EmissionsLookup
TRI Reporter Clean Air Act RCRA

DUPONT PONTCHARTRAIN SITE

Quick Summary

  • Released 1,060,466 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
  • Assessed $480,000 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
586 HIGHWAY 44
LA PLACE, LA 70068
View on map ↗
County
ST. JOHN THE BAPTIST PARISH County
Industry
Manufacturing
NAICS (North American Industry Classification)
325110
Inspections
4 · last Oct 6, 2025
Total Penalties
$480,000 · last Sep 25, 2024
Registry ID
110000597131

How This Compares

#27 of 419 TRI reporters in LA
#195 of 16,877 TRI reporters in Manufacturing

Ranked by most recent year's total TRI releases.

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) -7% overall
Year Total Releases (lbs) vs Prior Year
2015 1,138,135
2016 782,648 -31%
2017 1,060,466 +35%
2018 1,037,366 -2%
2019 13,987 -99%
2020 758,576 +5323%
2021 1,051,748 +39%
2022 1,207,985 +15%
2023 1,120,562 -7%
2024 1,052,928 -6%

2024

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 869,687 869,687
Ammonia 68,524 44,640 23,884 19
Aniline 52,466 17,767 34,699 3,627 ♦ Carcinogen
N-Methyl-2-pyrrolidone 16,976 17 16,959
Certain glycol ethers 15,317 15 15,302
Creosote 11,900 2,547 9,353 ♦ Carcinogen
Nitric acid 9,513 9,513
Benzene 3,880 3,875 5 134 ♦ Carcinogen
p-Phenylenediamine 2,176 2,113 63 2,133
Polycyclic aromatic compounds 896 192 704 ♦ Carcinogen
4-Aminoazobenzene 721 721 1,922 ♦ Carcinogen
Biphenyl 405 405
Toluene 199 199 30
1,2-Phenylenediamine 125 123 2 698 ♦ Carcinogen
Diphenylamine 69 11 58 24
4-Aminobiphenyl 50 37 13 118 ♦ Carcinogen
Xylene (mixed isomers) 8 8
Chromium 5 5
Nickel 5 5 ♦ Carcinogen
Chlorine 3 3
Copper 2 2
Phenol 1 1

2023

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 978,594 978,594
Ammonia 69,876 43,001 26,875 31
Aniline 23,714 17,818 5,896 1,393 ♦ Carcinogen
Creosote 11,900 1,192 10,708 ♦ Carcinogen
Certain glycol ethers 10,992 11 10,981
Nitric acid 9,525 9,525 2,275
N-Methyl-2-pyrrolidone 7,545 8 7,537 90
Benzene 3,903 3,899 4 128 ♦ Carcinogen
p-Phenylenediamine 2,232 2,146 86 3,911
Polycyclic aromatic compounds 896 90 806 ♦ Carcinogen
4-Aminoazobenzene 493 493 2,173 ♦ Carcinogen
Biphenyl 405 405 200
Toluene 188 188 68
1,2-Phenylenediamine 120 118 2 788 ♦ Carcinogen
Diphenylamine 90 12 78 83
4-Aminobiphenyl 48 37 11 664 ♦ Carcinogen
Xylene (mixed isomers) 25 25
Nickel 5 5 ♦ Carcinogen
Chromium 5 5
Chlorine 3 3
Copper 2 2
Phenol 1 1

2022

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,042,093 1,042,093
Ammonia 75,723 47,104 28,619 9
Aniline 41,726 17,660 24,066 863 ♦ Carcinogen
Certain glycol ethers 15,667 13 15,654
Creosote 11,900 1,222 10,678 ♦ Carcinogen
Nitric acid 9,529 9,529 1,324
Benzene 3,954 3,938 16 79 ♦ Carcinogen
p-Phenylenediamine 2,230 2,142 88 7,032
N-Methyl-2-pyrrolidone 1,890 2 1,888
4-Aminoazobenzene 1,372 1,372 92 ♦ Carcinogen
Polycyclic aromatic compounds 896 92 804 ♦ Carcinogen
Biphenyl 403 403 1,200
1,2-Phenylenediamine 244 242 2 859 ♦ Carcinogen
Toluene 174 174 92
Diphenylamine 96 15 81 92
4-Aminobiphenyl 52 36 16 262 ♦ Carcinogen
Xylene (mixed isomers) 20 20
Nickel 5 5 ♦ Carcinogen
Chromium 5 5
Chlorine 3 3
Copper 2 2
Phenol 1 1

