# STEPAN COMPANY, ELWOOD IL: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 68/100

| Field | Value |
|---|---|
| Facility | STEPAN COMPANY |
| EPA Registry ID | 110000432504 |
| Address | 22500 WEST MILLSDALE ROAD, ELWOOD, IL, 60421 |
| County | WILL |
| Industry (NAICS) | 325211: Plastics Material and Resin Manufacturing , 325613: Surface Active Agent Manufacturing , 325998: All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| SIC | 2821: Plastics Materials And Resins, 2841: Soap And Other Detergents, 2842: Polishes And Sanitation Goods, 2843: Surface Active Agents, 2844: Toilet Preparations, 2865: Cyclic Crudes And Intermediates, 2869: Industrial Organic Chemicals |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 5 |
| Total penalties | $409,685 |
| Last penalty | 09/20/2023 |
| Inspections (5 years) | 5 |
| Last inspection | 2026-06-16 |
| Watershed | Des Plaines |

## Why this score
- 12 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 5 formal enforcement action(s) in 5 years.
- $409,685 in penalties: remediation has a clear cost of inaction.
- Inspected within the last year (2026-06-16).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000432504). Last refreshed: 2026-11-04T18:09:33.420Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.