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

WARREN TRUCK ASSEMBLY PLANT (WTAP)

Quick Summary

  • Released 549,002 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 $371,454 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
21500 MOUND ROAD
WARREN, MI 48091
View on map ↗
County
MACOMB County
Industry
Manufacturing
NAICS (North American Industry Classification)
336110
Inspections
4 · last Sep 23, 2025
Total Penalties
$371,454 · last May 11, 2023
Registry ID
110000405393

How This Compares

#11 of 692 TRI reporters in MI
#351 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.

12
Air (CAA)
Qtrs Non-Compliant
0
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) +13% overall
Year Total Releases (lbs) vs Prior Year
2015 426,854
2016 508,020 +19%
2017 549,002 +8%
2018 518,072 -6%
2019 12,563 -98%
2020 387,497 +2985%
2021 292,872 -24%
2022 430,438 +47%
2023 372,799 -13%
2024 480,667 +29%

2024

Chemical Total (lbs) Air Water Land Off-Site
Diisononyl Phthalates (DINP)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 10,142
Xylene (mixed isomers) 226,418 226,418 125,210
1,2,4-Trimethylbenzene 73,910 73,910 41,618
Methyl isobutyl ketone 61,967 61,967 24,328 ♦ Carcinogen
Ethylbenzene 52,775 52,775 30,945 ♦ Carcinogen
n-Butyl alcohol 38,564 38,564 21,425
Toluene 10,198 10,198 4,363
Cumene 6,832 6,832 4,099 ♦ Carcinogen
Certain glycol ethers 6,758 6,758 1,829
n-Hexane 2,649 2,649
Methanol 201 201 3,759
Benzene 176 176 ♦ Carcinogen
Sodium nitrite 158 158 679
Zinc compounds 30 30 49,034
Ethylene glycol 30 30 1,604
Manganese compounds 0 0

2023

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 45,690
Sodium nitrite
Xylene (mixed isomers) 167,789 167,789 216,952
1,2,4-Trimethylbenzene 55,510 55,510 73,767
Methyl isobutyl ketone 55,353 55,353 37,493 ♦ Carcinogen
Ethylbenzene 37,099 37,099 53,685 ♦ Carcinogen
n-Butyl alcohol 28,072 28,072 36,584
Toluene 8,400 8,400 7,292
Certain glycol ethers 7,050 7,050 2,032
Nitric acid 5,069 5,069
Cumene 4,734 4,734 7,146 ♦ Carcinogen
n-Hexane 3,228 3,228
Methanol 234 234 3,630
Benzene 192 192 ♦ Carcinogen
Zinc compounds 38 38 96,137
Ethylene glycol 33 33 1,421
Manganese compounds 0 0 43,876

2022

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 19,774
Sodium nitrite 814
Xylene (mixed isomers) 187,039 187,039 183,914
1,2,4-Trimethylbenzene 59,428 59,428 68,501
Methyl isobutyl ketone 57,785 57,785 32,420 ♦ Carcinogen
Ethylbenzene 42,152 42,152 44,442 ♦ Carcinogen
Certain glycol ethers 37,242 37,242 7,379
n-Butyl alcohol 30,858 30,858 32,493
Toluene 8,925 8,925 6,114
Cumene 5,392 5,392 5,911 ♦ Carcinogen
n-Hexane 1,127 1,127
Methanol 245 245 4,676
Benzene 176 176 ♦ Carcinogen
Ethylene glycol 37 37 1,228
Zinc compounds 19 19 20,119
Nitric acid 12 12 121
Manganese compounds 0 0 4,914

2021

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 17,517
Sodium nitrite 664
Xylene (mixed isomers) 113,254 113,254 135,477
Certain glycol ethers 53,274 53,274 3,302
Methyl isobutyl ketone 41,417 41,417 25,011 ♦ Carcinogen
1,2,4-Trimethylbenzene 28,723 28,723 44,863
Ethylbenzene 25,282 25,282 33,212 ♦ Carcinogen
n-Butyl alcohol 18,436 18,436 23,016
Toluene 6,020 6,020 5,190
Cumene 5,194 5,194 5,469 ♦ Carcinogen
n-Hexane 875 875
Methanol 200 200 2,284
Benzene 137 137 ♦ Carcinogen
Ethylene glycol 28 28 3,614
Zinc compounds 19 19 11,065
Nitric acid 12 12
Manganese compounds 0 0 4,651

