Non-Compliance
TRI Reporter
Clean Air Act
RCRA
A. P. NONWEILER CO., INC.
Quick Summary
- •Released 22,281 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 chemicals classified as known or probable carcinogens.
- Address
-
3321 N. SHORE DR.
OSHKOSH, WI 54901
View on map ↗ - County
- WINNEBAGO County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325510
- Inspections
- 3 · last Jun 11, 2025
- Total Penalties
- $0
- Registry ID
- 110002318368
How This Compares
#108
of 713 TRI reporters in WI
#2,673
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
Qtrs Non-Compliant
0
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)
+3% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 12,179 | — |
| 2016 | 12,967 | +6% |
| 2017 | 22,281 | +72% |
| 2018 | 12,152 | -45% |
| 2019 | 6,869 | -43% |
| 2020 | 17,844 | +160% |
| 2021 | 19,742 | +11% |
| 2022 | 14,370 | -27% |
| 2023 | 8,663 | -40% |
| 2024 | 12,510 | +44% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | — | |
| Diisocyanates | 8,372 | 8,372 | — | — | 9,111 | |
| Xylene (mixed isomers) | 2,405 | 2,405 | — | — | 469 | |
| 1,2,4-Trimethylbenzene | 1,128 | 1,128 | — | — | 1,227 | |
| Tetrachloroethylene | 602 | 602 | — | — | 2,696 | ♦ Carcinogen |
| Lead compounds | 2 | 2 | — | — | 491 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | — | — | 658 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | — | — | — | — | — | |
| Zinc (fume or dust) | — | — | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Lead compounds | — | — | — | — | 3 | |
| Diisocyanates | 6,747 | 6,747 | — | — | 5,770 | |
| 1,2,4-Trimethylbenzene | 884 | 884 | — | — | 756 | |
| Tetrachloroethylene | 586 | 586 | — | — | 501 | ♦ Carcinogen |
| Xylene (mixed isomers) | 446 | 446 | — | — | 382 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | — | — | — | — | 17 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Zinc (fume or dust) | — | — | — | — | — | |
| Diisocyanates | 5,820 | 5,820 | — | — | 2,161 | |
| Toluene | 2,239 | 2,239 | — | — | 827 | |
| Certain glycol ethers | 1,864 | 1,864 | — | — | 688 | |
| Xylene (mixed isomers) | 1,853 | 1,853 | — | — | 684 | |
| Tetrachloroethylene | 967 | 967 | — | — | 357 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 903 | 903 | — | — | 334 | |
| Ethylbenzene | 382 | 382 | — | — | 141 | ♦ Carcinogen |
| n-Butyl alcohol | 342 | 342 | — | — | 126 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | — | — | — | — | 13 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Zinc (fume or dust) | — | — | — | — | — | |
| Toluene | 5,599 | 5,599 | — | — | 3,048 | |
| Xylene (mixed isomers) | 3,620 | 3,620 | — | — | 1,971 | |
| Certain glycol ethers | 3,514 | 3,514 | — | — | 1,914 | |
| Diisocyanates | 3,218 | 3,218 | — | — | 1,751 | |
| 1,2,4-Trimethylbenzene | 1,235 | 1,235 | — | — | 672 | |
| n-Butyl alcohol | 1,080 | 1,080 | — | — | 588 | |
| Ethylbenzene | 739 | 739 | — | — | 401 | ♦ Carcinogen |
| Tetrachloroethylene | 737 | 737 | — | — | 400 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Lead compounds | — | — | — | — | 28 | |
| Toluene | 5,019 | 5,019 | — | — | 3,502 | |
| Xylene (mixed isomers) | 3,845 | 3,845 | — | — | 2,683 | |
| Diisocyanates | 3,239 | 3,239 | — | — | 2,260 | |
| Certain glycol ethers | 2,447 | 2,447 | — | — | 1,707 | |
| Methanol | 791 | 791 | — | — | 551 | |
| Ethylbenzene | 779 | 779 | — | — | 543 | ♦ Carcinogen |
| n-Butyl alcohol | 698 | 698 | — | — | 487 | |
| 1,2,4-Trimethylbenzene | 639 | 639 | — | — | 446 | |
| Methyl isobutyl ketone | 387 | 387 | — | — | 270 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | — | — | — | — | 9 | |
| Toluene | 5,646 | 5,646 | — | — | 5,233 | |
| Methanol | 812 | 812 | — | — | 753 | |
| Methyl isobutyl ketone | 411 | 411 | — | — | 381 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Copper | — | — | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Zinc (fume or dust) | — | — | — | — | — | |
| Lead compounds | — | — | — | — | 4 | |
| Toluene | 5,307 | 5,307 | — | — | 4,481 | |
| Xylene (mixed isomers) | 3,983 | 3,983 | — | — | 3,363 | |
| Methanol | 1,096 | 1,096 | — | — | 926 | |
| Mixture | 960 | 960 | — | — | 810 | |
