Steel Dynamics Columbus, LLC
1945 Airport Rd, Columbus, MS 39703, Lowndes County
A manufacturing facility in Columbus, Mississippi, listed in EPA records under iron and steel mills and ferroalloy manufacturing (NAICS 331110) and also ready-mix concrete manufacturing. It is one of 1,381 active manufacturing facilities in EPA records in Mississippi, 39 of them in Columbus.
- Industry
- Primary metals
- NAICS 331
- TRI reporter
- Yes
- Inspections, 5 yr
- 7
- EPA registry ID
- 110041596902
- Revised
- November 1, 2026
What's made here
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110)
- Ready-Mix Concrete Manufacturing (NAICS 327320)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 39701SVRCR1INDU). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 7 in the last five years; most recent March 17, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records