Non-Compliance
TRI Reporter
Clean Air Act
RCRA
STEEL DYNAMICS SOUTHWEST SINTON DIVISION
Quick Summary
- •Released 3,299 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
-
8534 HIGHWAY 89
SINTON, TX 78387
View on map ↗ - County
- SAN PATRICIO County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331110
- Inspections
- 2 · last Apr 22, 2025
- Total Penalties
- $0
- Registry ID
- 110071140318
How This Compares
#715
of 1,879 TRI reporters in TX
#5,594
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.
6
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
4
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 (2022–2024)
+39% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2022 | 2,373 | — |
| 2023 | 3,243 | +37% |
| 2024 | 3,299 | +2% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | 120,177 | |
| Lead compounds | 1,132 | 1,132 | 0 | — | 126,090 | |
| Manganese compounds | 630 | 614 | 16 | — | 476,236 | |
| n-Butyl alcohol | 347 | 347 | — | — | 62,117 | |
| 1,2,4-Trimethylbenzene | 303 | 303 | — | — | 54,149 | |
| Mercury compounds | 235 | 233 | 1 | — | 9 | |
| Xylene (mixed isomers) | 224 | 224 | — | — | 28,930 | |
| Naphthalene | 184 | 184 | 0 | — | 25,401 | ♦ Carcinogen |
| Certain glycol ethers | 134 | 134 | — | — | 23,939 | |
| Cumene | 57 | 57 | — | — | 10,116 | ♦ Carcinogen |
| Nickel compounds | 29 | 11 | 18 | — | 154,913 | ♦ Carcinogen |
| Copper compounds | 11 | — | 11 | — | 91,531 | |
| Zinc compounds | 8 | — | 8 | — | 16,715,560 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7 | 7 | 0 | — | 124,956 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | 274,495 | |
| Copper compounds | — | — | — | — | 149,234 | |
| Lead compounds | 970 | 970 | 0 | — | 58,586 | |
| Zinc compounds | 915 | — | 915 | — | 8,038,074 | |
| Manganese compounds | 511 | 511 | — | — | 518,026 | |
| Mercury compounds | 188 | 187 | 1 | — | 8 | |
| n-Butyl alcohol | 161 | 161 | — | — | 27,550 | |
| 1,2,4-Trimethylbenzene | 160 | 160 | — | — | 27,230 | |
| Xylene (mixed isomers) | 111 | 111 | — | — | 11,252 | |
| Naphthalene | 106 | 106 | — | — | 12,771 | ♦ Carcinogen |
| Certain glycol ethers | 56 | 56 | — | — | 9,753 | |
| Nickel compounds | 34 | 9 | 24 | — | — | ♦ Carcinogen |
| Cumene | 26 | 26 | — | — | 4,351 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7 | 6 | 1 | — | 9,557 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | — | 198,409 | |
| Lead compounds | 525 | 525 | 0 | — | 46,884 | |
| 1,2,4-Trimethylbenzene | 488 | 488 | — | — | 27,244 | |
| n-Butyl alcohol | 445 | 445 | — | — | 26,843 | |
| Naphthalene | 261 | 261 | — | — | 13,746 | ♦ Carcinogen |
| Xylene (mixed isomers) | 206 | 206 | — | — | 8,596 | |
| Certain glycol ethers | 135 | 135 | — | — | 7,452 | |
| Mercury compounds | 105 | 104 | 1 | — | 3 | |
| Cumene | 77 | 77 | — | — | 4,514 | ♦ Carcinogen |
| Zinc compounds | 54 | 54 | — | — | 6,710,689 | |
| Manganese compounds | 39 | 39 | — | — | 436,377 | |
| Nickel compounds | 31 | 4 | 27 | — | 731 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 8 | 7 | 0 | — | 5,230 |
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 |
|---|---|---|---|---|
| Copper compounds | — | 91,531 | — | — |
| Manganese compounds | — | 476,236 | — | — |
| Aluminum (fume or dust) | — | 120,177 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 98,992 | — | — |
| Zinc compounds | — | 16,715,560 | — | — |
| Xylene (mixed isomers) | — | — | — | 28,930 |
| Certain glycol ethers | — | — | — | 23,939 |
| n-Butyl alcohol | — | — | — | 62,117 |
| Naphthalene | — | — | — | 25,401 |
| Cumene | — | — | — | 10,116 |
| 1,2,4-Trimethylbenzene | — | — | — | 54,149 |
| Nickel compounds | — | 3,397 | — | — |
| Mercury compounds | — | 8 | — | — |
| Lead compounds | — | 126,090 | — | — |
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 |
|---|---|---|---|---|---|
|
ZINC RESOURCES
VICTORIA, TX
|
Zinc compounds | — | 16,715,560 | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Copper compounds | — | 91,531 | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Aluminum (fume or dust) | — | 120,177 | — | — |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
Xylene (mixed isomers) | — | — | — | 23,711 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Nickel compounds | — | 3,397 | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Nickel compounds | 151,516 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 25,964 | — | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 98,992 | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Lead compounds | — | 126,090 | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Manganese compounds | — | 476,236 | — | — |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
Certain glycol ethers | — | — | — | 19,620 |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
1,2,4-Trimethylbenzene | — | — | — | 44,381 |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
n-Butyl alcohol | — | — | — | 50,912 |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
Cumene | — | — | — | 8,291 |
|
PHILLIP RECLAMATION SERVICES HOUSTON
HOUSTON, TX
|
Naphthalene | — | — | — | 20,819 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Mercury compounds | 1 | — | — | — |
|
ZINC RESOURCES
VICTORIA, TX
|
Mercury compounds | — | 8 | — | — |
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 | Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Tanks, Surface Impoundments and Containers | Apr 22, 2025 | Dec 15, 2025 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Apr 22, 2025 | Jun 18, 2025 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Jun 15, 2023 | Jun 21, 2023 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 15, 2023 | Jun 21, 2023 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 15, 2023 | Jun 30, 2023 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 15, 2023 | Jun 30, 2023 | 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.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000085550-3 · May 21, 2025
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000085550-2 · May 19, 2025
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000085550-1 · Jul 21, 2023
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