Stepan Company
22500 West Millsdale Road, Elwood, IL 60421, Will County
A manufacturing facility in Elwood, Illinois, listed in EPA records under surface active agent manufacturing (NAICS 325613) and also cyclic crude, intermediate, and gum and wood chemical manufacturing and all other basic organic chemical manufacturing. It is one of 9,279 active manufacturing facilities in EPA records in Illinois.
- Industry
- Chemicals
- NAICS 325
- TRI reporter
- Yes
- Inspections, 5 yr
- 5
- EPA registry ID
- 110000432504
- Revised
- November 1, 2026
What's made here
- Surface Active Agent Manufacturing (NAICS 325613)
- Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing (NAICS 325194)
- All Other Basic Organic Chemical Manufacturing (NAICS 325199)
- Plastics Material and Resin Manufacturing (NAICS 325211)
- Soap and Other Detergent Manufacturing (NAICS 325611)
- Polish and Other Sanitation Good Manufacturing (NAICS 325612)
- Toilet Preparation Manufacturing (NAICS 325620)
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 60421STPNCRURAL). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | Major and non-major water discharge permits (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 | 5 in the last five years; most recent June 16, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records