CLEVELAND-CLIFFS STEEL CORP - DEARBORN WORKS
Quick Summary
- •Released 23,056 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 $196,510 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
4001 MILLER RD
DEARBORN, MI 48120
View on map ↗ - County
- WAYNE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331110
- Inspections
- 6 · last Jun 11, 2025
- Total Penalties
- $196,510 · last Nov 14, 2024
- Registry ID
- 110060497001
How This Compares
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.
Qtrs Non-Compliant
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.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 14,270 | — |
| 2016 | 17,486 | +23% |
| 2017 | 23,056 | +32% |
| 2018 | 24,775 | +7% |
| 2019 | 27,783 | +12% |
| 2020 | 19,624 | -29% |
| 2021 | 26,404 | +35% |
| 2022 | 22,546 | -15% |
| 2023 | 17,969 | -20% |
| 2024 | 15,193 | -15% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 6,711 | 6,391 | 320 | — | 3,899,025 | |
| Manganese compounds | 5,490 | 1,367 | 4,123 | — | 4,478,646 | |
| Copper compounds | 1,746 | 43 | 1,703 | — | 43,191 | |
| Nickel compounds | 601 | 144 | 457 | — | 21,768 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 351 | 231 | 120 | — | 192,377 | |
| Lead compounds | 257 | 248 | 10 | — | 116,466 | |
| Mercury compounds | 36 | 36 | — | — | 18 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 7,974 | 7,689 | 285 | — | 5,207,446 | |
| Manganese compounds | 6,745 | 2,189 | 4,556 | — | 3,668,135 | |
| Copper compounds | 1,876 | 55 | 1,821 | — | 39,083 | |
| Nickel compounds | 565 | 160 | 405 | — | 16,405 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 471 | 276 | 195 | — | 143,476 | |
| Lead compounds | 297 | 283 | 14 | — | 78,345 | |
| Mercury compounds | 41 | 41 | 0 | — | 16 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 11,523 | 11,057 | 466 | — | 4,950,288 | |
| Manganese compounds | 7,441 | 2,673 | 4,768 | — | 3,900,096 | |
| Copper compounds | 1,845 | 63 | 1,782 | — | 38,142 | |
| Lead compounds | 764 | 741 | 23 | — | 79,640 | |
| Nickel compounds | 642 | 158 | 484 | — | 15,222 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 272 | 272 | — | — | 145,719 | |
| Mercury compounds | 58 | 58 | — | — | 19 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 14,703 | 14,017 | 686 | — | 5,441,325 | |
| Manganese compounds | 7,894 | 3,105 | 4,789 | — | 3,290,806 | |
| Copper compounds | 1,754 | 103 | 1,651 | — | 54,463 | |
| Lead compounds | 1,125 | 1,110 | 15 | — | 147,272 | |
| Nickel compounds | 577 | 166 | 411 | — | 17,620 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 284 | 284 | — | — | 147,072 | |
| Mercury compounds | 66 | 66 | 0 | — | 24 | |
| Polycyclic aromatic compounds | 0 | 0 | 0 | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 15,851 | 15,044 | 807 | — | 7,640,725 | |
| Manganese compounds | 2,244 | 2,244 | — | — | 4,457,420 | |
| Lead compounds | 779 | 765 | 14 | — | 118,209 | |
| Formaldehyde | 224 | 224 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 203 | 203 | — | — | 202,500 | |
| Copper compounds | 153 | 65 | 88 | — | 54,582 | |
| Nickel compounds | 118 | 118 | — | — | 24,319 | ♦ Carcinogen |
| Mercury compounds | 47 | 47 | 0 | — | 22 | |
| Phenol | 6 | — | 6 | — | — | |
| Polycyclic aromatic compounds | 0 | 0 | 0 | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 27,518 | 26,498 | 1,020 | — | 9,669,612 | |
| Copper compounds | 265 | 105 | 160 | — | 100,787 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 20,673 | 19,611 | 1,062 | — | 10,024,528 | |
| Manganese compounds | 2,242 | 2,242 | — | — | 6,812,475 | |
| Formaldehyde | 462 | 462 | — | — | — | ♦ Carcinogen |
| Copper compounds | 429 | 89 | 340 | — | 84,525 | |
| Lead compounds | 418 | 400 | 18 | — | 184,473 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 301 | 301 | — | — | 334,569 | |
| Nickel compounds | 178 | 178 | — | — | 40,742 | ♦ Carcinogen |
| Mercury compounds | 61 | 61 | — | — | 41 | |
| Phenol | 11 | — | 11 | — | — | |
| Polycyclic aromatic compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 18,578 | 17,720 | 858 | — | 6,760,106 | |
| Manganese compounds | 2,757 | 2,757 | — | — | 1,968,567 | |
| Lead compounds | 488 | 418 | 70 | — | 109,958 | |
| Copper compounds | 411 | 49 | 362 | — | 17,621 | |
| Formaldehyde | 365 | 365 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 211 | 211 | — | — | 10,493 | |
| Nickel compounds | 171 | 171 | — | — | 8,506 | ♦ Carcinogen |
| Mercury compounds | 61 | 61 | 0 | — | 8 | |
| Phenol | 13 | — | 13 | — | — | |
| Polycyclic aromatic compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 13,016 | 11,575 | 1,441 | — | 7,332,247 | |
| Manganese compounds | 1,469 | 1,469 | — | — | 1,858,047 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,278 | 1,278 | — | — | — | |
| Lead compounds | 550 | 464 | 86 | — | 115,868 | |
| Formaldehyde | 372 | 372 | — | — | — | ♦ Carcinogen |
| Copper compounds | 359 | 40 | 319 | — | 19,109 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 215 | 215 | — | — | 11,711 | |
