Establishment profile
DUNSTONE ROCK QUARRY
1000 DUNSTONE DR., OROVILLE, CA, 95966
212321 — Construction Sand and Gravel Mining
Summary
DUNSTONE ROCK QUARRY has accumulated 0 OSHA violations across 12 inspections over 27 years of recorded history.
The most recent federal enforcement activity was recorded 1 year ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
DUNSTONE ROCK QUARRY 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, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 2123 within CA. Peer group: 1,687 employers. This establishment has 0 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for DUNSTONE ROCK QUARRY. 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 DUNSTONE ROCK QUARRY. Verify directly with Occupational Safety and Health Administration →
Activity timeline
Most recent federal enforcement activity recorded 1 year ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for DUNSTONE ROCK QUARRY. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for DUNSTONE ROCK QUARRY, 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 DUNSTONE ROCK QUARRY 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. 44 citations · 5S&S · $5,773 proposed / $2,282 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 8609869 | Dunstone Rock Quarry Butte, CA | Dec 2011 | — | No | ModNegligence | $362 | $362 |
| 9507643 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | Yes | ModNegligence | $321 | — |
| 9507641 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | Yes | ModNegligence | $321 | — |
| 5106060 | Dunstone Rock Quarry Butte, CA | Oct 2025 | — | No | LowNegligence | $151 | — |
| 5106059 | Dunstone Rock Quarry Butte, CA | Oct 2025 | — | No | LowNegligence | $151 | — |
| 9507646 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | Yes | ModNegligence | $144 | — |
| 9507645 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | Yes | ModNegligence | $144 | — |
| 9507648 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | No | LowNegligence | $133 | — |
| 9507647 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | No | ModNegligence | $133 | — |
| 9507644 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | No | ModNegligence | $133 | — |
| 9507642 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | No | ModNegligence | $133 | — |
| 9507640 | Dunstone Rock Quarry Butte, CA | Oct 2022 | — | No | ModNegligence | $133 | — |
| 9503781 | Dunstone Rock Quarry Butte, CA | Jul 2021 | — | No | LowNegligence | $125 | — |
| 9503780 | Dunstone Rock Quarry Butte, CA | Jul 2021 | — | No | ModNegligence | $125 | — |
| 9503779 | Dunstone Rock Quarry Butte, CA | Jul 2021 | — | No | ModNegligence | $125 | — |
| 9503778 | Dunstone Rock Quarry Butte, CA | Jul 2021 | — | No | ModNegligence | $125 | — |
| 9503777 | Dunstone Rock Quarry Butte, CA | Jul 2021 | — | No | ModNegligence | $125 | — |
| 9502534 | Dunstone Rock Quarry Butte, CA | Mar 2020 | — | No | ModNegligence | $123 | — |
| 9502533 | Dunstone Rock Quarry Butte, CA | Mar 2020 | — | No | ModNegligence | $123 | — |
| 9502537 | Dunstone Rock Quarry Butte, CA | Jan 2020 | — | No | ModNegligence | $123 | — |
| 9502536 | Dunstone Rock Quarry Butte, CA | Jul 2019 | — | No | ModNegligence | $123 | — |
| 9502535 | Dunstone Rock Quarry Butte, CA | Apr 2019 | — | No | ModNegligence | $123 | — |
| 8991937 | Dunstone Rock Quarry Butte, CA | Apr 2018 | — | No | ModNegligence | $118 | — |
| 8991938 | Dunstone Rock Quarry Butte, CA | Apr 2018 | — | No | LowNegligence | $118 | — |
| 8991936 | Dunstone Rock Quarry Butte, CA | Apr 2018 | — | No | ModNegligence | $118 | — |
| 8562039 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $112 | $112 |
| 6387433 | Dunstone Rock Quarry Butte, CA | Aug 2011 | — | Yes | LowNegligence | $108 | $108 |
| 8873518 | Dunstone Rock Quarry Butte, CA | Jan 2016 | — | No | ModNegligence | $100 | $100 |
| 8873517 | Dunstone Rock Quarry Butte, CA | Jan 2016 | — | No | ModNegligence | $100 | $100 |
| 8858917 | Dunstone Rock Quarry Butte, CA | Feb 2015 | — | No | LowNegligence | $100 | $100 |