2021

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 935,392 935,392
Ammonia 72,122 46,433 25,689 35
Aniline 18,419 9,133 9,286 772 ♦ Carcinogen
Creosote 11,900 1,194 10,706 ♦ Carcinogen
N-Methyl-2-pyrrolidone 5,670 6 5,664
Benzene 2,241 2,225 16 2,548 ♦ Carcinogen
4-Aminoazobenzene 1,337 1,337 43 ♦ Carcinogen
Certain glycol ethers 1,255 1 1,254 5
p-Phenylenediamine 1,160 1,078 81 8,867
Polycyclic aromatic compounds 896 90 806 ♦ Carcinogen
Nitric acid 841 841
1,2-Phenylenediamine 158 156 2 796 ♦ Carcinogen
Biphenyl 150 150 150
Diphenylamine 85 11 74 271
Toluene 49 49 39
4-Aminobiphenyl 31 13 19 190 ♦ Carcinogen
Xylene (mixed isomers) 29 29
Nickel 5 5 ♦ Carcinogen
Chromium 5 5
Chlorine 3 3
Copper 2 2
Phenol 0 0

2020

Chemical Total (lbs) Air Water Land Off-Site
Phenol
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 670,651 670,651
Ammonia 52,505 34,087 18,418
Aniline 16,007 9,007 7,000 1,673 ♦ Carcinogen
Creosote 11,900 1,208 10,692 ♦ Carcinogen
Benzene 2,072 2,064 8 111 ♦ Carcinogen
Nitric acid 914 914
p-Phenylenediamine 909 850 59 3,492
Polycyclic aromatic compounds 896 91 805 ♦ Carcinogen
Certain glycol ethers 885 1 884
N-Methyl-2-pyrrolidone 770 1 769
4-Aminoazobenzene 439 439 34 ♦ Carcinogen
Toluene 233 233 37
1,2-Phenylenediamine 151 150 1 1,800 ♦ Carcinogen
Biphenyl 128 128 120
Diphenylamine 65 11 54 226
4-Aminobiphenyl 19 12 7 850 ♦ Carcinogen
Xylene (mixed isomers) 17 17
Chromium 5 5
Nickel 5 5 ♦ Carcinogen
Chlorine 3 3
Copper 2 2

2019

Chemical Total (lbs) Air Water Land Off-Site
N-Methyl-2-pyrrolidone 12,764 13 12,751 28,154
4-Aminoazobenzene 1,136 1,136 68 ♦ Carcinogen
Toluene 59 59 17
4-Aminobiphenyl 28 11 17 1,932 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Phenol
p-Nitroaniline
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 870,000 870,000
Ammonia 84,800 60,800 24,000 24
Aniline 43,700 7,700 36,000 884 ♦ Carcinogen
Creosote 12,200 1,200 11,000 ♦ Carcinogen
Certain glycol ethers 9,957 57 9,900
N-Methyl-2-pyrrolidone 6,106 6 6,100
p-Phenylenediamine 4,743 943 3,800 6,249
Benzene 2,204 2,193 11 72,381 ♦ Carcinogen
4-Aminoazobenzene 1,300 1,300 29 ♦ Carcinogen
Polycyclic aromatic compounds 902 96 806 ♦ Carcinogen
Nitric acid 874 874
1,2-Phenylenediamine 145 143 2 6,696 ♦ Carcinogen
Biphenyl 139 139
Toluene 120 120 5
Diphenylamine 69 9 60 173
Xylene (mixed isomers) 58 58
4-Aminobiphenyl 34 10 24 21 ♦ Carcinogen
Nickel 5 5 ♦ Carcinogen
Chromium 5 5
Chlorine 3 3
Copper 2 2

