Establishment profile
DNA RIDGE ROCK, INC.
8400 HWY 29, LOWER LAKE, CA, 95457
212321 — Construction Sand and Gravel Mining
Summary
DNA RIDGE ROCK, INC. has accumulated 10 OSHA violations across 11 inspections over 20 years of recorded history, with $7,815 in total assessed penalties.
The establishment sits in the 86th percentile for violations within its industry-state peer group of 1,680 employers. Inspection frequency runs at the 89th percentile. The most recent enforcement activity was recorded 1 year ago.
Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
DNA RIDGE ROCK, INC. 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
45% 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. 10 distinct standards shown · 10 citations in this view · $7,815 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 3314(D) | 1 | 1 | $3,150 | Oct 2018 | Oct 2018 |
| 3203(A)(2) | 1 | 1 | $3,150 | Oct 2018 | Oct 2018 |
| 5162(A) | 1 | 1 | $300 | Sep 2025 | Sep 2025 |
| 3314(G)(2)(A) | 1 | 1 | $260 | Oct 2018 | Oct 2018 |
| 29 CFR 2340.0016 A | 1 | 1 | $260 | Oct 2018 | Oct 2018 |
| 3395(I) | 1 | 1 | $260 | Oct 2018 | Oct 2018 |
| 29 CFR 5006.0001 A | 1 | 1 | $260 | Oct 2018 | Oct 2018 |
| 5157(C)(1) | 1 | 1 | $175 | Jun 2023 | Jun 2023 |
| 3212 A02 A | 1 | 1 | — | Jun 2012 | Jun 2012 |
| 1592 B01 | 1 | 1 | — | Jul 2011 | Jul 2011 |
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 10 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for DNA RIDGE ROCK, INC.. 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 DNA RIDGE ROCK, INC.. 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 DNA RIDGE ROCK, INC.. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for DNA RIDGE ROCK, INC., 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 DNA RIDGE ROCK, INC. 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 · 19S&S · $13,984 proposed / $13,984 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 6489446 | DNA Ridge Rock Lake, CA | Jan 2010 | — | Yes | HighNegligence | $897 | $897 |
| 6489559 | DNA Ridge Rock Lake, CA | Jun 2010 | — | Yes | HighNegligence | $807 | $807 |
| 9372699 | DNA Ridge Rock Lake, CA | Aug 2018 | — | Yes | ModNegligence | $318 | $318 |
| 7958903 | DNA Ridge Rock Lake, CA | Oct 2008 | — | Yes | ModNegligence | $293 | $293 |
| 7958902 | DNA Ridge Rock Lake, CA | Oct 2008 | — | Yes | ModNegligence | $293 | $293 |
| 8785793 | DNA Ridge Rock Lake, CA | Jan 2015 | — | Yes | ModNegligence | $243 | $243 |
| 6393032 | DNA Ridge Rock Lake, CA | Apr 2006 | — | Yes | ModNegligence | $177 | $177 |
| 9507407 | DNA Ridge Rock Lake, CA | May 2021 | — | Yes | ModNegligence | $159 | $159 |
| 5102154 | DNA Ridge Rock Lake, CA | Apr 2026 | — | No | LowNegligence | $151 | $151 |
| 5102153 | DNA Ridge Rock Lake, CA | Apr 2026 | — | No | ModNegligence | $151 | $151 |
| 5102152 | DNA Ridge Rock Lake, CA | Apr 2026 | — | No | ModNegligence | $151 | $151 |
| 5102151 | DNA Ridge Rock Lake, CA | Apr 2026 | — | No | ModNegligence | $151 | $151 |
| 9680884 | DNA Ridge Rock Lake, CA | Jan 2026 | — | No | ModNegligence | $151 | $151 |
| 9890092 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890091 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890090 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890089 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890088 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890087 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | LowNegligence | $151 | $151 |
| 9890086 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | LowNegligence | $151 | $151 |
