Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
WYOMING REFINING CO.-NEWCASTLE REFINERY
Quick Summary
- •Released 18,947 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of PFAS ("forever chemicals").
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
10 STAMPEDE STREET
NEWCASTLE, WY 82701
View on map ↗ - County
- WESTON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324110
- Inspections
- 14 · last Sep 30, 2025
- Total Penalties
- $0 · last May 20, 2019
- Registry ID
- 110000468226
How This Compares
#18
of 64 TRI reporters in WY
#2,909
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
3
Hazardous Waste (RCRA)
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2015–2024)
+121% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 7,917 | — |
| 2016 | 13,544 | +71% |
| 2017 | 18,947 | +40% |
| 2018 | 20,010 | +6% |
| 2019 | 4,518 | -77% |
| 2020 | 13,208 | +192% |
| 2021 | 14,825 | +12% |
| 2022 | 14,268 | -4% |
| 2023 | 16,769 | +18% |
| 2024 | 17,515 | +4% |
2024
2023
2022
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| 1-Propanesulfonic acid, 2-methyl-, 2-[[1-oxo-3-[(�-�-perfluoro-C4-16-alkyl)thio]propyl]amino] derivs., sodium salts | — | — | — | — | — | PFAS |
| Thiols, C8-20, �-�-perfluoro, telomers with acrylamide | — | — | — | — | — | PFAS |
| Toluene | 3,515 | 1,513 | — | 2,002 | — | |
| n-Hexane | 2,061 | 1,444 | — | 617 | — | |
| Propylene | 2,036 | 2,036 | — | — | — | |
| Xylene (mixed isomers) | 1,605 | 1,330 | — | 275 | — | |
| Hydrogen fluoride | 1,419 | 1,419 | — | — | — | |
| Benzene | 1,386 | 834 | — | 552 | 35 | ♦ Carcinogen |
| Ammonia | 1,014 | 166 | 848 | — | — | |
| Hydrogen sulfide | 442 | 442 | — | — | — | |
| Ethylbenzene | 354 | 219 | — | 135 | — | ♦ Carcinogen |
| Cyclohexane | 340 | 340 | — | — | — | |
| Cumene | 247 | 247 | — | — | — | ♦ Carcinogen |
| 1,3-Butadiene | 148 | 148 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 112 | 112 | — | — | — | |
| Naphthalene | 83 | 44 | — | 39 | — | ♦ Carcinogen |
| Styrene | 31 | 31 | — | — | — | ♦ Carcinogen |
| Ethylene | 28 | 28 | — | — | — | |
| Cresol (mixed isomers) | 2 | 2 | — | — | — | |
| Methanol | 2 | 2 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| 1-Propanesulfonic acid, 2-methyl-, 2-[[1-oxo-3-[(�-�-perfluoro-C4-16-alkyl)thio]propyl]amino] derivs., sodium salts | — | — | — | — | — | PFAS |
| Thiols, C8-20, �-�-perfluoro, telomers with acrylamide | — | — | — | — | — | PFAS |
| Toluene | 3,180 | 1,400 | — | 1,781 | — | |
| Propylene | 1,910 | 1,910 | — | — | — | |
| n-Hexane | 1,877 | 1,322 | — | 555 | — | |
| Xylene (mixed isomers) | 1,449 | 1,193 | — | 256 | — | |
| Benzene | 1,325 | 813 | — | 512 | 23 | ♦ Carcinogen |
| Hydrogen fluoride | 898 | 898 | — | — | — | |
| Ammonia | 811 | 128 | 682 | — | — | |
| Hydrogen sulfide | 405 | 405 | — | — | — | |
| Cyclohexane | 361 | 361 | — | — | — | |
| Ethylbenzene | 327 | 207 | — | 121 | — | ♦ Carcinogen |
| Cumene | 235 | 235 | — | — | — | ♦ Carcinogen |
| 1,3-Butadiene | 189 | 189 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 106 | 106 | — | — | — | |
| Naphthalene | 77 | 42 | — | 35 | — | ♦ Carcinogen |
| Styrene | 38 | 38 | — | — | — | ♦ Carcinogen |
| Ethylene | 17 | 17 | — | — | — | |
| Methanol | 3 | 3 | — | — | — | |
| Cresol (mixed isomers) | 1 | 1 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 2,350 | 1,454 | — | 896 | — | |
| Benzene | 1,759 | 824 | — | 935 | 8 | ♦ Carcinogen |
| Hydrogen sulfide | 405 | 405 | — | — | — | |
| Methanol | 4 | 4 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Toluene | 4,952 | 1,516 | — | 3,435 | — | |
| n-Hexane | 3,956 | 3,098 | — | 858 | — | |
| Xylene (mixed isomers) | 2,540 | 1,368 | — | 1,171 | — | |
| Benzene | 2,121 | 1,210 | — | 911 | 11 | ♦ Carcinogen |
