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

EL DORADO REFINERY

Quick Summary

  • Released 479,939 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 $30,620 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
1005 ROBERT E. LEE STREET
EL DORADO, AR 71730
View on map ↗
County
UNION County
Industry
Manufacturing
NAICS (North American Industry Classification)
324110
Inspections
9 · last Feb 1, 2026
Total Penalties
$30,620 · last Jul 7, 2025
Registry ID
110017419667

How This Compares

#20 of 316 TRI reporters in AR
#393 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.

6
Air (CAA)
Qtrs Non-Compliant
4
Water (CWA)
Qtrs Non-Compliant
1
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) +114% overall
Year Total Releases (lbs) vs Prior Year
2015 240,208
2016 248,425 +3%
2017 479,939 +93%
2018 204,283 -57%
2019 125,585 -39%
2020 201,385 +60%
2021 217,640 +8%
2022 808,157 +271%
2023 565,966 -30%
2024 512,979 -9%

2024

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 306,726 306,726
Hydrogen cyanide 54,558 54,558
Hydrogen sulfide 40,055 40,055
Ammonia 29,435 29,212 223 1
n-Hexane 29,021 29,016 5 4,954
Toluene 11,445 11,396 49 4,955
Benzene 10,535 10,482 53 19 ♦ Carcinogen
Propylene 10,238 10,238
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10,039 10,039
Xylene (mixed isomers) 7,202 7,159 43 14,845
1,2,4-Trimethylbenzene 3,496 3,496 9,888
Polycyclic aromatic compounds 116 116 711 ♦ Carcinogen
Lead compounds 114 37 76 9

2023

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 387,595 387,595
Hydrogen sulfide 40,055 40,055
Hydrogen cyanide 37,637 37,637
Ammonia 30,018 29,449 570 1
n-Hexane 29,567 29,562 5 1,492
Toluene 11,649 11,473 176 1,560
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10,837 10,837
Benzene 10,803 10,611 193 3,341 ♦ Carcinogen
Xylene (mixed isomers) 7,516 7,384 132 4,503
Lead compounds 126 38 88 8
Polycyclic aromatic compounds 119 119 1,658 ♦ Carcinogen
Molybdenum trioxide 45 45 21,390 ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 679,543 679,543
Hydrogen cyanide 31,772 31,772
Ammonia 30,876 30,135 741 348
n-Hexane 29,893 29,888 5 48
Toluene 12,262 11,275 987 8
Benzene 11,795 10,710 1,085 5 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 11,037 11,037
Lead compounds 980 39 941 17

2021

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 107,652 107,652
Hydrogen cyanide 26,401 26,401
n-Hexane 26,205 26,199 6 7,139
Ammonia 24,422 24,131 290 439
Toluene 11,144 11,099 45 241
Benzene 11,090 11,041 49 86 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10,676 10,676
Molybdenum trioxide 50 50 15,048 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 77,194 77,194
Ammonia 30,624 30,411 213 1
Hydrogen cyanide 30,278 30,278
n-Hexane 29,892 29,886 5 15
Toluene 11,565 11,563 2 22
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10,998 10,998
Benzene 10,687 10,685 1 51 ♦ Carcinogen
Nickel compounds 103 83 20 31,646 ♦ Carcinogen
Molybdenum trioxide 46 46 88,253 ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 87,829 87,829 770
Ammonia 25,087 24,780 307 1
Toluene 12,633 12,588 45 10
Molybdenum trioxide 37 37 38,010 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 75,775 75,764 11
n-Hexane 33,281 33,277 4 27
Ammonia 31,085 29,014 914 1,157
Hydrogen cyanide 24,747 24,747
Toluene 15,084 15,058 26 30
Benzene 12,798 12,770 28 11 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 11,249 11,249
Lead compounds 193 37 7 150 7
Molybdenum trioxide 38 38 10,270 ♦ Carcinogen
Diethanolamine 32 32 15,276

