFACE MINING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS P.O. BOX 460 HANNA WY 82327 AIRS/AFS
FACILITY MAILING ADDRESS P.O. BOX 460 HANNA WY 82327 AIR

Contacts

No Contacts returned.

Query executed on: OCT-15-2025