Du Page County contains 157 EPA-regulated facilities, 3 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 0 TRI chemical reporters. EPA has assessed $313.5k in lifetime penalties and TRI reporters disclosed roughly 45.2k lb of on-site releases. That facility count is well above the Illinois state average of 61 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Kns Companies Inc | Carol Stream | 18.4k | Compliant |
| Crown Cork & Seal Co (Usa) | Aurora | 17.8k | Compliant |
| Swd Inc | Addison | 4.5k | Compliant |
| Hudapack Metal Treating Of Illinois Inc | Glendale Heights | 1.0k | Compliant |
| Morgan Ohare Inc | Addison | 877 | Compliant |
| Nanophase Technologies Corp | Burr Ridge | 859 | Compliant |
| Alu Bra Foundry Incorporated | Bensenville | 671 | Compliant |
| Osi Industries Inc Otto & Sons | West Chicago | 600 | Compliant |
| Nitrex Inc | Aurora | 424 | Compliant |
| Gerlin Inc | Carol Stream | 70 | Compliant |
| Fic America | Bloomingdale | 30 | Compliant |
| Meaden Screw Products Co | Hinsdale | 20 | Compliant |
| Webster-Hoff Corp | Glendale Heights | 10 | Compliant |
| Advanced Electronics Inc | West Chicago | 6 | Compliant |
| Sika Corp | Aurora | 3 | Compliant |
| Nta Precision Axle Corp | Carol Stream | 2 | Compliant |
| American Standard Circuits Inc | West Chicago | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| La Chemical Ltd | Addison | $68.8k | 2024-09-17 |
| Carol Stream Wrc | Carol Stream | $0 | 2025-06-17 |
| West Chicago Regional Wastewater Treatment Plant | West Chicago | $0 | 2023-04-24 |