2017

Chemical Total (lbs) Air Water Land Off-Site
Zinc compounds 152,683 133 152,550 208
Ammonia 71,751 29,807 8,604 33,340 2
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 66,284 65,961 323
Hydrogen cyanide 45,992 45,992
n-Hexane 32,784 32,780 4 36
Manganese compounds 26,119 49 166 25,905 16
Propylene 14,841 14,841
Toluene 13,885 13,881 4 159
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 12,064 12,064 19
Benzene 11,326 11,322 4 ♦ Carcinogen
Xylene (mixed isomers) 10,008 10,004 4 4,064
Lead compounds 4,362 38 6 4,317 24
1,2,4-Trimethylbenzene 3,804 3,803 1 16
Ethylbenzene 2,497 2,496 1 609 ♦ Carcinogen
Carbonyl sulfide 2,338 2,338
Chlorine 2,155 2,155
1,3-Butadiene 1,947 1,947 ♦ Carcinogen
Cyclohexane 1,637 1,636 1
Ethylene 757 757
Hydrogen sulfide 699 699
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 460 460
Naphthalene 454 451 3 240 ♦ Carcinogen
Cresol (mixed isomers) 238 223 15 5
Cumene 236 236 1 ♦ Carcinogen
Phenol 212 154 58 1
Tetrachloroethylene 180 180 0 ♦ Carcinogen
Biphenyl 123 123 11
Mercury compounds 48 2 0 45 0
Polycyclic aromatic compounds 30 30 44 ♦ Carcinogen
Anthracene 14 14 2
Phenanthrene 10 6 4 20
Benzo[g,h,i]perylene 4 4 2
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 88,702 88,702 1
Ammonia 35,225 28,954 6,271 117
n-Hexane 31,704 31,700 4 916
Hydrogen cyanide 29,612 29,612
Toluene 12,505 12,435 70 24
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 12,012 12,012
Benzene 10,633 10,556 76 ♦ Carcinogen
Xylene (mixed isomers) 6,920 6,871 49 816
Propylene 5,847 5,847
1,2,4-Trimethylbenzene 3,152 3,152 506
Chlorine 2,206 2,206
Ethylbenzene 1,957 1,956 1 138 ♦ Carcinogen
Carbonyl sulfide 1,771 1,771
Cyclohexane 1,435 1,434 1
1,3-Butadiene 1,253 1,253 ♦ Carcinogen
Hydrogen sulfide 759 759
Ethylene 539 539
Tetrachloroethylene 487 487 5 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 471 471
Naphthalene 349 347 3 719 ♦ Carcinogen
Phenol 228 122 106 36
Cumene 193 192 0 2 ♦ Carcinogen
Cresol (mixed isomers) 182 168 14 116
Zinc compounds 117 117 5,842
Biphenyl 82 82 298
Lead compounds 44 37 8 247
Polycyclic aromatic compounds 20 20 1,797 ♦ Carcinogen
Phenanthrene 9 5 4 681
Anthracene 8 8 81
Benzo[g,h,i]perylene 3 3 63
Mercury compounds 2 2
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 77,470 77,470 3
Hydrogen cyanide 37,754 37,754
Ammonia 34,025 30,675 3,350 87
n-Hexane 33,986 33,982 4 232
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 12,484 12,484
Toluene 11,250 11,216 34 7
Xylene (mixed isomers) 6,443 6,419 24 204
Propylene 6,310 6,310
Benzene 5,856 5,819 37 ♦ Carcinogen
Chlorine 3,126 3,126
1,2,4-Trimethylbenzene 2,034 2,034 119
Ethylbenzene 1,815 1,814 1 34 ♦ Carcinogen
Zinc compounds 1,697 190 1,507 2,671
Cyclohexane 1,268 1,267 1
1,3-Butadiene 1,080 1,080 ♦ Carcinogen
Ethylene 786 786
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 666 666
Hydrogen sulfide 600 600
Carbonyl sulfide 549 549
Phenol 215 94 121 8
Naphthalene 214 211 3 187 ♦ Carcinogen
Cresol (mixed isomers) 151 136 15 29
Cumene 134 134 0 ♦ Carcinogen
Tetrachloroethylene 121 121 ♦ Carcinogen
Biphenyl 64 64 77
Lead compounds 46 40 6 96
Polycyclic aromatic compounds 44 44 577 ♦ Carcinogen
Phenanthrene 11 6 5 207
Anthracene 7 7 24
Benzo[g,h,i]perylene 2 2 17

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
Hydrogen sulfide 129,673
Benzene 19
Ammonia 12,854
n-Hexane 7

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
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Toluene 4,949
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Toluene 6
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
Ammonia 0
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Ammonia 0
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Xylene (mixed isomers) 14,830
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Xylene (mixed isomers) 12
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
Xylene (mixed isomers) 3
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
n-Hexane 4
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
n-Hexane 4,941
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
n-Hexane 8
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
Lead compounds 1
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Lead compounds 6
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Lead compounds 2
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
Polycyclic aromatic compounds 5
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Polycyclic aromatic compounds 696
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Polycyclic aromatic compounds 10
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
1,2,4-Trimethylbenzene 3
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
1,2,4-Trimethylbenzene 2
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
1,2,4-Trimethylbenzene 9,883
ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC
ARKADELPHIA, AR
Benzene 0
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Benzene 3
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
Benzene 16

