EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

SMACKOVER REFINERY

Quick Summary

  • Released 7,415 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 $56,240 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
484 EAST 6TH
EL DORADO, AR 71762
View on map ↗
County
UNION County
Industry
Manufacturing
NAICS (North American Industry Classification)
324110
Inspections
4 · last Nov 10, 2025
Total Penalties
$56,240 · last Aug 22, 2025
Registry ID
110038160584

How This Compares

#132 of 316 TRI reporters in AR
#4,513 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.

1
Air (CAA)
Qtrs Non-Compliant
8
Water (CWA)
Qtrs Non-Compliant
2
Hazardous Waste (RCRA)
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) -99% overall
Year Total Releases (lbs) vs Prior Year
2015 12,389
2016 12,434 0%
2017 7,415 -40%
2018 457 -94%
2019 165 -64%
2020 519 +214%
2021 528 +2%
2022 461 -13%
2023 482 +4%
2024 149 -69%

2024

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Ethylbenzene ♦ Carcinogen
o-Xylene
n-Hexane
p-Xylene
Toluene 89 88 1 91
m-Xylene 56 56 1 72
Polycyclic aromatic compounds 3 3 2 ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
p-Xylene
n-Hexane 204 204 1 3,452
Toluene 106 105 1 3,607
m-Xylene 69 68 1 2,853
Ethylbenzene 58 57 0 1,472 ♦ Carcinogen
Benzene 31 31 0 711 ♦ Carcinogen
Polycyclic aromatic compounds 9 9 66 ♦ Carcinogen
o-Xylene 4 4 0 619

2022

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
p-Xylene
o-Xylene
n-Hexane 213 213 0 2,167
Toluene 109 108 1 2,264
m-Xylene 70 69 1 1,791
Ethylbenzene 61 60 0 924 ♦ Carcinogen
Polycyclic aromatic compounds 8 8 41 ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 223 223 0 918
Toluene 112 111 1 1,394
m-Xylene 68 67 0 1,183
Ethylbenzene 63 62 0 795 ♦ Carcinogen
Benzene 34 34 0 581 ♦ Carcinogen
p-Xylene 16 16 0 501
Polycyclic aromatic compounds 9 9 399 ♦ Carcinogen
o-Xylene 3 3 0 555

2020

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 216 216 1 829
Toluene 110 109 1 866
m-Xylene 69 68 1 686
Ethylbenzene 62 61 0 353 ♦ Carcinogen
Benzene 33 33 0 171 ♦ Carcinogen
p-Xylene 15 15 0 102
Polycyclic aromatic compounds 8 8 16 ♦ Carcinogen
o-Xylene 4 4 0 149

2019

Chemical Total (lbs) Air Water Land Off-Site
Toluene 113 110 1 2 11,807
Benzene 33 33 0 0 2,330 ♦ Carcinogen
p-Xylene 15 15 0 1,393
o-Xylene 3 3 0 0 2,027

2018

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 168 166 1 1 13,914
Toluene 111 108 1 2 14,538
m-Xylene 60 58 1 2 11,500
Ethylbenzene 56 55 0 1 5,934 ♦ Carcinogen
Benzene 32 32 0 0 9,375 ♦ Carcinogen
p-Xylene 14 14 0 1,716
Polycyclic aromatic compounds 13 13 265 ♦ Carcinogen
o-Xylene 3 3 0 0 2,495

2017

Chemical Total (lbs) Air Water Land Off-Site
Cyclohexane 4,191 4,191 32
Ethylbenzene 3,142 3,086 56 24 ♦ Carcinogen
Hydrogen sulfide 82 82 11
Polycyclic aromatic compounds 0 0 277 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Cyclohexane 8,606 8,606
Ethylbenzene 3,757 3,701 56 0 ♦ Carcinogen
Hydrogen sulfide 71 71
Polycyclic aromatic compounds 0 0 437 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 2 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Cyclohexane 8,611 8,606 5
Ethylbenzene 3,762 3,701 56 5 47 ♦ Carcinogen
Hydrogen sulfide 16 16 21
Polycyclic aromatic compounds 0 0 264 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 0 ♦ Carcinogen

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
m-Xylene 72
Toluene 91
Polycyclic aromatic compounds 2

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
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
m-Xylene 68
HERITAGE - CRYSTAL CLEAN LLC
LITTLE ROCK, AR
m-Xylene 4
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
Polycyclic aromatic compounds 2
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
Toluene 86
HERITAGE - CRYSTAL CLEAN LLC
LITTLE ROCK, AR
Toluene 5

