Data / Workplace safety / California / Portola Minerals Company
Portola Minerals Company, Columbia, CA: 8 OSHA citations, $4,105 in penalties (2022 to 2025)
OSHA recorded 4 inspections at Portola Minerals Company, 24599 Marble Quarry Road, Columbia, CA 95310, between December 2, 2022 and June 24, 2025. 4 inspections ended in citations: 8 citations with $4,780 in initial penalties and $4,105 in current penalties. The latest citation was issued August 29, 2025.
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- Site
- 24599 Marble Quarry Road, Columbia, CA 95310
- Industry
- 212319 Other Crushed and Broken Stone Mining and Quarrying
- Ownership
- Private
- Employees at the site
- 70 (as recorded at the latest inspection)
- Inspections
- 4, of which 4 with citations
- Citations
- 8
- Penalties
- $4,780 initial, $4,105 current
Inspections
Every inspection OSHA opened at this site since November 3, 2021.
| Opened | Closed | Type | Scope | Focus | Citations | Current penalties | Source |
|---|---|---|---|---|---|---|---|
| June 24, 2025 | September 29, 2025 | Planned | Complete | Safety | 2 | $1,630 | osha.gov |
| May 3, 2024 | August 19, 2024 | Planned | Complete | Safety | 3 | $1,250 | osha.gov |
| February 6, 2023 | May 23, 2023 | Complaint | Partial | Safety | 2 | $875 | osha.gov |
| December 2, 2022 | March 27, 2023 | Planned | Complete | Safety | 1 | $350 | osha.gov |
Citations
One row for each citation, newest first. Gravity is OSHA's level of gravity for serious violations.
| Inspection opened | Standard cited | Standard title | Type | Gravity | Issued | Initial penalty | Current penalty | Source |
|---|---|---|---|---|---|---|---|---|
| June 24, 2025 | 7055(K) | Repeat | 5 | August 29, 2025 | $2,025 | $1,350 | osha.gov | |
| June 24, 2025 | 4002(A) | Other than serious | 5 | August 29, 2025 | $280 | $280 | osha.gov | |
| May 3, 2024 | 7016(I) | Repeat | 1 | July 9, 2024 | $900 | $900 | osha.gov | |
| May 3, 2024 | 7055(K) | Other than serious | 1 | July 9, 2024 | $175 | $175 | osha.gov | |
| May 3, 2024 | 7046(B) | Other than serious | 1 | July 9, 2024 | $175 | $175 | osha.gov | |
| February 6, 2023 | 7016(I) | Other than serious | 1 | March 7, 2023 | $175 | $175 | osha.gov | |
| February 6, 2023 | 7014(G) | Other than serious | 10 | March 7, 2023 | $700 | $700 | osha.gov | |
| December 2, 2022 | 5043 | Other than serious | 10 | March 7, 2023 | $350 | $350 | osha.gov |
Also on SpecStream
- All OSHA citations in Nonmetallic Mineral Mining and Quarrying in California
- OSHA citations in California
Updated November 3, 2026. Read from US Department of Labor, OSHA enforcement data. Public domain (U.S. government work). Penalties are as OSHA records them on the date this page was read and can change after a contest or a settlement. Citations OSHA deleted are left out. Each row links to OSHA's own inspection record. This page uses US Department of Labor data and is not endorsed or certified by the US Department of Labor. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.