| Ethylbenzene | 806 | 806 | — | — | 680 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Copper | — | — | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — | — | |
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | — | — | — | — | — | |
| Tetrachloroethylene | 11,431 | 11,431 | — | — | 54,568 | ♦ Carcinogen |
| Toluene | 5,662 | 5,662 | — | — | 27,730 | |
| Xylene (mixed isomers) | 3,622 | 3,622 | — | — | 17,737 | |
| Ethylbenzene | 725 | 725 | — | — | 3,553 | ♦ Carcinogen |
| Methanol | 491 | 491 | — | — | 2,403 | |
| Methyl isobutyl ketone | 350 | 350 | — | — | 1,712 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Toluene | 6,905 | 6,905 | — | — | 105,450 | |
| Xylene (mixed isomers) | 4,213 | 4,213 | — | — | 64,346 | |
| Ethylbenzene | 833 | 833 | — | — | 12,725 | ♦ Carcinogen |
| Methanol | 557 | 557 | — | — | 8,500 | |
| Methyl isobutyl ketone | 459 | 459 | — | — | 7,002 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Toluene | 5,724 | 5,724 | — | — | 80,020 | |
| Xylene (mixed isomers) | 3,205 | 3,205 | — | — | 43,028 | |
| Certain glycol ethers | 2,272 | 2,272 | — | — | 30,099 | |
| Methanol | 556 | 556 | — | — | 7,694 | |
| Methyl isobutyl ketone | 422 | 422 | — | — | 5,778 | ♦ 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 |
|---|---|---|---|---|
| Diisocyanates | — | 5,980 | 3,105 | 26 |
| Tetrachloroethylene | — | 614 | 319 | 1,763 |
| 1,2,4-Trimethylbenzene | — | 806 | 418 | 3 |
| Xylene (mixed isomers) | — | 308 | 160 | 1 |
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 |
|---|---|---|---|---|---|
|
HERITAGE ENVIRONMENTAL SVCS LLC
KANSAS CITY, MO
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 322 | — | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 336 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS, LLC
MENOMONEE FALLS, WI
|
Lead compounds | 393 | — | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Lead compounds | 96 | — | — | — |
|
HERITAGE ENVIRONMENTAL SVCS LLC
KANSAS CITY, MO
|
Lead compounds | 2 | — | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Diisocyanates | — | — | — | 26 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Diisocyanates | — | — | 3,082 | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Xylene (mixed isomers) | — | — | 1 | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Xylene (mixed isomers) | — | — | 159 | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
1,2,4-Trimethylbenzene | — | 806 | — | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
1,2,4-Trimethylbenzene | — | — | 415 | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Tetrachloroethylene | — | 614 | — | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Tetrachloroethylene | — | — | 317 | — |
|
HERITAGE ENVIRONMENTAL SVCS LLC
KANSAS CITY, MO
|
Tetrachloroethylene | — | — | — | 1,760 |
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 | FRV | Mar 12, 2024 | — | Open |
| caa | FRV | Mar 12, 2024 | — | Open |
| caa | FRV | Mar 12, 2024 | — | Open |
| caa | FRV | Mar 12, 2024 | — | Open |
| caa | FRV | Mar 12, 2024 | — | Open |
| caa | FRV | Apr 5, 2022 | — | Open |
| caa | FRV | Jun 16, 2020 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 20, 2019 | Aug 9, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | May 20, 2019 | Aug 9, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 20, 2019 | Aug 9, 2019 | Resolved |
| caa | FRV | Sep 25, 2016 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 2, 2011 | Aug 26, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Apr 14, 2005 | Jan 27, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 14, 2005 | Jan 27, 2006 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Apr 14, 2005 | Jan 27, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 10, 1990 | Oct 6, 1993 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 20, 1986 | May 30, 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.
Warning Letter
Clean Air Act
· Case 3603118601 · May 3, 2022
Warning Letter
Clean Air Act
· Case 3602335573 · Aug 14, 2020
Warning Letter
Clean Air Act
· Case 3600991813 · Jan 13, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WID006069298-001 · Jul 18, 2005
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