| 8858903 | Dunstone Rock Quarry Butte, CA | Feb 2015 | — | No | ModNegligence | $100 | $100 |
| 8858902 | Dunstone Rock Quarry Butte, CA | Feb 2015 | — | No | ModNegligence | $100 | $100 |
| 6345497 | Dunstone Rock Quarry Butte, CA | Oct 2013 | — | No | LowNegligence | $100 | $100 |
| 6387434 | Dunstone Rock Quarry Butte, CA | Aug 2011 | — | No | HighNegligence | $100 | $100 |
| 6387432 | Dunstone Rock Quarry Butte, CA | Aug 2011 | — | No | ModNegligence | $100 | $100 |
| 6387431 | Dunstone Rock Quarry Butte, CA | Aug 2011 | — | No | ModNegligence | $100 | $100 |
| 8568555 | Dunstone Rock Quarry Butte, CA | Nov 2010 | — | No | ModNegligence | $100 | $100 |
| 8562048 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562047 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562042 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562041 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562040 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562038 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8562037 | Dunstone Rock Quarry Butte, CA | Aug 2010 | — | No | ModNegligence | $100 | $100 |
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 DUNSTONE ROCK QUARRY. 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 DUNSTONE ROCK QUARRY. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for DUNSTONE ROCK QUARRY. Verify directly with Environmental Protection Agency →
EPA-registered facilities
Every EPA ECHO facility associated with this employer, sorted most-significant first. Each row links to EPA’s Detailed Facility Report for the source-of-truth record. Permits column lists active programs (Air = Clean Air Act, Water = Clean Water Act, RCRA = hazardous waste, TRI = Toxics Release Inventory reporting). 1 facility.
| Facility | Permits | Status | Inspections | Formal actions | Penalties | Last inspected | ECHO |
|---|---|---|---|---|---|---|---|
DUNSTONE ROCK QUARRY 1000 DUNSTONE DR · OROVILLE, CA, 95966 | Water | No Violation Identified | 0 | 0 | — | — | View → |
Source: EPA ECHO (Enforcement and Compliance History Online). Compliance status follows EPA’s own labels (“Sig Violation” = significant noncompliance; QNCR = quarters of noncompliance over the recent reporting window). Inactive facilities (struck through) retain historical enforcement records even after operations ceased.
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for DUNSTONE ROCK QUARRY. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-03-10 | Planned | 0 | — | $0 | |
| 2023-10-24 | Planned | 0 | — | $0 | |
| 2021-11-17 | Planned | 0 | — | $0 | |
| 2015-03-16 | Planned | 0 | — | $0 | |
| 2014-04-04 | Planned | 0 | — | $0 | |
| 2013-01-09 | Planned | 0 | — | $0 | |
| 2012-08-23 | Planned | 0 | — | $0 | |
| 2011-07-27 | Planned | 0 | — | $0 | |
| 2010-08-19 | Planned | 0 | — | $0 | |
| 2009-04-28 | Planned | 0 | — | $0 | |
| 2008-11-06 | Planned | 0 | — | $0 | |
| 1999-01-07 | Planned | 0 | — | $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:
- HUMBOLDT REDWOOD COMPANY LLCSCOTIA — 4 federal enforcement records
- CALAVERAS MATERIALS, INC.MERCED — 4 federal enforcement records
- BCJ SAND & ROCK, INC.OROVILLE — 4 federal enforcement records
- GRANITE ROCK COMPANYHOLLISTER — 3 federal enforcement records
- CEMEX, INC.FRIANT — 3 federal enforcement records
- BCJ SAND AND ROCK, INCSACRAMENTO — 3 federal enforcement records
- CALPORTLAND COMPANYMOORPARK — 3 federal enforcement records
- GRANITE CONSTRUCTION COMPANYLLANO — 3 federal enforcement records
- CALMAT COBAKERSFIELD — 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 DUNSTONE ROCK QUARRY from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. 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 DUNSTONE ROCK QUARRY's OSHA violation history?
- DUNSTONE ROCK QUARRY has 12 OSHA inspections on record with 0 violations and $0 in total penalties.
- How does DUNSTONE ROCK QUARRY's safety record compare to its industry?
- DUNSTONE ROCK QUARRY operates in the construction sand and gravel mining industry. The industry average Total Recordable Incident Rate (TRIR) is 1.5.