Steel Dynamics Inc
4500 Co Rd 59, Butler, IN 46721, Dekalb County
A manufacturing facility in Butler, Indiana, listed in EPA records under iron and steel mills and ferroalloy manufacturing (NAICS 331110) and also all other petroleum and coal products manufacturing. It is one of 3,706 active manufacturing facilities in EPA records in Indiana.
- Industry
- Primary metals
- NAICS 331
- TRI reporter
- Yes
- Inspections, 5 yr
- 9
- EPA registry ID
- 110000592396
- Revised
- November 1, 2026
What's made here
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110)
- All Other Petroleum and Coal Products Manufacturing (NAICS 324199)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 46721STLDY4500C). |
|---|---|
| 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 | 9 in the last five years; most recent August 31, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records