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 Feb 19, 2025 Mar 20, 2025 Resolved
caa HPV Sep 17, 2024 Nov 17, 2025 Resolved
rcra Standards for Used Oil: Generators Feb 18, 2022 Mar 16, 2022 Resolved
rcra Standards Applicable to Generators of HW: General Feb 18, 2022 Mar 16, 2022 Resolved
rcra Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Feb 18, 2022 Mar 16, 2022 Resolved
rcra Violation of a permit condition or requirement Feb 18, 2022 Mar 16, 2022 Resolved
caa HPV Jan 4, 2021 Apr 27, 2022 Resolved
caa HPV Jan 24, 2019 Aug 24, 2021 Resolved
rcra ID and Listing of HW: General Jun 26, 2018 Jul 26, 2018 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Jun 26, 2018 Jul 26, 2018 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Jun 26, 2018 Jul 26, 2018 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Jun 26, 2018 Jul 26, 2018 Resolved
rcra Violation of a permit condition or requirement Aug 29, 2017 Sep 5, 2017 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Apr 4, 2016 May 5, 2016 Resolved
rcra Standards for Owners and Operators of HW TSDs: Use and Management of Containers Apr 4, 2016 May 5, 2016 Resolved
rcra EPA Administered Permit Programs: the HW Permit Program Changes to Permits Apr 4, 2016 May 5, 2016 Resolved
rcra Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Apr 4, 2016 May 5, 2016 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Apr 4, 2016 May 5, 2016 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Apr 4, 2016 May 5, 2016 Resolved
rcra Violation of a permit condition or requirement Jan 8, 2016 Feb 22, 2016 Resolved
rcra Violation of a permit condition or requirement Feb 13, 2015 Apr 15, 2015 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Nov 17, 2014 Dec 15, 2014 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Nov 17, 2014 Dec 15, 2014 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Nov 17, 2014 Dec 15, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Nov 17, 2014 Dec 15, 2014 Resolved
rcra Violation of a permit condition or requirement Nov 17, 2014 May 26, 2015 Resolved
cwa Schedule Event achieved late but reported Jan 31, 2014 Open
cwa Schedule Event achieved late but reported Jan 31, 2014 Open
rcra EPA Administered Permit Programs: the HW Permit Program Changes to Permits Sep 7, 2012 Oct 8, 2012 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Sep 7, 2012 Oct 8, 2012 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Sep 7, 2012 Oct 8, 2012 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Sep 7, 2012 Oct 8, 2012 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Sep 7, 2012 Oct 8, 2012 Resolved
cwa Schedule Event unachieved but reported Jan 31, 2012 May 9, 2012 Resolved
cwa Schedule Event unachieved and not reported Jan 31, 2012 May 9, 2012 Resolved
cwa Schedule Event reported late Jan 31, 2012 Open
cwa Schedule Event achieved late but reported Jan 31, 2012 Open
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Apr 16, 2010 Jun 16, 2010 Resolved
cwa Schedule Event achieved late but reported Mar 12, 2010 Open
rcra Violation of a permit condition or requirement Sep 15, 2009 Feb 5, 2010 Resolved
cwa Schedule Event unachieved but reported Nov 10, 2008 Open
cwa Schedule Event unachieved and not reported Nov 10, 2008 Open
cwa Schedule Event achieved late but reported Nov 10, 2008 Open
cwa Schedule Event reported late Nov 10, 2008 Open
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Mar 17, 2008 Apr 14, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Mar 17, 2008 Apr 14, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Mar 17, 2008 Apr 14, 2008 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Jan 23, 2008 Apr 14, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Jan 23, 2008 Apr 14, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Jan 23, 2008 Apr 14, 2008 Resolved

