Establishment profile
SIERRA SILICA RESOURCES LLC
650 GEORGIA PACIFIC WAY, OROVILLE, CA, 95965
212321 — Construction Sand and Gravel Mining
Summary
SIERRA SILICA RESOURCES LLC has accumulated 7 OSHA violations across 4 inspections over 15 years of recorded history, with $1,760 in total assessed penalties.
The establishment sits in the 80th percentile for violations within its industry-state peer group of 1,687 employers. Inspection frequency runs at the 62nd percentile. The most recent enforcement activity was recorded 12 years ago.
Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
SIERRA SILICA RESOURCES LLC 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
50% 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. 6 distinct standards shown · 7 citations in this view · $1,760 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 5155 E01 | 2 | 2 | $1,350 | Nov 2012 | Apr 2014 |
| 5144 G01 A | 1 | 1 | $225 | Apr 2014 | Apr 2014 |
| 3241 C | 1 | 1 | $110 | Nov 2012 | Nov 2012 |
| 3944 A | 1 | 1 | $75 | Nov 2012 | Nov 2012 |
| 4002 A | 1 | 1 | — | Nov 2012 | Nov 2012 |
| 5157 C02 | 1 | 1 | — | Nov 2012 | Nov 2012 |
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: 1,687 employers. This establishment has 7 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for SIERRA SILICA RESOURCES LLC. 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 SIERRA SILICA RESOURCES LLC. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 12+ years. Most recent activity: 12 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 SIERRA SILICA RESOURCES LLC. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for SIERRA SILICA RESOURCES LLC, 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 SIERRA SILICA RESOURCES LLC 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. 100 citations · 22S&S · 100 contractor · $57,908 proposed / $43,036 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 8912532 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | Yes | HighNegligence | $29,893 | $16,000 |
| 8912526 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | Yes | HighNegligence | $3,944 | $3,944 |
| 9619676 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | Yes | ModNegligence | $2,014 | $2,014 |
| 6345570 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | No | HighNegligence | $1,203 | $543 |
| 3914548 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2023 | — | Yes | ModNegligence | $1,152 | $1,152 |
| 3914547 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2023 | — | Yes | ModNegligence | $1,152 | $1,152 |
| 8879190 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2016 | — | Yes | ModNegligence | $994 | $994 |
| 8991764 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jun 2017 | — | Yes | ModNegligence | $862 | $862 |
| 8785179 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2014 | — | Yes | ModNegligence | $634 | $634 |
| 9433849 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2022 | — | No | ModNegligence | $610 | $610 |
| 9503750 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | Yes | ModNegligence | $463 | $463 |
| 9507713 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | Yes | ModNegligence | $439 | $439 |
| 9503748 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | Yes | ModNegligence | $383 | $383 |
| 9502597 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Apr 2020 | — | Yes | ModNegligence | $383 | $383 |
| 9502467 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | Yes | ModNegligence | $383 | $383 |
| 8785004 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | Yes | ModNegligence | $362 | $362 |
| 8785956 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Apr 2015 | — | Yes | ModNegligence | $308 | $308 |
| 8785003 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | No | ModNegligence | $243 | $200 |
| 8785176 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2014 | — | Yes | ModNegligence | $224 | $224 |
| 8785957 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Apr 2015 | — | No | ModNegligence | $207 | $207 |
| 8879189 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2016 | — | No | ModNegligence | $200 | $200 |
| 8785891 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2014 | — | No | ModNegligence | $190 | $100 |
| 8785181 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2014 | — | Yes | ModNegligence | $190 | $190 |
| 8785180 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2014 | — | Yes | ModNegligence | $190 | $190 |
| 8912530 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $189 | $189 |
| 8912529 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $189 | $189 |
| 8912524 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $189 | $189 |
| 9433848 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2022 | — | No | ModNegligence | $183 | $183 |
| 9433847 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2022 | — | No | ModNegligence | $183 | $183 |
| 9433846 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Sep 2022 | — | No | ModNegligence | $183 | $183 |
| 9619668 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | No | ModNegligence | $182 | $182 |
| 9619667 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | No | ModNegligence | $182 | $182 |
| 9619666 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | No | ModNegligence | $182 | $182 |
| 8785089 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | Yes | ModNegligence | $181 | $121 |
| 8785088 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | Yes | ModNegligence | $181 | $121 |
| 8991997 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2018 | — | No | ModNegligence | $177 | $132 |
| 8991996 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2018 | — | Yes | ModNegligence | $177 | $177 |
| 8873515 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2016 | — | No | ModNegligence | $176 | $176 |
| 8991763 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jun 2017 | — | No | ModNegligence | $173 | $173 |
| 8991762 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jun 2017 | — | No | ModNegligence | $173 | $173 |
