Mt Si Quarry Metal/Non-Metal
Mt Si Quarry SMM
· Surface
Controlled by
Lance Despain
Bellevue,
King County,
WA
·
Abandoned
MSHA Mine ID: 4502189
Mt Si Quarry has $15K in proposed MSHA penalties and $0 outstanding across 10 contested dockets, plus health sampling and the full incident record.
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Email me when a new MSHA incident is filed at Mt Si Quarry.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2000
127
citations
18
significant & substantial
$14,974
proposed penalties
$14,117
paid to date
94% of proposed penalties paid to date, a $857 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
59
inspections on record
900
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 900 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Mt Si Quarry has $15K in proposed MSHA penalties and $0 outstanding across 10 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$15K
proposed penalties
$14K
current assessed
$14K
paid to date
$0
outstanding
126 assessments are final orders; 10 contested dockets.
As of the most recent assessment on 2025-02-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
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.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2024 Q4 | 436 | 0 | 0 | 0.0 |
| 2024 Q3 | 631 | 0 | 0 | 0.0 |
| 2024 Q2 | 644 | 0 | 0 | 0.0 |
| 2024 Q1 | 630 | 0 | 0 | 0.0 |
| 2023 Q4 | 1,484 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,454 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,637 | 0 | 0 | 0.0 |
| 2023 Q1 | 1,607 | 0 | 0 | 0.0 |
Show 92 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2022 Q4 | 1,078 | 0 | 0 | 0.0 |
| 2022 Q3 | 1,348 | 2 | 0 | 1483.7 |
| 2022 Q2 | 1,483 | 0 | 0 | 0.0 |
| 2022 Q1 | 1,439 | 7 | 1 | 4864.5 |
| 2021 Q4 | 1,664 | 0 | 0 | 0.0 |
| 2021 Q3 | 2,165 | 3 | 0 | 1385.7 |
| 2021 Q2 | 1,547 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,810 | 1 | 0 | 552.5 |
| 2020 Q4 | 2,572 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,803 | 1 | 0 | 554.6 |
| 2020 Q2 | 1,832 | 0 | 0 | 0.0 |
| 2020 Q1 | 793 | 2 | 0 | 2522.1 |
| 2019 Q4 | 1,001 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,208 | 1 | 0 | 827.8 |
| 2019 Q2 | 1,049 | 0 | 0 | 0.0 |
| 2019 Q1 | 847 | 0 | 0 | 0.0 |
| 2018 Q4 | 995 | 3 | 0 | 3015.1 |
| 2018 Q3 | 960 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,644 | 0 | 0 | 0.0 |
| 2018 Q1 | 1,830 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,508 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,331 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,617 | 3 | 0 | 1855.3 |
| 2017 Q1 | 2,144 | 0 | 0 | 0.0 |
| 2016 Q4 | 1,463 | 1 | 0 | 683.5 |
| 2016 Q3 | 1,009 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,149 | 13 | 3 | 11314.2 |
| 2016 Q1 | 1,444 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,378 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,296 | 1 | 0 | 771.6 |
| 2015 Q2 | 1,106 | 0 | 0 | 0.0 |
| 2015 Q1 | 966 | 1 | 0 | 1035.2 |
| 2014 Q4 | 943 | 2 | 0 | 2120.9 |
| 2014 Q3 | 781 | 4 | 1 | 5121.6 |
| 2014 Q2 | 1,022 | 0 | 0 | 0.0 |
| 2014 Q1 | 951 | 2 | 0 | 2103.0 |
| 2013 Q4 | 1,025 | 1 | 0 | 975.6 |
| 2013 Q3 | 1,035 | 3 | 0 | 2898.6 |
| 2013 Q2 | 962 | 0 | 0 | 0.0 |
| 2013 Q1 | 964 | 2 | 0 | 2074.7 |
| 2012 Q4 | 933 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,341 | 0 | 0 | 0.0 |
| 2012 Q2 | 1,013 | 3 | 0 | 2961.5 |
| 2012 Q1 | 903 | 1 | 0 | 1107.4 |
| 2011 Q4 | 952 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,165 | 2 | 1 | 1716.7 |
| 2011 Q2 | 1,109 | 0 | 0 | 0.0 |
| 2011 Q1 | 884 | 2 | 0 | 2262.4 |
| 2010 Q4 | 1,133 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,143 | 0 | 0 | 0.0 |
| 2010 Q2 | 826 | 1 | 0 | 1210.7 |
| 2010 Q1 | 921 | 2 | 1 | 2171.6 |
| 2009 Q4 | 1,085 | 0 | 0 | 0.0 |
| 2009 Q3 | 966 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,104 | 1 | 0 | 905.8 |
| 2009 Q1 | 975 | 1 | 0 | 1025.6 |
| 2008 Q4 | 1,127 | 3 | 0 | 2661.9 |
| 2008 Q3 | 1,068 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,063 | 0 | 0 | 0.0 |
| 2008 Q1 | 833 | 9 | 3 | 10804.3 |
| 2007 Q4 | 861 | 3 | 2 | 3484.3 |
| 2007 Q3 | 1,039 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,495 | 3 | 0 | 2006.7 |
| 2007 Q1 | 1,368 | 2 | 0 | 1462.0 |
| 2006 Q4 | 1,253 | 0 | 0 | 0.0 |
| 2006 Q3 | 1,433 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,400 | 1 | 0 | 714.3 |
| 2006 Q1 | 942 | 1 | 0 | 1061.6 |
| 2005 Q4 | 828 | 0 | 0 | 0.0 |
| 2005 Q3 | 1,289 | 0 | 0 | 0.0 |
| 2005 Q2 | 1,515 | 0 | 0 | 0.0 |
| 2005 Q1 | 1,675 | 3 | 0 | 1791.0 |
| 2004 Q4 | 1,859 | 7 | 2 | 3765.5 |
| 2004 Q3 | 1,261 | 1 | 0 | 793.0 |
| 2004 Q2 | 1,680 | 2 | 0 | 1190.5 |
| 2004 Q1 | 1,741 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,912 | 0 | 0 | 0.0 |
| 2003 Q3 | 1,364 | 0 | 0 | 0.0 |
| 2003 Q2 | 1,171 | 3 | 0 | 2561.9 |
| 2003 Q1 | 1,137 | 0 | 0 | 0.0 |
| 2002 Q4 | 1,184 | 2 | 0 | 1689.2 |
| 2002 Q3 | 1,303 | 0 | 0 | 0.0 |
| 2002 Q2 | 1,303 | 0 | 0 | 0.0 |
| 2002 Q1 | 1,277 | 3 | 0 | 2349.3 |
| 2001 Q4 | 1,367 | 0 | 0 | 0.0 |
| 2001 Q3 | 1,283 | 15 | 4 | 11691.3 |
| 2001 Q2 | 1,330 | 0 | 0 | 0.0 |
| 2001 Q1 | 1,652 | 0 | 0 | 0.0 |
| 2000 Q4 | 1,444 | 0 | 0 | 0.0 |
| 2000 Q3 | 1,751 | 2 | 0 | 1142.2 |
| 2000 Q2 | 1,683 | 0 | 0 | 0.0 |
| 2000 Q1 | 1,035 | 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.
For insurers, brokers, and safety consultants
The full compliance file on Mt Si 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.