2020

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite 349
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 11,646
Xylene (mixed isomers) 144,222 144,222 127,567
Methyl isobutyl ketone 89,711 89,711 18,961 ♦ Carcinogen
Certain glycol ethers 58,279 58,279 4
Ethylbenzene 29,456 29,456 29,812 ♦ Carcinogen
1,2,4-Trimethylbenzene 28,365 28,365 40,979
n-Butyl alcohol 24,012 24,012 20,734
Toluene 9,148 9,148 7,320
Cumene 3,543 3,543 7,082 ♦ Carcinogen
Naphthalene 438 438 724 ♦ Carcinogen
n-Hexane 142 142
Methanol 129 129 3,385
Benzene 19 19 ♦ Carcinogen
Ethylene glycol 14 14 761
Zinc compounds 10 10 1,110
Nitric acid 9 9 0
Manganese compounds 0 0 1,738

2019

Chemical Total (lbs) Air Water Land Off-Site
Certain glycol ethers 7,510 7,510
Ethylene glycol 4,999 4,999 719
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 53 53 43,036

2018

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 63,994
Sodium nitrite 1,058
Xylene (mixed isomers) 250,844 250,844 231,117
1,2,4-Trimethylbenzene 76,801 76,801 56,077
Ethylbenzene 61,655 61,655 52,910 ♦ Carcinogen
n-Butyl alcohol 41,623 41,623 40,593
Methyl isobutyl ketone 40,086 40,086 124,985 ♦ Carcinogen
Certain glycol ethers 15,934 15,934 72,914
Cumene 14,473 14,473 8,212 ♦ Carcinogen
Toluene 11,141 11,141 11,985
n-Hexane 3,415 3,415 12
Naphthalene 1,502 1,502 1,111 ♦ Carcinogen
Methanol 370 370 4,025
Benzene 80 80 10 ♦ Carcinogen
Ethylene glycol 65 65 857
Zinc compounds 65 65 15,716
Nitric acid 18 18
Manganese compounds 1 1 5,234

2017

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 59,173
Sodium nitrite 11,000
Xylene (mixed isomers) 268,000 268,000 420,819
1,2,4-Trimethylbenzene 79,000 79,000 110,085
Ethylbenzene 64,800 64,800 99,135 ♦ Carcinogen
n-Butyl alcohol 44,700 44,700 74,099
Methyl isobutyl ketone 42,700 42,700 210,056 ♦ Carcinogen
Certain glycol ethers 18,000 18,000 112,851
Cumene 16,800 16,800 16,116 ♦ Carcinogen
Toluene 8,900 8,900 20,092
n-Hexane 3,890 3,890 19
Naphthalene 1,530 1,530 2,058 ♦ Carcinogen
Methanol 416 416
Ethylene glycol 102 102 690
Zinc compounds 71 71 29,630
Benzene 69 69 3 ♦ Carcinogen
Nitric acid 23 23
Manganese compounds 1 1 16,230

2016

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite 11,500
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 62,234
Xylene (mixed isomers) 246,000 246,000 360,906
1,2,4-Trimethylbenzene 72,400 72,400 96,112
Ethylbenzene 58,100 58,100 85,123 ♦ Carcinogen
n-Butyl alcohol 34,600 34,600 63,023
Methyl isobutyl ketone 33,500 33,500 170,001 ♦ Carcinogen
Certain glycol ethers 33,000 33,000 149,593
Cumene 15,700 15,700 13,114 ♦ Carcinogen
Toluene 8,600 8,600 16,384
n-Hexane 3,980 3,980 140
Naphthalene 1,420 1,420 1,700 ♦ Carcinogen
Methanol 463 463
Ethylene glycol 98 98 660
Benzene 75 75 23 ♦ Carcinogen
Zinc compounds 61 61 32,577
Nitric acid 22 22
Manganese compounds 1 1 19,030

2015

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite 10,000
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 62,182
Xylene (mixed isomers) 213,000 213,000 360,615
1,2,4-Trimethylbenzene 64,600 64,600 94,066
Ethylbenzene 53,600 53,600 84,102 ♦ Carcinogen
Methyl isobutyl ketone 30,200 30,200 160,000 ♦ Carcinogen
n-Butyl alcohol 29,100 29,100 62,000
Certain glycol ethers 12,570 12,570 115,924
Cumene 10,800 10,800 13,061 ♦ Carcinogen
Toluene 6,900 6,900 16,000
n-Hexane 3,840 3,840
Naphthalene 1,350 1,350 1,850 ♦ Carcinogen
Methanol 660 660
Ethylene glycol 95 95 630
Benzene 62 62 ♦ Carcinogen
Zinc compounds 56 56 28,115
Nitric acid 20 20
Manganese compounds 1 1 16,210

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
Methanol 3,757 1
Toluene 4,360 3
Certain glycol ethers 1,828 0 11,769
Ethylene glycol 1,400 188
Sodium nitrite 6,110
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 9,128
Methyl isobutyl ketone 24,327 1 2,551
Cumene 4,099 0 12
Ethylbenzene 30,943 1 378
Xylene (mixed isomers) 125,141 69 4,849
1,2,4-Trimethylbenzene 41,563 55 8,010
n-Butyl alcohol 21,420 5 4,897

