FRS Facility Detail Report

HF SINCLAIR CASPER REFINING LLC

EPA Registry Id: 110011942719
5700 EAST HIGHWAY 20-26
CASPER, WY 82609

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:
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE	HF SINCLAIR CASPER REFINING LLC	CEDRI93121	COMPLIANCE AND EMISSIONS REPORTING	CEDRI	05/11/2023
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)	HF SINCLAIR - CASPER, WYOMING REFINERY	WYU000005	ICIS-NPDES UNPERMITTED	ICIS
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)	HF SINCLAIR - CASPER, WYOMING REFINERY	WYU000005	STORM WATER INDUSTRIAL	ICIS
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM	HF SINCLAIR CASPER REFINING LLC	WYD048743009	LQG (Y)	RCRAINFO		ICIS- ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM	SINCLAIR OIL CASPER REFINERY	2655860	ENFORCEMENT/COMPLIANCE ACTIVITY	ICIS	09/30/2002
INTEGRATED COMPLIANCE INFORMATION SYSTEM	SINCLAIR OIL CORP. AND LITTLE AMERICA REFINING CO.	52646	ENFORCEMENT/COMPLIANCE ACTIVITY	ICIS	06/24/2002
INTEGRATED COMPLIANCE INFORMATION SYSTEM	TANK FARM (LITTLE AMERICA REFINING CO.)	52693	ENFORCEMENT/COMPLIANCE ACTIVITY	ICIS	08/12/2002
INTEGRATED COMPLIANCE INFORMATION SYSTEM	LITLE AMERICA REFINING COMPANY	96	FORMAL ENFORCEMENT ACTION	ICIS	01/30/2002	ICIS-08-1986-0134 FORMAL ENFORCEMENT ACTION ICIS-08-1991-0132 FORMAL ENFORCEMENT ACTION ICIS-08-1988-0061 FORMAL ENFORCEMENT ACTION ICIS-08-1991-0131 FORMAL ENFORCEMENT ACTION ICIS-08-1989-0067 FORMAL ENFORCEMENT ACTION ICIS-08-1998-0196 FORMAL ENFORCEMENT ACTION ICIS-08-1989-0012 FORMAL ENFORCEMENT ACTION
AIR FACILITY SYSTEM	SINCLAIR CASPER REFINING CO - CASPER	5602500005	AIR MAJOR (OPERATING)	AIRS/AFS	05/01/2014	ICIS- ENFORCEMENT/COMPLIANCE ACTIVITY
TOXICS RELEASE INVENTORY SYSTEM	HF SINCLAIR CASPER REFINING LLC	82609LTTLM5700E	TRI REPORTER	TRIS	02/06/2023
NATIONAL COMPLIANCE DATABASE	SINCLAIR OIL CORP.(LITTLE AMERICA REFINR	I08#2002062513256 1	COMPLIANCE ACTIVITY	NCDB	11/06/2002
TOXIC SUBSTANCES CONTROL ACT	SINCLAIR CASPER REFINING COMPANY	TSCA4439	TSCA SUBMITTER	TSCA	11/14/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)	HF SINCLAIR CASPER REFINING LLC	WYPU00002	ICIS-NPDES MINOR	ICIS
INTEGRATED COMPLIANCE INFORMATION SYSTEM	SINCLAIR OIL	7425290	ENFORCEMENT/COMPLIANCE ACTIVITY	ICIS	06/22/2005
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)	SINCLAIR CASPER REFINING COMPANY	1007218	GREENHOUSE GAS REPORTER	E-GGRT
INTEGRATED COMPLIANCE INFORMATION SYSTEM	SINCLAIR OIL CASPER REFINERY	2655860	FORMAL ENFORCEMENT ACTION	ICIS	01/18/2013
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE	HF SINCLAIR CASPER REFINING LLC	CEDRI10165800	COMPLIANCE AND EMISSIONS REPORTING	API	05/11/2023
ICIS-AIR (AIR)	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC)	WY0000005602500005	AIR MAJOR	ICIS	07/24/2023
TOXICS RELEASE INVENTORY SYSTEM	HF SINCLAIR CASPER REFINING LLC	8260WHFSNC57EHI	TRI REPORTER	API	06/20/2023
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM	HF SINCLAIR CASPER REFINING LLC	WYD048743009	TSD (Y)	RCRAINFO		ICIS- ENFORCEMENT/COMPLIANCE ACTIVITY
RISK MANAGEMENT PLAN	HF SINCLAIR CASPER REFINING LLC	100000144943	RMP REPORTER	RMP	01/19/2023
TOXIC SUBSTANCES CONTROL ACT	SINCLAIR OIL	TSCA4441	TSCA SUBMITTER	TSCA
INTEGRATED COMPLIANCE INFORMATION SYSTEM	LITTLE AMERICA REFINING CO.	52184	ENFORCEMENT/COMPLIANCE ACTIVITY	ICIS	06/16/2002