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 35.10 mg/L 15.00 +134% Jul 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 15.90 mg/L 10.00 +59% Jul 2025 Open
Oil & Grease DMR, Limited - Numeric Violation 19.00 mg/L 15.00 +27% May 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 583.84 kg/d 321.89 +81% Apr 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 2,173.30 kg/d 898.47 +142% Mar 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 2,173.30 kg/d 577.49 +276% Mar 2024 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +182% Jan 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 662.84 kg/d 321.89 +106% Jan 2024 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.01 +41% Jan 2024 Open
Zinc, total recoverable DMR, Limited - Numeric Violation 0.12 mg/L 0.12 +3% Jan 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 846.17 kg/d 577.49 +47% Jul 2023 Open
Oil & Grease DMR, Limited - Numeric Violation 265.14 kg/d 170.39 +56% Jun 2023 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +5% Feb 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 196.11 kg/d 136.25 +44% Jan 2023 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 532.15 kg/d 366.29 +45% Nov 2022 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 287.89 kg/d 136.25 +111% Nov 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 654.28 kg/d 321.89 +103% Nov 2022 Open
Zinc, total recoverable DMR, Limited - Numeric Violation 2.54 kg/d 1.91 +33% Jul 2022 Open
Zinc, total recoverable DMR, Limited - Numeric Violation 3.01 kg/d 1.91 +58% Jul 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 1,577.10 kg/d 1,223.98 +29% Jul 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 491.82 kg/d 321.89 +53% Jul 2022 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.15 kg/d 0.13 +14% Jul 2022 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.15 kg/d 0.06 +129% Jul 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 545.78 kg/d 321.89 +70% Jun 2022 Open
Oil & Grease DMR, Limited - Numeric Violation 76.90 mg/L 15.00 +413% Nov 2021 Open
Oil & Grease DMR, Limited - Numeric Violation 13.05 mg/L 10.00 +31% Nov 2021 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.14 kg/d 0.13 +7% Mar 2021 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.14 kg/d 0.06 +114% Mar 2021 Open
Zinc, total recoverable DMR, Limited - Numeric Violation 2.61 kg/d 1.91 +37% Mar 2021 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 163.57 kg/d 136.25 +20% Jan 2021 Open
Oil & Grease DMR, Limited - Numeric Violation 183.06 kg/d 170.39 +7% Mar 2020 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.01 +23% Feb 2020 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +146% Feb 2020 Open
Oil & Grease DMR, Limited - Numeric Violation 27.00 mg/L 15.00 +80% Oct 2019 Open
Oil & Grease DMR, Limited - Numeric Violation 29.70 mg/L 15.00 +98% Jul 2019 Open
Oil & Grease DMR, Limited - Numeric Violation 27.20 mg/L 15.00 +81% May 2019 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +100% Apr 2019 Resolved
Lead, total recoverable DMR, Limited - Numeric Violation 0.11 kg/d 0.06 +71% Apr 2019 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 3,467.09 kg/d 898.47 +286% Apr 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 3,467.09 kg/d 577.49 +500% Apr 2019 Open
Zinc, total recoverable DMR, Limited - Numeric Violation 2.85 kg/d 1.91 +50% Mar 2019 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +115% Mar 2019 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 2,241.55 kg/d 1,904.08 +18% Mar 2019 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.22 kg/d 0.13 +71% Mar 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 1,587.22 kg/d 1,223.98 +30% Mar 2019 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.22 kg/d 0.06 +243% Mar 2019 Resolved
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.01 +8% Mar 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 443.46 kg/d 321.89 +38% Feb 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 407.64 kg/d 321.89 +27% Jan 2019 Open
Lead, total recoverable DMR, Limited - Numeric Violation 0.01 mg/L 0.00 +46% Jan 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.

Administrative - Formal
· Case 06-2000-0185
Administrative - Formal
Clean Air Act · Case 3604452473 · Jul 7, 2025
$14,400
Notice of Violation
Clean Air Act · Case 3604114464 · Sep 17, 2024
Administrative - Formal
Clean Air Act · Case 3603032814 · Dec 16, 2021
$16,220
Notice of Violation
Clean Air Act · Case 3602385974 · Jan 4, 2021
Administrative - Formal
· Case 06-2019-4802 · Dec 18, 2019
$15,100
Notice of Violation
Clean Air Act · Case 3601733568 · Jan 24, 2019
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-ARD000021998-001 · Mar 11, 2015
$3,500
Administrative - Formal
· Case 06-2014-3330 · Feb 12, 2015
$3,000
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-ARD000021998-002 · Nov 17, 2014
Judicial
· Case 06-2011-1924 · Sep 13, 2013
$504,000
Administrative - Formal
· Case 06-2010-4517 · Oct 5, 2010
$500
Administrative - Formal
· Case 06-2010-1752 · Jan 11, 2010
State Administrative Order of Consent
Clean Water Act · Case AR-5648 · Oct 10, 2008
$2,000
Administrative - Formal
· Case 06-2007-3323 · Dec 18, 2007
$33,000
Administrative - Formal
· Case 06-2006-3310 · May 24, 2006
Administrative - Formal
· Case 06-2005-4531 · Mar 18, 2005
$500
Administrative - Formal
· Case 06-2004-2914 · Jul 22, 2004
$1,000
Judicial
· Case 06-2002-3748 · Jun 12, 2003
$348,000
Judicial
· Case 06-1998-0304 · Sep 20, 1999
$90,000

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