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
GAGE PRODUCTS
FERNDALE, MI
Methanol 2,081
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Methanol 1,677
GAGE PRODUCTS
FERNDALE, MI
Certain glycol ethers 320
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Certain glycol ethers 1,508
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Certain glycol ethers 0
GAGE PRODUCTS
FERNDALE, MI
Ethylbenzene 30,893
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Ethylbenzene 45
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Ethylbenzene 5
GAGE PRODUCTS
FERNDALE, MI
Cumene 4,098
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Cumene 1
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Cumene
GAGE PRODUCTS
FERNDALE, MI
Methyl isobutyl ketone 24,010
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Methyl isobutyl ketone 313
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Methyl isobutyl ketone 5
GAGE PRODUCTS
FERNDALE, MI
n-Butyl alcohol 20,809
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
n-Butyl alcohol 606
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
n-Butyl alcohol 5
GAGE PRODUCTS
FERNDALE, MI
Toluene 4,354
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Toluene 3
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Toluene 6
GAGE PRODUCTS
FERNDALE, MI
1,2,4-Trimethylbenzene 40,658
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
1,2,4-Trimethylbenzene 905
GAGE PRODUCTS
FERNDALE, MI
Xylene (mixed isomers) 124,854
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Xylene (mixed isomers) 250
SAFETY-KLEEN SYSTEMS, INC. - ROMULUS, MI
ROMULUS, MI
Xylene (mixed isomers) 37
EAGLE ENVIRONMENTAL LLC
FRAZEYSBURG, OH
Ethylene glycol 1,400
PETRO-CHEM PROCESSING GROUP OFNORTRU
DETROIT, MI
Zinc compounds 0
CARLETON FARMS LANDFILL
NEW BOSTON, MI
Zinc compounds 47,057
ENVIROSOLIDS LLC
DEARBORN, MI
Zinc compounds 1,689

Transfers to Publicly-Owned Treatment Works (POTWs)

Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.

Chemical Transferred (lbs) POTW
Ethylene glycol 204 DETROIT WATER&SEWER DEPT, DETROIT
Sodium nitrite 679 DETROIT WATER&SEWER DEPT, DETROIT
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 10,142 DETROIT WATER&SEWER DEPT, DETROIT
Zinc compounds 287 DETROIT WATER&SEWER DEPT, DETROIT

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 for Universal Waste Management: Standards for Small Quantity Handlers Nov 7, 2024 Nov 7, 2024 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Nov 7, 2024 Nov 15, 2024 Resolved
caa FRV Oct 21, 2022 Open
caa FRV Sep 20, 2022 Open
caa FRV May 13, 2022 Open
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Aug 6, 2020 Mar 4, 2021 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Aug 6, 2020 Mar 4, 2021 Resolved
cwa Schedule Event unachieved and not reported Jan 10, 2015 Jan 9, 2016 Resolved
cwa Schedule Event unachieved but reported Jan 10, 2015 Jan 9, 2016 Resolved
cwa Schedule Event achieved late but reported Jan 10, 2015 Open
cwa Schedule Event reported late Jan 10, 2015 Open
rcra Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks Jun 8, 2002 Sep 30, 2002 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Nov 12, 1998 Apr 20, 1999 Resolved
rcra Standards Applicable to Generators of HW: General Apr 16, 1991 May 10, 1991 Resolved
rcra Land Disposal Restrictions: General Apr 16, 1991 May 10, 1991 Resolved
rcra Land Disposal Restrictions: General May 23, 1989 Aug 7, 1989 Resolved
rcra Standards Applicable to Generators of HW: General May 23, 1989 Aug 7, 1989 Resolved
rcra Standards Applicable to Generators of HW: General Jan 27, 1986 Mar 7, 1986 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.

Judicial
· Case 05-1984-0047
Notice of Violation
Clean Air Act · Case 3603414101 · Oct 21, 2022
Notice of Violation
Clean Air Act · Case 3603391059 · Sep 20, 2022
Notice of Violation
Clean Air Act · Case 3603181284 · May 13, 2022
Administrative - Formal
· Case 05-2006-3689 · Jun 22, 2006
Compliance Communication Letter
RCRA (Hazardous Waste) · Case RCRA-MID005358007-001 · Sep 30, 2002
$16,000
Administrative - Formal
· Case 05-2002-3005 · Sep 30, 2002
$112,000
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MID005358007-005 · Nov 12, 1998
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MID005358007-004 · Apr 18, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MID005358007-002 · Jun 2, 1989
Judicial
· Case 05-1984-0048 · May 31, 1985
$1,500,000

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