Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
NUCOR YAMATO STEEL CO
Quick Summary
- •Released 28,934 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 $2,665 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5929 AR-18
ARMOREL, AR 72310
View on map ↗ - County
- MISSISSIPPI County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331110
- Inspections
- 3 · last Sep 16, 2024
- Total Penalties
- $2,665 · last Mar 25, 2025
- Registry ID
- 110000743562
How This Compares
#71
of 316 TRI reporters in AR
#2,291
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
5
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)
-53% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 28,568 | — |
| 2016 | 30,144 | +6% |
| 2017 | 28,934 | -4% |
| 2018 | 27,453 | -5% |
| 2019 | 172 | -99% |
| 2020 | 18,664 | +10751% |
| 2021 | 17,870 | -4% |
| 2022 | 16,769 | -6% |
| 2023 | 16,294 | -3% |
| 2024 | 13,327 | -18% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 8,807 | 8,783 | 24 | — | 8,937,072 | |
| Manganese compounds | 2,970 | 2,970 | — | — | 1,195,129 | |
| Lead compounds | 852 | 849 | 3 | — | 558,910 | |
| Mercury compounds | 325 | 325 | — | — | 89 | |
| Copper compounds | 270 | 249 | 20 | — | 124,946 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 69 | 69 | — | — | 182,245 | |
| Nickel compounds | 32 | 32 | — | — | 16,971 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 10,741 | 10,712 | 30 | — | 10,911,390 | |
| Manganese compounds | 3,623 | 3,623 | — | — | 1,450,208 | |
| Lead compounds | 1,037 | 1,036 | 1 | — | 686,627 | |
| Mercury compounds | 397 | 397 | — | — | 109 | |
| Copper compounds | 370 | 253 | 117 | — | 153,720 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 85 | 85 | — | — | 220,833 | |
| Nickel compounds | 39 | 39 | — | — | 20,714 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 11,130 | 11,080 | 50 | — | 11,854,008 | |
| Manganese compounds | 3,683 | 3,683 | — | — | 1,574,741 | |
| Lead compounds | 1,040 | 1,037 | 3 | — | 746,380 | |
| Mercury compounds | 430 | 428 | 1 | — | 118 | |
| Copper compounds | 333 | 262 | 70 | — | 167,026 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 94 | 92 | 2 | — | 239,955 | |
| Nickel compounds | 58 | 40 | 17 | — | 21,851 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 12,190 | 12,151 | 39 | — | 9,000,690 | |
| Manganese compounds | 4,028 | 4,028 | — | — | 1,395,029 | |
| Lead compounds | 632 | 632 | 1 | — | 849,571 | |
| Mercury compounds | 497 | 495 | 2 | — | 120 | |
| Copper compounds | 360 | 287 | 73 | — | 200,532 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 97 | 95 | 2 | — | 161,709 | |
| Nickel compounds | 63 | 43 | 20 | — | 19,118 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 12,667 | 12,666 | 1 | — | 6,403,510 | |
| Manganese compounds | 4,304 | 4,304 | — | — | 992,041 | |
| Lead compounds | 745 | 744 | 1 | — | 603,966 | |
| Mercury compounds | 433 | 433 | — | — | 85 | |
| Copper compounds | 379 | 297 | 82 | — | 142,605 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 91 | 91 | — | — | 114,993 | |
| Nickel compounds | 43 | 43 | — | — | 13,590 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 119 | 119 | — | — | 139,541 | |
| Nickel compounds | 53 | 53 | — | — | 17,876 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 20,870 | 20,495 | 375 | — | 9,307,848 | |
| Manganese compounds | 4,784 | 4,784 | — | — | 1,438,592 | |
| Copper compounds | 662 | 474 | 188 | — | 210,521 | |
| Mercury compounds | 531 | 531 | — | — | 125 | |
| Lead compounds | 411 | 409 | 2 | — | 877,097 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 138 | 138 | — | — | 180,904 | |
| Nickel compounds | 58 | 58 | — | — | 19,060 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 20,225 | 20,185 | 40 | — | 7,303,625 | |
| Manganese compounds | 6,963 | 6,963 | — | — | 1,132,544 | |
| Lead compounds | 586 | 584 | 2 | — | 687,525 | |
| Copper compounds | 524 | 465 | 59 | — | 164,881 | |
| Mercury compounds | 452 | 452 | — | — | 98 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 129 | 129 | — | — | 147,574 | |
| Nickel compounds | 56 | 56 | — | — | 18,310 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 20,187 | 20,151 | 36 | — | 6,895,656 | |
| Manganese compounds | 8,111 | 8,111 | — | — | 1,087,245 | |
| Lead compounds | 730 | 728 | 2 | — | 659,068 | |
| Copper compounds | 490 | 465 | 25 | — | 155,591 | |
| Mercury compounds | 442 | 442 | — | — | 92 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 128 | 128 | — | — | 136,119 | |
| Nickel compounds | 56 | 56 | — | — | 18,043 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | 20,143 | 20,100 | 43 | — | 6,672,656 | |
| Manganese compounds | 6,645 | 6,645 | — | — | 1,039,351 | |
| Lead compounds | 615 | 611 | 2 | 1 | 628,298 | |
| Copper compounds | 507 | 463 | 16 | 28 | 148,273 | |
| Mercury compounds | 460 | 460 | — | — | 89 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 126 | 126 | — | — | 163,232 | |
| Nickel compounds | 72 | 54 | — | 18 | 19,338 | ♦ 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 |
|---|---|---|---|---|
| Nickel compounds | — | 13,151 | — | — |
| Manganese compounds | — | 1,139,934 | — | — |
| Zinc compounds | — | 8,614,047 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 174,322 | — | — |
| Copper compounds | — | 121,344 | — | — |
| Mercury compounds | — | 85 | — | — |
| Lead compounds | — | 541,890 | — | — |
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 |
|---|---|---|---|---|---|
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 174,322 | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7,923 | — | — | — |
