Cerro Gordo County contains 58 EPA-regulated facilities, 1 of which are currently flagged for significant noncompliance. The county also hosts 1 Superfund sites and 11 TRI chemical reporters. EPA has assessed $5.5M in lifetime penalties and TRI reporters disclosed roughly 279.5k lb of on-site releases. That facility count is well above the Iowa state average of 40 per county.
| Site | City | Status |
|---|---|---|
| Mason City Coal Gasification Plant | Mason City | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Ag Processing Incorporated | Mason City | 121.9k | Compliant |
| Curries Division Of Aadg, Inc - 12th St Nw | Mason City | 78.7k | Penalties |
| Kraft Foods Global Inc - Mason City | Mason City | 25.0k | Compliant |
| Golden Grain Energy, Llc | Mason City | 22.2k | Compliant |
| Heidelberg Materials Us Cement Llc | Mason City | 14.4k | Sig. violation |
| Woodharbor Custom Cabinetry | Mason City | 14.2k | Penalties |
| Reg Mason City | Mason City | 3.1k | Compliant |
| Minnesota Rubber & Plastics | Mason City | 5 | Compliant |
| Nuta Blend (Purina Animal Nutrition/Land O' Lakes) | Mason City | 4 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Heidelberg Materials Us Cement Llc | Mason City | $197.5k | 2025-05-21 |