| 9890085 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890084 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890083 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890082 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890081 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890080 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9890079 | DNA Ridge Rock Lake, CA | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9574930 | DNA Ridge Rock Lake, CA | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 9574929 | DNA Ridge Rock Lake, CA | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 9574928 | DNA Ridge Rock Lake, CA | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 9574927 | DNA Ridge Rock Lake, CA | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 6393031 | DNA Ridge Rock Lake, CA | Apr 2006 | — | Yes | ModNegligence | $144 | $144 |
| 9852016 | DNA Ridge Rock Lake, CA | Sep 2023 | — | No | LowNegligence | $143 | $143 |
| 9289224 | DNA Ridge Rock Lake, CA | Aug 2023 | — | No | ModNegligence | $143 | $143 |
| 9289223 | DNA Ridge Rock Lake, CA | Aug 2023 | — | No | ModNegligence | $143 | $143 |
| 9377711 | DNA Ridge Rock Lake, CA | Mar 2019 | — | No | ModNegligence | $142 | $142 |
| 9377710 | DNA Ridge Rock Lake, CA | Mar 2019 | — | No | ModNegligence | $142 | $142 |
| 9377709 | DNA Ridge Rock Lake, CA | Mar 2019 | — | No | ModNegligence | $142 | $142 |
| 9377616 | DNA Ridge Rock Lake, CA | Sep 2022 | — | No | ModNegligence | $133 | $133 |
| 9377139 | DNA Ridge Rock Lake, CA | Sep 2022 | — | No | ModNegligence | $133 | $133 |
| 9372009 | DNA Ridge Rock Lake, CA | Sep 2022 | — | No | LowNegligence | $133 | $133 |
| 9372008 | DNA Ridge Rock Lake, CA | Sep 2022 | — | No | ModNegligence | $133 | $133 |
| 9372710 | DNA Ridge Rock Lake, CA | Aug 2018 | — | Yes | ModNegligence | $128 | $128 |
| 9372702 | DNA Ridge Rock Lake, CA | Aug 2018 | — | Yes | ModNegligence | $128 | $128 |
| 9507406 | DNA Ridge Rock Lake, CA | May 2021 | — | No | ModNegligence | $125 | $125 |
| 9507405 | DNA Ridge Rock Lake, CA | May 2021 | — | No | ModNegligence | $125 | $125 |
| 8873968 | DNA Ridge Rock Lake, CA | Oct 2016 | — | Yes | ModNegligence | $124 | $124 |
| 8873966 | DNA Ridge Rock Lake, CA | Oct 2016 | — | Yes | ModNegligence | $124 | $124 |
| 6379664 | DNA Ridge Rock Lake, CA | Nov 2005 | — | Yes | ModNegligence | $124 | $124 |
| 9437942 | DNA Ridge Rock Lake, CA | Mar 2020 | — | No | ModNegligence | $123 | $123 |
| 9437941 | DNA Ridge Rock Lake, CA | Mar 2020 | — | No | ModNegligence | $123 | $123 |
| 9437940 | DNA Ridge Rock Lake, CA | Mar 2020 | — | No | ModNegligence | $123 | $123 |
| 9437939 | DNA Ridge Rock Lake, CA | Mar 2020 | — | No | ModNegligence | $123 | $123 |
| 9377712 | DNA Ridge Rock Lake, CA | Mar 2019 | — | No | LowNegligence | $121 | $121 |
| 9372709 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372708 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | LowNegligence | $118 | $118 |
| 9372707 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372706 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372705 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372704 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372703 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372701 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 9372700 | DNA Ridge Rock Lake, CA | Aug 2018 | — | No | ModNegligence | $118 | $118 |
| 8873973 | DNA Ridge Rock Lake, CA | Oct 2016 | — | No | ModNegligence | $114 | $114 |
| 8873972 | DNA Ridge Rock Lake, CA | Oct 2016 | — | No | ModNegligence | $114 | $114 |
| 8873971 | DNA Ridge Rock Lake, CA | Oct 2016 | — | No | ModNegligence | $114 | $114 |
| 8873970 | DNA Ridge Rock Lake, CA | Oct 2016 | — | Yes | ModNegligence | $114 | $114 |
| 8873969 | DNA Ridge Rock Lake, CA | Oct 2016 | — | No | ModNegligence | $114 | $114 |
| 8873967 | DNA Ridge Rock Lake, CA | Oct 2016 | — | No | ModNegligence | $114 | $114 |
| 8879732 | DNA Ridge Rock Lake, CA | Apr 2016 | — | No | ModNegligence | $100 | $100 |
| 8879731 | DNA Ridge Rock Lake, CA | Apr 2016 | — | No | ModNegligence | $100 | $100 |
