Lyon Rock Quarry Metal/Non-Metal
Lyon Rock Quarry has $13K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Lyon Rock Quarry has $13K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.
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Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 369 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,044 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,035 | 0 | 0 | 0.0 |
| 2011 Q1 | 918 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,062 | 12 | 5 | 11299.4 |
| 2010 Q3 | 1,011 | 0 | 0 | 0.0 |
| 2010 Q2 | 1,168 | 0 | 0 | 0.0 |
Show 41 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2010 Q1 | 1,256 | 0 | 0 | 0.0 |
| 2009 Q4 | 1,276 | 3 | 0 | 2351.1 |
| 2009 Q3 | 1,456 | 0 | 0 | 0.0 |
| 2009 Q2 | 976 | 1 | 0 | 1024.6 |
| 2009 Q1 | 840 | 0 | 0 | 0.0 |
| 2008 Q4 | 592 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,474 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,241 | 0 | 0 | 0.0 |
| 2008 Q1 | 96 | 0 | 0 | 0.0 |
| 2007 Q4 | 500 | 5 | 0 | 10000.0 |
| 2007 Q3 | 680 | 0 | 0 | 0.0 |
| 2007 Q2 | 620 | 0 | 0 | 0.0 |
| 2007 Q1 | 480 | 0 | 0 | 0.0 |
| 2006 Q4 | 700 | 0 | 0 | 0.0 |
| 2006 Q3 | 800 | 2 | 0 | 2500.0 |
| 2006 Q2 | 300 | 15 | 3 | 50000.0 |
| 2006 Q1 | 320 | 0 | 0 | 0.0 |
| 2005 Q4 | 320 | 0 | 0 | 0.0 |
| 2005 Q3 | 960 | 0 | 0 | 0.0 |
| 2005 Q2 | 480 | 0 | 0 | 0.0 |
| 2005 Q1 | 480 | 0 | 0 | 0.0 |
| 2004 Q4 | 480 | 0 | 0 | 0.0 |
| 2004 Q3 | 480 | 12 | 2 | 25000.0 |
| 2004 Q2 | 865 | 0 | 0 | 0.0 |
| 2004 Q1 | 540 | 0 | 0 | 0.0 |
| 2003 Q4 | 2 | 0 | 0 | 0.0 |
| 2003 Q3 | 4,864 | 2 | 0 | 411.2 |
| 2003 Q2 | 1,920 | 0 | 0 | 0.0 |
| 2003 Q1 | 640 | 0 | 0 | 0.0 |
| 2002 Q4 | 1,126 | 0 | 0 | 0.0 |
| 2002 Q3 | 1,046 | 0 | 0 | 0.0 |
| 2002 Q2 | 1,120 | 0 | 0 | 0.0 |
| 2002 Q1 | 620 | 0 | 0 | 0.0 |
| 2001 Q4 | 440 | 0 | 0 | 0.0 |
| 2001 Q3 | 440 | 5 | 0 | 11363.6 |
| 2001 Q2 | 640 | 0 | 0 | 0.0 |
| 2001 Q1 | 646 | 0 | 0 | 0.0 |
| 2000 Q4 | 480 | 0 | 0 | 0.0 |
| 2000 Q3 | 640 | 0 | 0 | 0.0 |
| 2000 Q2 | 1,040 | 0 | 0 | 0.0 |
| 2000 Q1 | 1,090 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
The full compliance file on Lyon Rock Quarry
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.