Ventura County, California — Mines
34 mines | 1,698 violations
| Mine | Type | Status | Violations | Penalties |
|---|---|---|---|---|
| Canyon Rock Plant | Surface | Active | 275 | $74K |
| Grimes Rock a CalPortland Company | Surface | Active | 216 | $69K |
| Best Rock Products Corp | Surface | Abandoned | 192 | $104K |
| Wayne J. Sand & Gravel Inc. | Surface | Active | 169 | $42K |
| Arcosa Frazier Park Plant# 1603 | Surface | Active | 163 | $30K |
| Moorpark Quarry | Surface | Active | 159 | $25K |
| Ventucopa Quarry | Surface | Abandoned | 118 | $32K |
| Speciality Sand Plant | Facility | Abandoned | 105 | $16K |
| Pacific Rock Inc | Surface | Active | 88 | $11K |
| Santa Paula Materials | Surface | Active | 66 | $14K |
| Ojai Quarry | Surface | Active | 49 | $6K |
| S-6 Red | Surface | Active | 31 | $4K |
| Limo Rock Remediation | Surface | Abandoned | 31 | $19K |
| Tapo Rock & Sand | Surface | Active | 23 | $2K |
| SANTA PAULA REACH II | Surface | Abandoned and Sealed | 12 | $783 |
| P.F. Hofmeister Construction, Inc. | Surface | Abandoned | 1 | $60 |