| Nickel compounds | 173 | 173 | — | — | 10,151 | ♦ Carcinogen |
| Mercury compounds | 46 | 45 | 1 | — | 10 | |
| Phenol | 8 | — | 8 | — | — | |
| Polycyclic aromatic compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | — | |
| Zinc compounds | 10,108 | 8,833 | 1,275 | — | 6,691,476 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,407 | 1,407 | — | — | — | |
| Manganese compounds | 1,275 | 1,275 | — | — | 1,568,397 | |
| Lead compounds | 547 | 435 | 112 | — | 105,332 | |
| Formaldehyde | 463 | 463 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 208 | 208 | — | — | 19,203 | |
| Nickel compounds | 170 | 170 | — | — | 12,097 | ♦ Carcinogen |
| Copper compounds | 51 | 37 | 14 | — | 21,078 | |
| Mercury compounds | 39 | 38 | 1 | — | 5 | |
| Phenol | 2 | — | 2 | — | — | |
| Polycyclic aromatic compounds | 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 |
|---|---|---|---|---|
| Mercury compounds | — | 0 | — | — |
| Zinc compounds | — | 557,856 | — | — |
| Copper compounds | — | 1,837 | — | — |
| Nickel compounds | — | 235 | — | — |
| Lead compounds | — | 12,633 | — | — |
| Manganese compounds | — | 1,117,896 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1,907 | — | — |
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 |
|---|---|---|---|---|---|
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Nickel compounds | — | 8 | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Nickel compounds | — | 32 | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Nickel compounds | 2 | — | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Nickel compounds | — | 194 | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Nickel compounds | 6 | — | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Nickel compounds | 0 | — | — | — |
|
VALICOR
DEARBORN, MI
|
Nickel compounds | 85 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Nickel compounds | 21,396 | — | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Copper compounds | 572 | — | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Copper compounds | 0 | — | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Copper compounds | — | 1,200 | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Copper compounds | — | 308 | — | — |
|
VALICOR
DEARBORN, MI
|
Copper compounds | 479 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Copper compounds | 38,726 | — | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Copper compounds | 1,506 | — | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Copper compounds | — | 329 | — | — |
|
VALICOR
DEARBORN, MI
|
Lead compounds | 7 | — | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Lead compounds | — | 2,578 | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Lead compounds | — | 10,032 | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Lead compounds | 768 | — | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Lead compounds | — | 24 | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Lead compounds | 2,023 | — | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Lead compounds | 0 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Lead compounds | 99,274 | — | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 349 | — | — |
|
VALICOR
DEARBORN, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,677 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 187,548 | — | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 477 | — | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 197 | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 721 | — | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | — | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1,360 | — | — |
|
VALICOR
DEARBORN, MI
|
Mercury compounds | 0 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Mercury compounds | 15 | — | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Mercury compounds | — | 0 | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Mercury compounds | — | 0 | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Zinc compounds | — | 111,969 | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Zinc compounds | — | 435,798 | — | — |
|
CLEVELAND-CLIFFS BURNS HARBOR LLC
BURNS HARBOR, IN
|
Zinc compounds | — | 6,042 | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Zinc compounds | 29,089 | — | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Zinc compounds | — | 88 | — | — |
|
E.J. BOGNAR, INC.
EAST PALESTINE, OH
|
Zinc compounds | — | 181 | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Zinc compounds | 76,603 | — | — | — |
|
MID-CONTINENT COAL & COKE COMPANY
CLEVELAND, OH
|
Zinc compounds | — | 1,008 | — | — |
|
POWERS COKE
CLEVELAND, OH
|
Zinc compounds | — | 2,435 | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Zinc compounds | 0 | — | — | — |
|
VALICOR
DEARBORN, MI
|
Zinc compounds | 63,901 | — | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Zinc compounds | 3,170,997 | — | — | — |
|
CARB-RITE INC.