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Manganese compounds | 5,029 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Manganese compounds | — | 1,139,934 | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Manganese compounds | 50,166 | — | — | — |
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Lead compounds | 129 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Lead compounds | — | 541,890 | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Lead compounds | 16,891 | — | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Zinc compounds | 313,686 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Zinc compounds | — | 8,614,047 | — | — |
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Zinc compounds | 9,339 | — | — | — |
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Nickel compounds | 3,323 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Nickel compounds | — | 13,151 | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Nickel compounds | 497 | — | — | — |
|
MISSISSIPPI COUNTY LANDFILL
LUXORA, AR
|
Mercury compounds | 0 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Mercury compounds | — | 85 | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Mercury compounds | 3 | — | — | — |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Copper compounds | 3,601 | — | — | — |
|
STEEL DUST RECYCLING, LLC
MILLPORT, AL
|
Copper compounds | — | 121,344 | — | — |
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 11, 2024 | — | Open |
| caa | FRV | Jun 27, 2019 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 9, 2019 | Jun 5, 2019 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 9, 2019 | Jun 5, 2019 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 9, 2019 | Jun 5, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 9, 2019 | Jun 5, 2019 | Resolved |
| cwa | Schedule Event reported late | May 7, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 7, 2018 | Jul 31, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | May 7, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | May 7, 2018 | Jul 31, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2016 | — | Open |
| cwa | Schedule Event reported late | Jul 1, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2014 | Jun 2, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2014 | Jun 2, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2014 | Jun 2, 2014 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2014 | Jun 2, 2014 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2014 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Nov 13, 2008 | Dec 17, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Nov 13, 2008 | Dec 17, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 10, 2002 | — | Open |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Jun 10, 2002 | Jul 10, 2002 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | May 16, 2001 | Jun 20, 2001 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 16, 2001 | Jun 20, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 16, 2001 | Jun 20, 2001 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 30, 2000 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2000 | — | Open |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Mar 3, 1999 | Mar 29, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Mar 3, 1999 | Mar 29, 1999 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jul 31, 1998 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 17, 1996 | Nov 22, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 17, 1996 | Nov 22, 1996 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Sep 30, 1996 | Apr 6, 2001 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Feb 4, 1996 | Apr 6, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Oct 13, 1995 | Sep 26, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 13, 1995 | Sep 26, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 17, 1990 | Aug 23, 1990 | 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 |
|---|---|---|---|---|---|---|
| Oxygen demand, chem. [low level] [COD] | DMR, Limited - Numeric Violation | 470.07 kg/d | 431.66 | +9% | Apr 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 1.44 kg/d | 0.51 | +183% | Apr 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.68 kg/d | 0.25 | +166% | Apr 2024 | Open |
| Oxygen demand, chem. [low level] [COD] | DMR, Limited - Numeric Violation | 113.00 mg/L | 75.00 | +51% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 212.00 mg/L | 200.00 | +6% | Jan 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +14% | Jan 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +14% | Mar 2023 | 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.
Administrative - Formal
Clean Air Act
· Case 3604334966 · Mar 25, 2025
$2,665
Notice of Violation
Clean Air Act
· Case 3603900079 · Mar 11, 2024
Administrative - Formal
Clean Air Act
· Case 3602192632 · Apr 28, 2020
$3,280
Notice of Violation
Clean Air Act
· Case 3601898182 · Jun 27, 2019
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-ARD981908890-001 · Nov 13, 2008
Administrative - Formal
· Case 06-2005-2908 · Jun 10, 2005
$1,000
State Administrative Order of Consent
Clean Water Act
· Case AR-N00006556 · Sep 10, 2002
$18,000
Judicial
· Case 06-1999-0877 · Jun 20, 2001
$1,253,846
State CWA Non Penalty AO
Clean Water Act
· Case AR-N00006713 · Sep 5, 2000
Judicial
· Case 06-1999-0016 · Dec 2, 1999
$340,000
State CWA Non Penalty AO
Clean Water Act
· Case AR-N00005116 · Jan 10, 1998
$2,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-ARD981908890-000 · Nov 12, 1996
State CWA Non Penalty AO
Clean Water Act
· Case AR-N00002578 · Jan 24, 1992
$25,000
State CWA Non Penalty AO
Clean Water Act
· Case AR-N00001130 · Sep 13, 1989
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