| 8879647 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879646 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879645 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879644 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879643 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879642 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879641 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879640 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 8879639 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2017 | — | No | ModNegligence | $173 | $173 |
| 9507192 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2021 | — | No | ModNegligence | $172 | $172 |
| 9507191 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2021 | — | No | ModNegligence | $172 | $172 |
| 9507190 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2021 | — | No | ModNegligence | $172 | $172 |
| 9507189 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2021 | — | No | ModNegligence | $172 | $172 |
| 9502462 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | Yes | ModNegligence | $172 | $172 |
| 8912528 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $147 | $147 |
| 8912527 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $147 | $147 |
| 8912525 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $147 | $147 |
| 8912523 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $147 | $147 |
| 8912522 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2023 | — | No | ModNegligence | $147 | $147 |
| 9619665 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | No | ModNegligence | $143 | $143 |
| 9619664 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jul 2023 | — | No | ModNegligence | $143 | $143 |
| 9507714 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | LowNegligence | $143 | $143 |
| 9507712 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9507711 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9507710 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9507709 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9507708 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9377116 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Feb 2018 | — | No | ModNegligence | $138 | $138 |
| 9377115 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Feb 2018 | — | No | ModNegligence | $138 | $138 |
| 8879191 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2016 | — | No | LowNegligence | $134 | $134 |
| 8873623 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2015 | — | No | ModNegligence | $127 | $127 |
| 9507193 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Nov 2021 | — | No | LowNegligence | $125 | $125 |
| 9503751 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | LowNegligence | $125 | $125 |
| 9503749 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503747 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503746 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503745 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | LowNegligence | $125 | $125 |
| 9503744 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503743 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | LowNegligence | $125 | $125 |
| 9503742 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503741 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9503740 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9507104 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Mar 2021 | — | No | ModNegligence | $125 | $125 |
| 9502598 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Apr 2020 | — | No | ModNegligence | $125 | $125 |
| 9502596 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Apr 2020 | — | No | ModNegligence | $125 | $125 |
| 9502466 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9502465 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9502464 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9502463 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9502461 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9502460 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2020 | — | No | ModNegligence | $125 | $125 |
| 9372771 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Feb 2019 | — | No | ModNegligence | $121 | $121 |
| 8785007 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | No | LowNegligence | $121 | $100 |
| 8991995 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 8991994 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 8991993 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 8991767 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jun 2017 | — | No | ModNegligence | $116 | $116 |
| 8991766 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jun 2017 | — | No | LowNegligence | $116 | $116 |
| 8785006 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | No | LowNegligence | $112 | $112 |
| 8785005 | Sierra Silica Resources Butte, CA contractor: Sierra Silica Resources | Jan 2014 | — | No | LowNegligence | $112 | $112 |
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 SIERRA SILICA RESOURCES LLC. 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 SIERRA SILICA RESOURCES LLC. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for SIERRA SILICA RESOURCES LLC. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for SIERRA SILICA RESOURCES LLC. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2014-05-09 | Follow-up | 0 | — | $0 | |
| 2014-02-12 | Planned | 2 | — | $1,425 | |
| 2012-10-30 | Planned | 5 | — | $335 | |
| 2011-04-05 | 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 SIERRA SILICA RESOURCES LLC 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 SIERRA SILICA RESOURCES LLC's OSHA violation history?
- SIERRA SILICA RESOURCES LLC has 4 OSHA inspections on record with 7 violations and $1,760 in total penalties.
- How does SIERRA SILICA RESOURCES LLC's safety record compare to its industry?
- SIERRA SILICA RESOURCES LLC operates in the construction sand and gravel mining industry. The industry average Total Recordable Incident Rate (TRIR) is 1.5.