| Propylene | 2,085 | 2,085 | — | — | — | |
| Cyclohexane | 1,055 | 1,055 | — | — | — | |
| Hydrogen fluoride | 826 | 826 | — | — | — | |
| Ammonia | 778 | 128 | 650 | — | — | |
| Ethylbenzene | 451 | 226 | — | 225 | — | ♦ Carcinogen |
| Hydrogen sulfide | 404 | 404 | — | — | — | |
| Cumene | 272 | 272 | — | — | — | ♦ Carcinogen |
| Naphthalene | 198 | 59 | — | 139 | — | ♦ Carcinogen |
| 1,3-Butadiene | 145 | 145 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 116 | 116 | — | — | — | |
| Styrene | 71 | 71 | — | — | — | ♦ Carcinogen |
| Ethylene | 35 | 35 | — | — | — | |
| Methanol | 5 | 5 | — | — | — | |
| Cresol (mixed isomers) | 2 | 2 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Toluene | 5,048 | 2,094 | — | 2,954 | — | |
| n-Hexane | 4,045 | 3,205 | — | 840 | — | |
| Benzene | 1,948 | 1,128 | — | 820 | 6 | ♦ Carcinogen |
| Xylene (mixed isomers) | 1,902 | 843 | — | 1,059 | — | |
| Propylene | 1,859 | 1,859 | — | — | — | |
| Cyclohexane | 1,111 | 1,111 | — | — | — | |
| Hydrogen fluoride | 855 | 855 | — | — | — | |
| Ammonia | 712 | 128 | 584 | — | — | |
| Ethylbenzene | 409 | 222 | — | 186 | — | ♦ Carcinogen |
| Hydrogen sulfide | 404 | 404 | — | — | — | |
| Cumene | 230 | 230 | — | — | — | ♦ Carcinogen |
| Naphthalene | 174 | 42 | — | 132 | — | ♦ Carcinogen |
| 1,3-Butadiene | 124 | 124 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 84 | 84 | — | — | — | |
| Ethylene | 18 | 18 | — | — | — | |
| Styrene | 18 | 18 | — | — | — | ♦ Carcinogen |
| Methanol | 5 | 5 | — | — | — | |
| Cresol (mixed isomers) | 2 | 2 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Toluene | 4,152 | 1,238 | — | 2,913 | — | |
| n-Hexane | 3,112 | 2,284 | — | 828 | — | |
| Xylene (mixed isomers) | 1,624 | 566 | — | 1,058 | — | |
| Benzene | 1,228 | 414 | — | 814 | 0 | ♦ Carcinogen |
| Cyclohexane | 890 | 890 | — | — | — | |
| Hydrogen fluoride | 852 | 852 | — | — | — | |
| Ammonia | 512 | 128 | 384 | — | — | |
| Hydrogen sulfide | 404 | 404 | — | — | — | |
| Ethylbenzene | 300 | 117 | — | 184 | — | ♦ Carcinogen |
| Naphthalene | 170 | 39 | — | 131 | — | ♦ Carcinogen |
| Propylene | 122 | 122 | — | — | — | |
| 1,3-Butadiene | 104 | 104 | — | — | — | ♦ Carcinogen |
| Ethylene | 23 | 23 | — | — | — | |
| Cumene | 17 | 17 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 16 | 16 | — | — | — | |
| Styrene | 12 | 12 | — | — | — | ♦ Carcinogen |
| Methanol | 5 | 5 | — | — | — | |
| Cresol (mixed isomers) | 1 | 1 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| n-Hexane | 2,667 | 2,667 | — | — | — | |
| Cyclohexane | 1,371 | 1,371 | — | — | — | |
| Toluene | 1,104 | 1,104 | — | — | — | |
| Xylene (mixed isomers) | 544 | 544 | — | — | — | |
| Ammonia | 536 | — | 536 | — | — | |
| Benzene | 518 | 518 | — | — | 5 | ♦ Carcinogen |
| Hydrogen sulfide | 500 | 500 | — | — | — | |
| Hydrogen fluoride | 276 | 276 | — | — | — | |
| 1,3-Butadiene | 110 | 110 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 105 | 105 | — | — | — | ♦ Carcinogen |
| Propylene | 92 | 92 | — | — | — | |
| Naphthalene | 31 | 31 | — | — | — | ♦ Carcinogen |
| Ethylene | 15 | 15 | — | — | — | |
| 1,2,4-Trimethylbenzene | 15 | 15 | — | — | — | |
| Methanol | 14 | 14 | — | — | — | |
| Cumene | 13 | 13 | — | — | — | ♦ Carcinogen |
| Styrene | 4 | 4 | — | — | — | ♦ Carcinogen |
| Cresol (mixed isomers) | 1 | 1 | — | — | — |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Benzene | — | 15 | — | 3 |
| Hydrogen fluoride | — | — | — | 116,560 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
ALPHA OMEGA RECYCLING
LONGVIEW, TX
|
Benzene | — | 8 | — | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Benzene | — | 7 | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Benzene | — | — | — | 2 |
|
TDS COLLECTION SERVICES, INC.