| 8785792 | DNA Ridge Rock Lake, CA | Jan 2015 | — | No | ModNegligence | $100 | $100 |
| 8603266 | DNA Ridge Rock Lake, CA | May 2011 | — | No | ModNegligence | $100 | $100 |
| 8603265 | DNA Ridge Rock Lake, CA | May 2011 | — | Yes | ModNegligence | $100 | $100 |
| 8603264 | DNA Ridge Rock Lake, CA | May 2011 | — | No | ModNegligence | $100 | $100 |
| 6387325 | DNA Ridge Rock Lake, CA | Dec 2010 | — | No | LowNegligence | $100 | $100 |
| 6489560 | DNA Ridge Rock Lake, CA | Jun 2010 | — | No | ModNegligence | $100 | $100 |
| 6489447 | DNA Ridge Rock Lake, CA | Jan 2010 | — | No | ModNegligence | $100 | $100 |
| 6443443 | DNA Ridge Rock Lake, CA | Feb 2009 | — | No | ModNegligence | $100 | $100 |
| 7958905 | DNA Ridge Rock Lake, CA | Oct 2008 | — | No | HighNegligence | $100 | $100 |
| 7958904 | DNA Ridge Rock Lake, CA | Oct 2008 | — | No | ModNegligence | $100 | $100 |
| 6489562 | DNA Ridge Rock Lake, CA | Oct 2008 | — | No | LowNegligence | $100 | $100 |
| 6387313 | DNA Ridge Rock Lake, CA | May 2008 | — | No | ModNegligence | $100 | $100 |
| 6489561 | DNA Ridge Rock Lake, CA | Jan 2008 | — | No | LowNegligence | $100 | $100 |
| 6393038 | DNA Ridge Rock Lake, CA | Apr 2006 | — | Yes | ModNegligence | $99 | $99 |
| 6393037 | DNA Ridge Rock Lake, CA | Apr 2006 | — | Yes | ModNegligence | $99 | $99 |
| 6379660 | DNA Ridge Rock Lake, CA | Nov 2005 | — | Yes | ModNegligence | $99 | $99 |
| 7958526 | DNA Ridge Rock Lake, CA | Apr 2007 | — | No | ModNegligence | $60 | $60 |
| 7958525 | DNA Ridge Rock Lake, CA | Apr 2007 | — | No | ModNegligence | $60 | $60 |
| 6393174 | DNA Ridge Rock Lake, CA | Nov 2006 | — | No | ModNegligence | $60 | $60 |
| 6393036 | DNA Ridge Rock Lake, CA | Apr 2006 | — | No | ModNegligence | $60 | $60 |
| 6393035 | DNA Ridge Rock Lake, CA | Apr 2006 | — | No | ModNegligence | $60 | $60 |
| 6393034 | DNA Ridge Rock Lake, CA | Apr 2006 | — | No | ModNegligence | $60 | $60 |
| 6393033 | DNA Ridge Rock Lake, CA | Apr 2006 | — | No | ModNegligence | $60 | $60 |
| 6379665 | DNA Ridge Rock Lake, CA | Nov 2005 | — | No | ModNegligence | $60 | $60 |
| 6379663 | DNA Ridge Rock Lake, CA | Nov 2005 | — | No | ModNegligence | $60 | $60 |
| 6379662 | DNA Ridge Rock Lake, CA | Nov 2005 | — | No | ModNegligence | $60 | $60 |
| 6379661 | DNA Ridge Rock Lake, CA | Nov 2005 | — | No | ModNegligence | $60 | $60 |
| 6348367 | DNA Ridge Rock Lake, CA | Oct 2003 | — | No | ModNegligence | $60 | $60 |
| 6345249 | DNA Ridge Rock Lake, CA | Nov 2002 | — | 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 DNA RIDGE ROCK, INC.. 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 DNA RIDGE ROCK, INC.. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for DNA RIDGE ROCK, INC.. Verify directly with Environmental Protection Agency →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-07-23 | Planned | 1 | — | $300 | |
| 2023-04-11 | Planned | 1 | — | $175 | |
| 2020-02-13 | Planned | 0 | — | $0 | |
| 2018-04-27 | Planned | 6 | 2 | $7,340 | |
| 2014-12-04 | Planned | 0 | — | $0 | |
| 2013-08-08 | Planned | 0 | — | $0 | |
| 2012-05-31 | Planned | 1 | — | $0 | |
| 2011-07-13 | Planned | 1 | — | $0 | |
| 2008-06-09 | Planned | 0 | — | $0 | |
| 2007-04-10 | Planned | 0 | — | $0 | |
| 2006-04-06 | 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:
- 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 DNA RIDGE ROCK, INC. 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 DNA RIDGE ROCK, INC.'s OSHA violation history?
- DNA RIDGE ROCK, INC. has 11 OSHA inspections on record with 10 violations and $7,815 in total penalties.
- How does DNA RIDGE ROCK, INC.'s safety record compare to its industry?
- DNA RIDGE ROCK, INC. operates in the construction sand and gravel mining industry. The industry average Total Recordable Incident Rate (TRIR) is 1.5.