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
caa Open
caa Open
caa Open
caa Open
rcra Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs Jan 21, 2026 Feb 18, 2026 Resolved
rcra Standards Applicable to Generators of HW: General Jan 21, 2026 Feb 18, 2026 Resolved
cwa Reporting Violations - Late Submittal of DMRs Sep 3, 2025 Open
cwa Reporting Violations - Late Submittal of DMRs Jul 25, 2024 Open
caa FRV Jul 2, 2024 Open
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Nov 2, 2023 Nov 14, 2023 Resolved
caa HPV May 7, 2020 Jul 20, 2021 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Sep 24, 2019 Dec 19, 2019 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Sep 24, 2019 Dec 19, 2019 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Sep 24, 2019 Oct 30, 2019 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Sep 24, 2019 Oct 30, 2019 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Sep 24, 2019 Oct 19, 2019 Resolved
cwa Schedule Event unachieved but reported Mar 31, 2019 Jan 13, 2020 Resolved
cwa Schedule Event achieved late but reported Mar 31, 2019 Open
cwa Schedule Event reported late Mar 31, 2019 Open
cwa Schedule Event unachieved and not reported Mar 31, 2019 Jan 13, 2020 Resolved
cwa Management Practice Violations - Violation of a milestone in an order Mar 24, 2019 Open
cwa Monitoring Violations - Analysis not Conducted Sep 30, 2018 Open
caa FRV Aug 16, 2018 Open
caa FRV Apr 15, 2016 Open
cwa Schedule Event unachieved and not reported Feb 1, 2016 Jan 13, 2020 Resolved
cwa Schedule Event reported late Feb 1, 2016 Open
cwa Schedule Event achieved late but reported Feb 1, 2016 Open
cwa Schedule Event unachieved but reported Feb 1, 2016 Jun 25, 2017 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Mar 2, 2015 Mar 12, 2015 Resolved
cwa Schedule Event achieved late but reported Feb 1, 2015 Open
cwa Schedule Event reported late Feb 1, 2015 Open
cwa Schedule Event unachieved and not reported Nov 17, 2014 Jan 13, 2020 Resolved
cwa Schedule Event reported late Nov 17, 2014 Open
cwa Schedule Event achieved late but reported Nov 17, 2014 Open
cwa Schedule Event unachieved but reported Nov 17, 2014 Jan 13, 2020 Resolved
cwa Schedule Event reported late Nov 17, 2014 Open
cwa Schedule Event achieved late but reported Nov 17, 2014 Open
cwa Schedule Event unachieved but reported Nov 17, 2014 Jan 13, 2020 Resolved
cwa Schedule Event unachieved and not reported Nov 17, 2014 Jan 13, 2020 Resolved
rcra Standards Applicable to Generators of HW: General Aug 20, 2014 Sep 16, 2014 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Aug 20, 2014 Sep 16, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Aug 20, 2014 Sep 16, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Aug 20, 2014 Sep 16, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Aug 20, 2014 Sep 16, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Aug 20, 2014 Sep 16, 2014 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Aug 20, 2014 Sep 16, 2014 Resolved
cwa Schedule Event achieved late but reported Feb 1, 2014 Open
cwa WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs May 21, 2013 Open
cwa WW Storm Water Non-Construction - Discharge without a permit May 21, 2013 Open
cwa Permit Violations - Violation Specified in Comment May 21, 2013 Open