2017

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Phenol
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 910,000 910,000
Aniline 65,644 7,644 58,000 1,140 ♦ Carcinogen
Ammonia 39,401 14,400 1 25,000 19
Certain glycol ethers 17,114 114 17,000
Creosote 12,200 1,200 11,000 ♦ Carcinogen
N-Methyl-2-pyrrolidone 5,706 6 5,700
p-Phenylenediamine 4,621 821 3,800 5,002
Benzene 2,186 2,171 15 172 ♦ Carcinogen
4-Aminoazobenzene 1,100 1,100 57 ♦ Carcinogen
Polycyclic aromatic compounds 901 95 806 ♦ Carcinogen
Nitric acid 857 857
Xylene (mixed isomers) 213 213
1,2-Phenylenediamine 177 175 2 266,414 ♦ Carcinogen
Biphenyl 139 139
Diphenylamine 85 8 77 114
Toluene 75 75
4-Aminobiphenyl 32 16 16 70 ♦ Carcinogen
Chromium 5 5
Nickel 5 5 ♦ Carcinogen
Chlorine 3 3
Copper 2 2

2016

Chemical Total (lbs) Air Water Land Off-Site
Phenol
p-Nitroaniline
Copper
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 630,000 630,000
Aniline 52,600 12,600 40,000 745 ♦ Carcinogen
Ammonia 33,900 16,900 17,000
N-Methyl-2-pyrrolidone 24,025 25 24,000
p-Phenylenediamine 13,106 13,106 2,923
Creosote 12,200 1,200 11,000 ♦ Carcinogen
Certain glycol ethers 10,087 87 10,000
Benzene 2,643 2,635 8 112 ♦ Carcinogen
4-Aminoazobenzene 1,400 1,400 72 ♦ Carcinogen
Polycyclic aromatic compounds 900 94 806 ♦ Carcinogen
Nitric acid 843 843
1,2-Phenylenediamine 254 254 361,965 ♦ Carcinogen
Xylene (mixed isomers) 147 147
4-Aminobiphenyl 144 128 16 76 ♦ Carcinogen
Biphenyl 139 139 285
Diphenylamine 137 76 61 57
Toluene 110 110 105
Nickel 5 5 ♦ Carcinogen
Chromium 5 5
Chlorine 3 3

2015

Chemical Total (lbs) Air Water Land Off-Site
p-Nitroaniline
Triethylamine
Phenol
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 697,000 27,000 670,000
Chloroprene 214,677 207,700 77 6,900 3,431 ♦ Carcinogen
Aniline 61,500 12,500 49,000 833 ♦ Carcinogen
Ammonia 40,700 22,700 18,000
Toluene 29,605 25,100 5 4,500 13,214
N-Methyl-2-pyrrolidone 18,109 109 18,000 1,290
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 15,349 15,349
Certain glycol ethers 15,205 205 15,000 18
p-Phenylenediamine 13,131 13,131 3,614
Creosote 12,200 1,200 11,000 3,506 ♦ Carcinogen
1,4-Dichloro-2-butene 4,973 654 19 4,300 9,964
1,3-Butadiene 3,598 3,598 3 ♦ Carcinogen
Benzene 2,683 2,669 14 31 ♦ Carcinogen
Chlorine 2,442 2,442
Copper 1,317 2 15 1,300 1,023
4-Aminoazobenzene 1,100 1,100 8 ♦ Carcinogen
Xylene (mixed isomers) 908 908 94
Polycyclic aromatic compounds 902 97 805 264 ♦ Carcinogen
Nitric acid 839 839
Nickel 524 5 110 409 648 ♦ Carcinogen
1,2-Phenylenediamine 347 347 701 ♦ Carcinogen
Chromium 286 5 26 255 42
Diphenylamine 166 88 78 77
4-Aminobiphenyl 161 145 16 14 ♦ Carcinogen
1,2-Dichlorobenzene 148 148 73
Biphenyl 139 139
Dichloromethane 73 73 353 ♦ Carcinogen
Tetrachloroethylene 32 32 103 ♦ Carcinogen
N-Nitrosodiphenylamine 16 16 2,187
Benzyl chloride 5 5
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
4-Aminoazobenzene 1,922
Benzene 165,327 58,885
Toluene 30
Ammonia 443,208
1,2-Phenylenediamine 2,196,608 2,196
p-Phenylenediamine 955,062 2,511
Nitric acid 1
Aniline 638,382 48,763
4-Aminobiphenyl 537,037 123
Diphenylamine 191,013 102