Additional EPA Reports:

MyEnvironment Enforcement and Compliance Site Demographics Facility Coordinates Viewer Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source	SIC Code	Description
ICIS	2911	PETROLEUM REFINING
AIR	2911	PETROLEUM REFINING
ICIS	2911	PETROLEUM REFINING
AIRS/AFS	2911	PETROLEUM REFINING

Facility Codes and Flags

EPA Region:	08
Duns Number:	079959185, 789588936
Congressional District Number:	01
Legislative District Number:
HUC Code/Watershed:	10180007 / MIDDLE NORTH PLATTE-CASPER
US Mexico Border Indicator:
Federal Facility:	NO
Tribal Land:

Alternative Names

Alternative Name	Source of Data
SINCLAIR OIL CORP (PREVIOUSLY LITTLE AMERICA REFINING COMPANY)	MANUAL ENTRY
SINCLAIR OIL	TSCA
CASPER REFINERY (OWNER: SINCLAIR CASPER REFINING COMPANY)	AIR
SINCLAIR OIL CORP. CASPER REFY.	TRIS
CASPER REFINERY	OTAQREG
SINCLAIR CASPER REFINING COMPANY	E-GGRT
SINCLAIR OIL CORP.(LITTLE AMERICA REFINR	NCDB
TANK FARM (LITTLE AMERICA REFINING CO.)	ICIS
LITLE AMERICA REFINING COMPANY	HAZARDOUS WASTE REPORT
LITTLE AMERICA REFINING	CATS
SINCLAIR LITTLE AMERICA REFINERY	FRP
SINCLAIR OIL CORP. - CASPER, WYOMING REFINERY	FRP
SINCLAIR OIL CORP. AND LITTLE AMERICA REFINING CO.	CATS
SINCLAIR CASPER REFINING CO - CASPER	AIRS/AFS
LITTLE AMERICA REFIN	AIR VOLUNTARY SUBMISSION
SINCLAIR OIL CASPER REFINERY	ICIS

Organizations

Affiliation Type	Name	DUNS Number	Information System	Mailing Address
PREPARER	SAGE ATC ENVIRONMENTAL CONSULTING LLC		RMP	View
OWNER/OPERATOR	HF SINCLAIR CORPORATION	789588936	RMP	View
PARENT OWNER	THE SINCLAIR COMPANIES		E-GGRT
PARENT COMPANY	SINCLAIR OIL CORP	079959185	TRIS
OPERATOR	SINCLAIR CASPER REFINING COMPANY		RCRAINFO	View
PARENT COMPANY 1	SINCLAIR OIL CORPORATION		RMP

National Industry Classification System Codes (NAICS)

Data Source	NAICS Code	Description
RCRAINFO	32411	PETROLEUM REFINERIES
AIRS/AFS	324110	PETROLEUM REFINERIES.
RMP	32411	PETROLEUM REFINERIES
AIR	324110	PETROLEUM REFINERIES.
TRIS	324110	PETROLEUM REFINERIES.
E-GGRT	324110	PETROLEUM REFINERIES.

Facility Mailing Addresses

Affiliation Type	Delivery Point	City Name	State	Postal Code	Information System
PREPARER	2270 SPRINGLAKE ROAD	FARMERS BRANCH	TX	75234	RMP
OWNER/OPERATOR	5700 EAST HIGHWAY 20-26	CASPER	WY	82609	RMP
OWNER	5700 E HIGHWAY 20/26	CASPER	WY	82609	RCRAINFO
REGULATORY CONTACT	P.O. BOX 510	EVANSVILLE	WY	82636	RCRAINFO
MAILING ADDRESS	PO BOX 510	EVANSVILLE	WY	82636	CEDRI
MAILING ADDRESS	PO BOX 510	EVANSVILLE	WY	82636	TRIS
OPERATOR	5700 EAST HIGHWAY 20/26	CASPER	WY	82609	RCRAINFO
FACILITY MAILING ADDRESS	P.O. BOX 510	EVANSVILLE	WY	82636	RCRAINFO
FACILITY MAILING ADDRESS	PO BOX 510	EVANSVILLE	WY	82636	AIR
FACILITY MAILING ADDRESS	PO BOX 510	EVANSVILLE	WY	82636	AIRS/AFS

Contacts

Affiliation Type	Full Name	Office Phone	Information System	Mailing Address
EMERGENCY CONTACT	BRUCE SOWERS	3072322489	RMP
TECHNICAL CONTACT	S.V. ROGERS	3072652800	TRIS

Query executed on: MAY-03-2025

Additional information for CERCLIS or TRI sites:

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