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant Violation Reported Limit Exceedance Period Status
Oil & Grease DMR, Limited - Numeric Violation 23.00 mg/L 15.00 +53% Jan 2026 Open
Oil & Grease DMR, Limited - Numeric Violation 20.04 kg/d 19.08 +5% Jan 2026 Open
Oil & Grease DMR, Limited - Numeric Violation 13.68 mg/L 10.00 +37% Jan 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 34.40 kg/d 25.30 +36% Dec 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 20.96 kg/d 16.87 +24% Dec 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 20.51 kg/d 19.08 +7% Dec 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 29.00 mg/L 15.00 +93% Dec 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 13.97 mg/L 10.00 +40% Dec 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 50.37 kg/d 36.29 +39% Dec 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 15.10 mg/L 15.00 +1% Oct 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.80 mg/L 9.40 +4% Aug 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 5.70 kg/d 3.79 +51% Aug 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 14.19 kg/d 8.47 +68% Aug 2025 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 16.73 kg/d 16.22 +3% May 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 26.90 mg/L 15.00 +79% Apr 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 39.40 kg/d 36.29 +9% Apr 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 42.86 kg/d 36.29 +18% Feb 2025 Resolved
Oil & Grease DMR, Limited - Numeric Violation 26.90 mg/L 15.00 +79% Feb 2025 Resolved
Oil & Grease DMR, Limited - Numeric Violation 12.48 mg/L 10.00 +25% Feb 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 27.70 mg/L 15.00 +85% Jan 2025 Resolved
Oil & Grease DMR, Limited - Numeric Violation 47.63 kg/d 36.29 +31% Jan 2025 Resolved
Oil & Grease DMR, Limited - Numeric Violation 20.56 kg/d 19.08 +8% Jan 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 15.74 mg/L 10.00 +57% Jan 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 20.00 mg/L 15.00 +33% Dec 2024 Open
Oil & Grease DMR, Limited - Numeric Violation 19.30 mg/L 15.00 +29% Jul 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.70 kg/d 8.47 +15% Jul 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 106.26 kg/d 79.51 +34% Feb 2024 Open
Oil & Grease DMR, Limited - Numeric Violation 17.80 mg/L 15.00 +19% Nov 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 24.40 mg/L 9.40 +160% Oct 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.51 kg/d 3.79 +125% Oct 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 32.31 kg/d 8.47 +281% Oct 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 6.42 mg/L 4.20 +53% Oct 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 62.61 kg/d 50.94 +23% Jan 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 280.61 kg/d 79.51 +253% Jan 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 157.52 kg/d 79.51 +98% Apr 2022 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 14.20 kg/d 10.81 +31% Sep 2020 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 11.26 kg/d 8.47 +33% Sep 2020 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 4.07 kg/d 3.79 +7% Sep 2020 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 24.52 kg/d 16.22 +51% Sep 2020 Open
Solids, total suspended DMR, Limited - Numeric Violation 89.07 kg/d 79.51 +12% Feb 2020 Open
Solids, total suspended DMR, Limited - Numeric Violation 88.66 kg/d 79.51 +12% Dec 2019 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 10.40 mg/L 9.40 +11% Oct 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 13.83 kg/d 8.47 +63% Oct 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 4.14 kg/d 3.79 +9% Oct 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 89.21 kg/d 79.51 +12% Jun 2019 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 14.16 mg/L 4.20 +237% May 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 14.49 kg/d 3.79 +283% May 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 23.00 mg/L 9.40 +145% May 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 29.71 kg/d 8.47 +251% May 2019 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 28.10 mg/L 15.00 +87% Apr 2019 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.

Notice of Violation
Clean Air Act · Case 3604860958 · Mar 13, 2026
Administrative - Formal
Clean Air Act · Case 3604501552 · Aug 22, 2025
$5,800
Notice of Violation
Clean Air Act · Case 3604022404 · Jul 2, 2024
Administrative - Formal
· Case 06-2022-3321 · May 23, 2022
Administrative - Formal
Clean Air Act · Case 3603218152 · May 23, 2022
$0
Administrative - Formal
Clean Air Act · Case 3603217915 · May 23, 2022
$30,000
Administrative - Formal
· Case 06-2022-3320 · May 23, 2022
$30,000
Administrative - Formal
· Case 06-2021-3358 · Sep 16, 2021
$5,650
Administrative - Formal
Clean Air Act · Case 3602825824 · Sep 16, 2021
$5,650
Administrative - Formal
Clean Air Act · Case 3602491823 · Apr 7, 2021
$14,790
Notice of Violation
Clean Air Act · Case 3602192587 · May 7, 2020
Administrative - Formal
Clean Air Act · Case 3601801437 · Apr 2, 2019
$27,600
Notice of Violation
Clean Air Act · Case 3601801434 · Aug 16, 2018
Administrative - Formal
Clean Air Act · Case 3600934992 · Jan 27, 2017
$2,400
Notice of Violation
Clean Air Act · Case 3600676469 · Mar 23, 2016
Administrative - Formal
· Case 06-2015-0611 · Feb 18, 2015
State Administrative Order of Consent
Clean Water Act · Case AR-7384 · Feb 25, 2014
$48,877
Emergency Order - Governor
Clean Water Act · Case AR-7370 · May 21, 2013
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-ARD990869737-001 · Feb 2, 2010
Administrative - Formal
· Case 06-2000-1166 · Oct 20, 2000
$500

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