Rock County contains 92 EPA-regulated facilities, 4 of which are currently flagged for significant noncompliance. The county also hosts 2 Superfund sites and 27 TRI chemical reporters. EPA has assessed $382.7k in lifetime penalties and TRI reporters disclosed roughly 206.9k lb of on-site releases. That facility count is well above the Wisconsin state average of 59 per county.
| Site | City | Status |
|---|---|---|
| Janesville Ash Beds | Janesville | Ready for anticipated reuse |
| Janesville Old Landfill | Janesville | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Charter Next Generation - Milton | Milton | 168.8k | Compliant |
| United Ethanol, Llc | Milton | 20.4k | Compliant |
| Twin State Inc | Janesville | 8.3k | Compliant |
| Evonikcorporation | Milton | 5.7k | Compliant |
| Evonik Industries | Janesville | 1.5k | Penalties |
| Genencor International Wisconsin, Inc. | Beloit | 913 | Compliant |
| D&k Coating Technologies | Janesville | 894 | Compliant |
| Baker Manufacturing | Evansville | 222 | Compliant |
| Rathgibson Janesville Llc | Janesville | 41 | Sig. violation |
| Scot Forge Company | Clinton | 40 | Compliant |
| St & E Fabrication Llc (Former) | Beloit | 15 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Rathgibson Janesville Llc | Janesville | $300.7k | 2022-12-13 |
| Iki Mfg Co Inc | Edgerton | $2.0k | 2021-12-15 |
| Calamity Knoll Farm | Clinton | $0 | 2014-04-24 |
| Midwest Biofuel, Llc | Clinton | $0 |