SCHNEIDER, IN
|
Zinc compounds | — | 336 | — | — |
|
VALICOR
DEARBORN, MI
|
Manganese compounds | 48,604 | — | — | — |
|
ADVANCED MICRONUTRIENT PRODUCTS INC
REESE, MI
|
Manganese compounds | — | 9,196 | — | — |
|
BEFESA ZINC US INC.
CHICAGO, IL
|
Manganese compounds | — | 35,793 | — | — |
|
POWERS COKE
CLEVELAND, OH
|
Manganese compounds | — | 287,061 | — | — |
|
MICHIGAN DISPOSAL WASTE TREATMENT PLANT
BELLEVILLE, MI
|
Manganese compounds | 37,888 | — | — | — |
|
EQ DETROIT INC
DETROIT, MI
|
Manganese compounds | 14,564 | — | — | — |
|
US ECOLOGY MICHIGAN INC
DETROIT, MI
|
Manganese compounds | 1 | — | — | — |
|
CLEVELAND-CLIFFS BURNS HARBOR LLC
BURNS HARBOR, IN
|
Manganese compounds | — | 593,300 | — | — |
|
FPT ZALEV BROTHERS CO.
WINDSOR
|
Manganese compounds | — | 12,869 | — | — |
|
CARB-RITE INC.
SCHNEIDER, IN
|
Manganese compounds | — | 39,586 | — | — |
|
E.J. BOGNAR, INC.
EAST PALESTINE, OH
|
Manganese compounds | — | 21,288 | — | — |
|
WOODLAND MEADOWS RECYCLING & DISPOSAL FACILITY
CANTON, MI
|
Manganese compounds | 3,259,630 | — | — | — |
|
MID-CONTINENT COAL & COKE COMPANY
CLEVELAND, OH
|
Manganese compounds | — | 118,804 | — | — |
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: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 24, 2025 | Jun 24, 2025 | Resolved |
| cwa | Permit Violations - Discharge Without a Valid Permit | Mar 8, 2024 | — | Open |
| caa | FRV | Oct 6, 2023 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Aug 13, 2023 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Feb 9, 2023 | — | Open |
| caa | FRV | Jan 19, 2023 | — | Open |
| caa | FRV | Dec 19, 2022 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Aug 5, 2022 | Aug 5, 2022 | Resolved |
| caa | FRV | Aug 2, 2022 | — | Open |
| caa | FRV | Jan 5, 2021 | — | Open |
| caa | FRV | Jul 15, 2020 | — | Open |
| caa | FRV | Mar 16, 2020 | — | Open |
| caa | FRV | Mar 16, 2020 | — | Open |
| caa | FRV | Nov 25, 2019 | — | Open |
| caa | FRV | Nov 18, 2019 | — | Open |
| caa | FRV | Nov 18, 2019 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Aug 30, 2018 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 6, 2018 | May 8, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 17, 2018 | May 8, 2019 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 17, 2018 | Aug 24, 2018 | Resolved |
| caa | FRV | Oct 14, 2016 | — | Open |
| caa | FRV | Jul 1, 2016 | — | Open |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Apr 23, 2007 | Jul 23, 2007 | Resolved |
| rcra | Standards for the Management of Used Oil: Definitions | Jun 29, 2004 | Oct 22, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 22, 2003 | Oct 22, 2007 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 31, 2002 | Jul 14, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 31, 2002 | Mar 31, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 31, 2002 | Jul 14, 2003 | Resolved |
| rcra | Standards for Used Oil: Generators | Oct 31, 2002 | Jul 14, 2003 | Resolved |
| rcra | Standards for the Management of Used Oil: Definitions | Oct 22, 2002 | Oct 22, 2007 | Resolved |
| rcra | Standards for the Management of Used Oil: Definitions | Oct 21, 2002 | Oct 22, 2007 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | Dec 18, 2001 | Mar 8, 2006 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Oct 19, 1999 | Oct 19, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 23, 1999 | Jun 11, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Sep 16, 1998 | Jun 11, 2002 | Resolved |
| rcra | Land Disposal Restrictions: General | Sep 21, 1988 | Feb 22, 1989 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 21, 1988 | Feb 22, 1989 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Mar 14, 1986 | Mar 31, 1988 | 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 |
|---|---|---|---|---|---|---|
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.23 kg/d | 1.13 | +97% | Nov 2021 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.54 kg/d | 0.38 | +40% | Nov 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,436.81 kg/d | 5,493.40 | +17% | Jan 2020 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.35 kg/d | 1.13 | +19% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5,583.75 kg/d | 5,493.40 | +2% | Nov 2017 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.27 kg/d | 1.13 | +12% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 81.49 kg/d | 65.83 | +24% | Apr 2015 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 14.75 kg/d | 9.53 | +55% | Apr 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.86 kg/d | 23.61 | +60% | Apr 2015 | 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.