De Kalb County contains 40 EPA-regulated facilities, 7 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 0 TRI chemical reporters. EPA has assessed $51.5k in lifetime penalties and TRI reporters disclosed roughly 193.2k lb of on-site releases. That facility count is below the Indiana state average of 63 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Thermatru Corporation | Butler | 98.3k | Penalties |
| Contitech Usa Incorporated | Auburn | 63.4k | Penalties |
| New Millenium Building Systems Llc | Butler | 29.6k | Compliant |
| Contech Us, Llc | Auburn | 750 | Penalties |
| Ball Brass & Aluminum Foundry | Auburn | 448 | Compliant |
| Butler Mill Service Company | Butler | 362 | Compliant |
| Fxi Inc | Auburn | 254 | Compliant |
| Nucor Building Systems | Waterloo | 12 | Compliant |
| Metal Technologies Auburn Llc | Auburn | 10 | Sig. violation |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Eaton Corporation - Auburn R&d Lab | Auburn | $15.6k | 2023-01-30 |
| Butler Wwtp | Butler | $3.4k | 2025-07-25 |
| Metal Technologies Auburn Llc | Auburn | $500 | 2025-10-21 |
| Ashley Wwtp | Ashley | $0 | 2025-05-14 |
| Garrett Wwtp | Garrett | $0 | 2023-11-08 |
| Indian Springs Campground | Garrett | $0 | 2025-06-18 |
| St. Joe - Spencerville Wwtp | St. Joe | $0 | 2025-11-05 |