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
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
Aniline 3,627
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
4-Aminobiphenyl 118
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
p-Phenylenediamine 2,133
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
4-Aminoazobenzene 1,922
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
Benzene 134
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
Diphenylamine 24
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
1,2-Phenylenediamine 698
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
Toluene 30
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
Ammonia 19

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 State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements May 10, 2012 Jun 12, 2012 Resolved
rcra Standards for Owners and Operators of HW TSDs: Tank Systems Nov 18, 2009 Jan 25, 2010 Resolved
rcra Land Disposal Restrictions: Prohibitions on Storage Nov 18, 2009 Nov 18, 2009 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Nov 18, 2009 Jan 25, 2010 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Feb 27, 2008 Mar 6, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: Closure and Post-Closure Feb 27, 2008 Oct 6, 2009 Resolved
rcra Standards for Owners and Operators of HW TSDs: Tank Systems Feb 27, 2008 Oct 6, 2009 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Feb 27, 2008 Mar 6, 2008 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Apr 26, 2007 Oct 16, 2007 Resolved
rcra Standards for Owners and Operators of HW TSDs: Use and Management of Containers Apr 26, 2007 Oct 16, 2007 Resolved
rcra Standards for Owners and Operators of HW TSDs: Use and Management of Containers Dec 14, 2004 Jan 14, 2005 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Dec 14, 2004 Jan 14, 2005 Resolved
rcra Standards for Owners and Operators of HW TSDs: Tank Systems Nov 3, 2003 Dec 5, 2003 Resolved
rcra EPA Administered Permit Programs: the HW Permit Program Permit Application Feb 20, 1997 Aug 8, 1997 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Mar 3, 1995 Oct 24, 1995 Resolved
rcra Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting Mar 3, 1995 Oct 24, 1995 Resolved
rcra Standards for Owners and Operators of HW TSDs: Tank Systems Mar 3, 1995 Oct 24, 1995 Resolved
rcra Land Disposal Restrictions: General Mar 3, 1995 Oct 24, 1995 Resolved
rcra Land Disposal Restrictions: General Apr 28, 1994 May 11, 1994 Resolved
rcra Land Disposal Restrictions: General Apr 12, 1994 May 11, 1994 Resolved
rcra Standards Applicable to Generators of HW: General Mar 1, 1991 Jun 3, 1991 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Sep 5, 1990 Feb 4, 1991 Resolved
rcra Land Disposal Restrictions: General Sep 22, 1989 Dec 12, 1989 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jul 8, 1988 Dec 8, 1988 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jun 13, 1988 Jul 29, 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 06-1997-0222
Administrative - Formal
Clean Air Act · Case 3604133744 · Sep 25, 2024
$480,000
Administrative - Formal
· Case 06-2024-3308 · Sep 25, 2024
$480,000
Notice of Violation
Clean Air Act · Case 3603593976 · Mar 8, 2023
Other Response - No Further Action
Clean Air Act · Case 3602848664 · Oct 5, 2021
Notice of Noncompliance Issued
Clean Air Act · Case 3602760626 · Jul 6, 2021
Administrative - Formal
· Case 06-2016-3387 · Jun 9, 2016
$37,500
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-132 · Jul 19, 2012
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-540 · Dec 16, 2009
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-078 · Dec 22, 2008
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-089 · Oct 16, 2007
Administrative - Formal
· Case 06-2006-0018 · Jun 30, 2006
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-444 · Mar 9, 2005
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-348 · Sep 22, 2004
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-000 · Mar 7, 1997
$31,800
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-008 · Oct 9, 1995
STATE LEVEL ADMINISTRATIVE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-179 · May 4, 1994
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-107 · May 8, 1991
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-515 · Jan 8, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAD001890367-003 · Oct 11, 1989

Other facilities in ST. JOHN THE BAPTIST PARISH County, LA

CARGILL, INC. OILSEEDS TERMINAL
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EVONIK CORPORATION
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ALPHACHEM INC.
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MT AIRY TERMINAL LLC - MT AIRY TERMINAL
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