TORRINGTON, WY
|
Benzene | — | — | — | 0 |
|
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
|
Benzene | — | — | — | 1 |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | Sep 30, 2025 | Jan 13, 2026 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 15, 2022 | Mar 15, 2022 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Large Quantity Handlers | Mar 15, 2022 | Mar 15, 2022 | Resolved |
| caa | HPV | Feb 3, 2017 | Aug 1, 2019 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 8, 2016 | Jun 8, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 24, 2014 | Apr 29, 2015 | Resolved |
| rcra | Standards for Used Oil: Generators | Sep 19, 2013 | Sep 19, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 19, 2013 | Apr 24, 2014 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Sep 1, 2011 | Sep 1, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 5, 2011 | Apr 13, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 25, 2010 | Nov 19, 2010 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Aug 25, 2010 | Nov 19, 2010 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Integration with Maximum Achievable Control Technology (MACT) Standards | Nov 12, 2009 | Oct 3, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Nov 12, 2009 | Oct 3, 2011 | Resolved |
| rcra | ID and Listing of HW: General | Nov 12, 2009 | Oct 3, 2011 | Resolved |
| rcra | Standards for Used Oil: Generators | Jul 7, 2009 | Jul 7, 2009 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | May 30, 2007 | Nov 15, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | May 30, 2007 | Nov 15, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 30, 2007 | Nov 15, 2007 | Resolved |
| rcra | Standards for Used Oil: Generators | May 22, 2006 | Jun 9, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 10, 2005 | Jun 16, 2005 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Aug 15, 2002 | Jun 9, 2003 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Sep 25, 2001 | Jun 9, 2003 | Resolved |
| rcra | Standards for Used Oil: Generators | Sep 28, 2000 | Sep 28, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 28, 2000 | Dec 8, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 24, 1999 | Aug 30, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Aug 24, 1999 | Aug 24, 1999 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 24, 1999 | Sep 28, 2000 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 13, 1998 | Dec 16, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 13, 1998 | Feb 10, 1999 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Application | Aug 13, 1998 | Feb 10, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Waste Piles | Aug 13, 1998 | Feb 10, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Aug 13, 1998 | Feb 10, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Surface Impoundments | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jul 29, 1997 | Apr 23, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 7, 1997 | Oct 14, 1997 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Sep 14, 1994 | Apr 30, 1996 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jan 24, 1992 | Apr 30, 1996 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Apr 27, 1990 | Jun 20, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Dec 16, 1988 | Apr 14, 1989 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Mar 20, 1986 | Jun 1, 1988 | Resolved |
| rcra | Violation of a formal enforcement agreement or order. (3008(a) or 3013) | Aug 18, 1981 | Jun 1, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 18, 1981 | Jun 1, 1988 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Aug 18, 1981 | Jun 1, 1988 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 08-2023-0148 · Apr 20, 2023
Judicial
Clean Air Act
· Case 3601119948 · May 20, 2019
$12,000
Notice of Violation
Clean Air Act
· Case 3601119947 · Jul 17, 2017
FINAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-011 · Jun 27, 2011
$224,171
Administrative - Formal
· Case 08-2010-0154 · Oct 1, 2010
$157,500
FINAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-010 · Jun 27, 2010
$331,802
Judicial
· Case 08-2006-0072 · Jun 17, 2009
$150,000
FINAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-001 · Jun 27, 2005
$202,647
INITIAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-000 · Apr 7, 1997
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-007 · May 9, 1990
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-006 · Jan 10, 1989
Judicial
· Case 08-1986-0120 · Jun 1, 1988
$25,000
INITIAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-003 · Sep 26, 1986
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-WYD043705102-002 · Jan 3, 1983
$60,850
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