Cerro Gordo County, Iowa — Mines
25 mines | 3,157 violations
| Mine | Type | Status | Violations | Penalties |
|---|---|---|---|---|
| Mason City Plant | Facility | Active | 2,361 | $3.3M |
| Mason City Plant & Quarry | Facility | Abandoned | 603 | $397K |
| Portable Sand Plant #105 | Surface | Intermittent | 134 | $40K |
| Holcim | Surface | Intermittent | 39 | $5K |
| Wash Plant #1 | Surface | Abandoned | 11 | $1K |
| NISS Excavation Rock Quarry | Surface | Abandoned | 8 | $1K |
| PORTABLE DRILL DEPT 510 | Surface | Abandoned | 1 | $125 |
| Airport Pit | Surface | Abandoned | 0 | $0 |