Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
WESTON
Quick Summary
- •Released 197,548 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
-
2491 OLD HWY 51
KRONENWETTER, WI 54455
View on map ↗ - County
- MARATHON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 3 · last Mar 13, 2026
- Total Penalties
- $0 · last Aug 19, 2013
- Registry ID
- 110043779783
How This Compares
#19
of 713 TRI reporters in WI
#215
of 584 TRI reporters in Utilities
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.
5
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
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)
-32% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 775,691 | — |
| 2016 | 112,042 | -86% |
| 2017 | 197,548 | +76% |
| 2018 | 233,948 | +18% |
| 2019 | 16,023 | -93% |
| 2020 | 322,358 | +1912% |
| 2021 | 239,380 | -26% |
| 2022 | 352,553 | +47% |
| 2023 | 55,978 | -84% |
| 2024 | 524,569 | +837% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 446,381 | 1,062 | 834 | 444,485 | 119,337 | |
| Manganese compounds | 17,588 | 153 | 254 | 17,181 | 4,609 | |
| Ammonia | 17,492 | 17,492 | — | — | — | |
| Vanadium compounds | 14,181 | 79 | — | 14,102 | 3,783 | |
| Copper compounds | 11,738 | 100 | 14 | 11,624 | 3,132 | |
| Zinc compounds | 7,657 | 299 | — | 7,358 | 1,990 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,053 | 4,053 | — | — | — | |
| Lead compounds | 2,628 | 20 | 2 | 2,607 | 702 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,555 | 1,555 | — | — | — | |
| Hydrogen fluoride | 1,210 | 1,210 | — | — | — | |
| Mercury compounds | 76 | 11 | — | 65 | 18 | |
| Polycyclic aromatic compounds | 9 | 8 | — | 1 | 0 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 0 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 32,143 | 943 | 746 | 30,454 | 615,178 | |
| Ammonia | 11,699 | 11,699 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,989 | 4,989 | — | — | — | |
| Manganese compounds | 1,800 | 142 | 232 | 1,426 | 28,788 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,344 | 1,344 | — | — | — | |
| Hydrogen fluoride | 1,045 | 1,045 | — | — | — | |
| Zinc compounds | 980 | 295 | — | 685 | 13,884 | |
| Vanadium compounds | 918 | 62 | — | 856 | 17,276 | |
| Copper compounds | 860 | 83 | 39 | 738 | 14,932 | |
| Lead compounds | 180 | 15 | 2 | 163 | 3,295 | |
| Mercury compounds | 13 | 8 | — | 5 | 91 | |
| Polycyclic aromatic compounds | 6 | 6 | — | 0 | 1 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 0 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 304,341 | 1,459 | 829 | 302,053 | 606,241 | |
| Manganese compounds | 10,556 | 168 | 242 | 10,146 | 20,354 | |
| Vanadium compounds | 9,738 | 100 | — | 9,638 | 19,337 | |
| Copper compounds | 8,715 | 124 | 34 | 8,557 | 17,202 | |
| Ammonia | 6,492 | 6,492 | — | — | — | |
| Zinc compounds | 5,994 | 378 | — | 5,616 | 11,306 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,986 | 1,986 | — | — | — | |
| Lead compounds | 1,960 | 26 | 2 | 1,931 | 3,882 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,524 | 1,524 | — | — | — | |
| Hydrogen fluoride | 1,190 | 1,190 | — | — | — | |
| Mercury compounds | 48 | 8 | — | 39 | 79 | |
| Polycyclic aromatic compounds | 9 | 8 | — | 1 | 1 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 0 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 170,808 | 1,416 | 747 | 168,645 | 894,176 | |
| Hydrogen fluoride | 34,764 | 34,764 | — | — | — | |
| Ammonia | 7,159 | 7,159 | — | — | — | |
| Manganese compounds | 6,548 | 180 | 217 | 6,151 | 32,603 | |
| Vanadium compounds | 5,503 | 100 | — | 5,403 | 28,637 | |
