MSHA citations at sand & gravel mines in California
251 MSHA citations at sand & gravel mines in California are listed from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, dated 2026-05-11 to 2026-10-27; the most frequent is Earth Tek Engineering Corp. with 21. Data last updated 2026-11-04; each record links to its official source and a full report.
Data as of · Compiled by Zalwin from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
Includes: Company, Mine, State, Standard, Issued, official source URL and score · Card, Apple Pay, Google Pay or Link via Stripe
251 records from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, dated 2026-05-11 to 2026-10-27. Most frequent: Earth Tek Engineering Corp. (21). Each record links to a full report and the official source.
251 recent MSHA citations at sand & gravel mines in California, with proposed penalties. Mine safety consultants, training providers and equipment suppliers use it to see where compliance help is needed. Citations are allegations until finally resolved.
Last updated 2026-11-04. Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only.
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- Earth Tek Engineering Corp. (21)
- Granite Construction Company (13)
- 7/11 Materials Inc (11)
- Recycled Base Materials, Inc (10)
- Santa Fe Aggregates Inc (10)
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What are the top MSHA citations at sand & gravel mines in California right now?
| Record | Mine | State | Standard |
|---|---|---|---|
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.14107(a) |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.14107(a) |
| Recycled Base Materials, Inc | Martin Marietta Hughson Plant | CA | 46.5(a) |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.18002(a) |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.12008 |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.11001 |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.12028 |
| L & G Portable Crushing and Materials | Poway Aggregates | CA | 56.11001 |
| Earth Tek Engineering Corp. | NORTH FONTANA | CA | 56.14205 |
| Martin Marietta Southern California Aggregates,LLC | Maitri Sand and Gravel | CA | 56.14107(a) |
| Recycled Base Materials, Inc | Martin Marietta Hughson Plant | CA | 56.14112(b) |
| Recycled Base Materials, Inc | Martin Marietta Hughson Plant | CA | 56.14107(a) |
| QUALITY AGGREGATES INC. | PORTABLE PLANT #1 | CA | 56.14101(a)(2) |
| Holliday Rock Company Inc | CAMPUS PLANT | CA | 56.14101(a)(1) |
| Hansen Bros. Enterprises | Ridge Rock Quarry | CA | 56.14105 |
| 7/11 Materials Inc | 🔒 Unlock all 251 records → | ||
| 7/11 Materials Inc | 🔒 Unlock all 251 records → | ||
| Sierra Cascade Aggregate & Asphalt Products Inc | 🔒 Unlock all 251 records → | ||
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Frequently asked questions
How many MSHA citations at sand & gravel mines in California are listed?
251 records from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, last refreshed automatically. The most recent is dated 2026-10-27.
Can I get alerts for MSHA citations at sand & gravel mines in California?
Yes. MshaMinePulse can email you new records matching this filter; plans are listed on the MshaMinePulse page.
Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only. Informational only. RSS feed of new records