Establishment profile
SONOMA ROCK COMPANY
26650 ARNOLD DRIVE, SONOMA, CA, 95476
212321 — Construction Sand and Gravel Mining
Summary
SONOMA ROCK COMPANY has accumulated 8 OSHA violations across 5 inspections over 34 years of recorded history, with $2,500 in total assessed penalties.
The establishment sits in the 82nd percentile for violations within its industry-state peer group of 1,680 employers. Inspection frequency runs at the 70th percentile. The most recent enforcement activity was recorded 20 years ago.
Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
SONOMA ROCK COMPANY appears in OSHA workplace safety and MSHA mine safety records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
80% of inspections at this establishment produced violations,
Most-cited OSHA standards
Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 8 distinct standards shown · 8 citations in this view · $2,500 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 6988 A | 1 | 1 | $2,000 | May 1995 | May 1995 |
| 6988 G | 1 | 1 | $200 | May 1995 | May 1995 |
| 6985 C | 1 | 1 | $200 | May 1995 | May 1995 |
| 7014 G | 1 | 1 | $100 | Apr 1993 | Apr 1993 |
| 1593 D | 1 | 1 | — | Apr 1996 | Apr 1996 |
| 1596 G04 | 1 | 1 | — | Apr 1996 | Apr 1996 |
| 3277 F 1 | 1 | 1 | — | Feb 1993 | Feb 1993 |
| 7055 B | 1 | 1 | — | Apr 1992 | Apr 1992 |
Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.
Peer comparison
Worse on violations than most other employers in NAICS 2123 within CA. Peer group: 1,680 employers. This establishment has 8 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for SONOMA ROCK COMPANY. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for SONOMA ROCK COMPANY. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 20+ years. Most recent activity: 20 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for SONOMA ROCK COMPANY. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for SONOMA ROCK COMPANY, not this location alone
Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other SONOMA ROCK COMPANY operations in the same state.
MSHA citations
Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 3 citations · $175 proposed / $175 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 6387110 | Sonoma Rock Company Sonoma, CA | Oct 2005 | — | No | ModNegligence | $60 | $60 |
| 6356086 | Sonoma Rock Company Sonoma, CA | Apr 2004 | — | No | LowNegligence | $60 | $60 |
| 7987103 | Sonoma Rock Company Sonoma, CA | Sep 2000 | — | No | LowNegligence | $55 | $55 |
Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for SONOMA ROCK COMPANY. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for SONOMA ROCK COMPANY. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for SONOMA ROCK COMPANY. Verify directly with Environmental Protection Agency →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2006-05-24 | Planned | 0 | — | $0 | |
| 1996-04-12 | Planned | 2 | — | $0 | |
| 1995-02-24 | Unprogrammed Related | 3 | 1 | $2,400 | |
| 1993-02-26 | Planned | 2 | — | $100 | |
| 1992-03-11 | Planned | 1 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Other employers in this industry and state
Other employers in construction sand and gravel mining within CA, ordered by federal enforcement volume:
- CALAVERAS MATERIALS, INC.MERCED — 4 federal enforcement records
- HUMBOLDT REDWOOD COMPANY LLCSCOTIA — 4 federal enforcement records
- ROBERTSON'S READY MIX INC.CORONA — 4 federal enforcement records
- BCJ SAND & ROCK, INC.OROVILLE — 4 federal enforcement records
- CEMEX, INC.FRIANT — 3 federal enforcement records
- BCJ SAND AND ROCK, INCSACRAMENTO — 3 federal enforcement records
- GRANITE ROCK COMPANYHOLLISTER — 3 federal enforcement records
- 7/11 MATERIALS INCVALLEY SPRINGS — 3 federal enforcement records
- CALPORTLAND COMPANYMOORPARK — 3 federal enforcement records
- PYRAMID CONSTRUCTION AND AGGREGATES, INC.HEBER — 3 federal enforcement records
Related searches
- Construction Sand and Gravel MiningAll employers in this industry
- Employers in CAState-wide enforcement data
- Construction Sand and in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on SONOMA ROCK COMPANY from every major federal compliance and enforcement source. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
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Contact sales →Frequently asked
- What is SONOMA ROCK COMPANY's OSHA violation history?
- SONOMA ROCK COMPANY has 5 OSHA inspections on record with 8 violations and $2,500 in total penalties.
- How does SONOMA ROCK COMPANY's safety record compare to its industry?
- SONOMA ROCK COMPANY operates in the construction sand and gravel mining industry. The industry average Total Recordable Incident Rate (TRIR) is 1.5.