| Copper compounds | 4,823 | 127 | 25 | 4,671 | 24,805 | |
| Zinc compounds | 4,669 | 442 | — | 4,227 | 22,461 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,176 | 2,176 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,673 | 1,673 | — | — | — | |
| Lead compounds | 1,214 | 31 | 2 | 1,181 | 6,269 | |
| Mercury compounds | 33 | 10 | — | 22 | 119 | |
| Polycyclic aromatic compounds | 9 | 9 | — | 0 | 2 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 244,500 | 796 | 385 | 243,319 | 756,769 | |
| Hydrogen fluoride | 28,858 | 28,858 | — | — | — | |
| Manganese compounds | 11,231 | 136 | 799 | 10,296 | 32,016 | |
| Zinc compounds | 9,708 | 393 | 46 | 9,269 | 28,882 | |
| Vanadium compounds | 8,720 | 68 | — | 8,652 | 26,903 | |
| Copper compounds | 7,102 | 94 | 29 | 6,979 | 21,724 | |
| Ammonia | 6,688 | 6,688 | — | — | — | |
| Lead compounds | 2,039 | 21 | 3 | 2,014 | 6,269 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,951 | 1,951 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,503 | 1,503 | — | — | — | |
| Mercury compounds | 49 | 8 | — | 42 | 129 | |
| Polycyclic aromatic compounds | 8 | 8 | — | 1 | 2 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 7,041 | 146 | 21 | 6,874 | 24,876 | |
| Vanadium compounds | 6,882 | 114 | — | 6,768 | 24,458 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,099 | 2,099 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 162,441 | 1,837 | 458 | 160,146 | 586,538 | |
| Hydrogen fluoride | 34,065 | 34,065 | — | — | — | |
| Ammonia | 11,359 | 11,359 | — | — | — | |
| Manganese compounds | 7,086 | 214 | 949 | 5,923 | 21,682 | |
| Copper compounds | 5,321 | 154 | 26 | 5,141 | 18,863 | |
| Zinc compounds | 4,942 | 521 | 52 | 4,369 | 16,029 | |
| Vanadium compounds | 4,586 | 110 | — | 4,476 | 16,385 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,869 | 1,869 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,192 | 1,192 | — | — | — | |
| Lead compounds | 1,041 | 26 | 6 | 1,009 | 3,702 | |
| Mercury compounds | 37 | 9 | 0 | 27 | 99 | |
| Polycyclic aromatic compounds | 9 | 9 | — | 0 | 1 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 130,417 | 1,477 | 449 | 128,491 | 795,125 | |
| Hydrogen fluoride | 27,404 | 27,404 | — | — | — | |
| Ammonia | 18,715 | 18,715 | — | — | — | |
| Manganese compounds | 5,382 | 178 | 929 | 4,275 | 26,454 | |
| Zinc compounds | 5,206 | 517 | 50 | 4,639 | 28,707 | |
| Copper compounds | 3,954 | 129 | 44 | 3,781 | 23,400 | |
| Vanadium compounds | 3,873 | 96 | — | 3,777 | 23,374 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,334 | 1,334 | — | — | — | |
| Lead compounds | 918 | 34 | 4 | 879 | 5,442 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 305 | 305 | — | — | — | |
| Mercury compounds | 31 | 10 | 0 | 20 | 127 | |
| Polycyclic aromatic compounds | 9 | 8 | — | 0 | 2 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 60,798 | 1,185 | 422 | 59,191 | 1,202,286 | |
| Hydrogen fluoride | 19,559 | 19,559 | — | — | — | |
| Ammonia | 17,086 | 17,086 | — | — | — | |
| Zinc compounds | 3,142 | 489 | 47 | 2,606 | 52,945 | |
| Manganese compounds | 2,931 | 154 | 873 | 1,904 | 38,670 | |
| Copper compounds | 1,787 | 110 | 25 | 1,652 | 33,563 | |
| Vanadium compounds | 1,750 | 78 | — | 1,672 | 33,971 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,724 | 162 | 12 | 1,550 | 31,494 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,465 | 1,465 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,369 | 1,369 | — | — | — | |
| Lead compounds | 409 | 33 | 6 | 371 | 7,539 | |
| Mercury compounds | 13 | 4 | 0 | 9 | 189 | |
| Polycyclic aromatic compounds | 8 | 7 | — | 0 | 5 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 630,389 | 1,783 | 392 | 628,214 | 385,647 | |
| Hydrogen fluoride | 33,281 | 33,281 | — | — | — | |
| Zinc compounds | 24,639 | 583 | 44 | 24,012 | 14,743 | |
| Manganese compounds | 23,545 | 218 | 811 | 22,516 | 13,822 | |
| Vanadium compounds | 20,584 | 122 | — | 20,462 | 12,561 | |
| Ammonia | 16,864 | 16,864 | — | — | — | |
| Copper compounds | 16,442 | 136 | 32 | 16,274 | 9,993 | |
| Lead compounds | 4,640 | 46 | 6 | 4,588 | 2,817 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,063 | 3,063 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,076 | 2,076 | — | — | — | |
| Mercury compounds | 156 | 91 | 0 | 65 | 40 | |
| Polycyclic aromatic compounds | 12 | 8 | — | 3 | 2 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
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 |
|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 32,529 |
| Hydrogen fluoride | — | — | — | 118,835 |
| Zinc compounds | — | 4 | — | — |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 1,113,856 |
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 |
|---|---|---|---|---|---|
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Lead compounds | 702 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 119,337 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Copper compounds | 3,132 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Zinc compounds | 1,986 | — | — | — |
|
SET ENVIRONMENTAL INC
MUSKEGO, WI
|
Zinc compounds | — | 4 | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Mercury compounds | 18 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Vanadium compounds | 3,783 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Polycyclic aromatic compounds | 0 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Benzo[g,h,i]perylene | 0 | — | — | — |
|
MARATHON COUNTY SOLID WASTE
RINGLE, WI
|
Manganese compounds | 4,609 | — | — | — |
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 | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | FRV | Dec 27, 2024 | — | Open |
| caa | FRV | Jul 29, 2024 | — | Open |
| caa | FRV | Jan 17, 2024 | — | Open |
| caa | FRV | Jan 17, 2024 | — | Open |
| caa | FRV | Dec 21, 2023 | — | Open |
| caa | FRV | Dec 21, 2023 | — | Open |
| caa | FRV | May 26, 2023 | — | Open |
| caa | FRV | Jan 4, 2023 | — | Open |
| caa | FRV | Apr 21, 2022 | — | Open |
| caa | FRV | Feb 14, 2022 | — | Open |
| caa | FRV | Feb 14, 2022 | — | Open |
| caa | FRV | May 3, 2021 | — | Open |
| caa | FRV | Dec 23, 2020 | — | Open |
| caa | FRV | Apr 7, 2020 | — | Open |
| caa | FRV | Nov 14, 2019 | — | Open |
| caa | FRV | Nov 14, 2019 | — | Open |
| caa | FRV | Jul 23, 2018 | — | Open |
| caa | FRV | Nov 2, 2016 | — | Open |
| caa | FRV | May 10, 2016 | — | Open |
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 3603618609 · Jun 2, 2023
Notice of Violation
Clean Air Act
· Case 3603501245 · Feb 1, 2023
Warning Letter
Clean Air Act
· Case 3603118600 · May 2, 2022
Warning Letter
Clean Air Act
· Case 3603003872 · Feb 21, 2022
Warning Letter
Clean Air Act
· Case 3602711049 · May 7, 2021
Warning Letter
Clean Air Act
· Case 3602379714 · Jan 11, 2021
Warning Letter
Clean Air Act
· Case 3602109277 · Feb 7, 2020
Warning Letter
Clean Air Act
· Case 3602379713 · Jul 25, 2018
Warning Letter
Clean Air Act
· Case 3601517559 · Jul 25, 2018
Warning Letter
Clean Air Act
· Case 3600991816 · Nov 8, 2016
Warning Letter
Clean Air Act
· Case 3600745870 · May 31, 2016
Judicial
· Case 05-2010-5520 · Mar 7, 2013
$1,200,000
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