Mining Incidents

Granite Quarry: 66 MSHA citations Metal/Non-Metal

Krukowski Stone Company Inc · Surface
Controlled by Jeff Krukowski
Mosinee, Marathon County, WI  ·  Intermittent
MSHA Mine ID: 4703236

Granite Quarry has $7K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2000
66
citations
13
significant & substantial
$6,866
proposed penalties
$6,766
paid to date
99% of proposed penalties paid to date, a $100 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
56
inspections on record
754
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: 754 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Granite Quarry has $7K in proposed MSHA penalties and $0 outstanding across 2 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.
$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
64 assessments are final orders; 2 contested dockets.
Of $427 in penalties contested before the Commission, $327 was upheld in final decisions.
As of the most recent assessment on 2024-11-26.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
20.3%
significant & substantial
3.1%
high negligence or reckless
20.3%
reasonably likely or greater
37.5%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 6.2% low, 90.6% moderate, 3.1% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
4 citations taken to the federal commission · 6% of citations on record
  • Settled 3 · 75%
  • Vacated or withdrawn 1 · 25%
23%
Penalty reduction in decided contests
$427 proposed, $327 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2010-07-01.
Contested penalties
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
LAKE 2008-453M Settlement Lesnick 2009 $300 → $200
LAKE 2010-806M Settlement Zielinski 2011 $127 → $127
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2018-04-04, 8 years ago
0%
of limit-tested samples over the exposure limit
6
samples
1
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg4
  • Quartz, respirable, >1% Qtz1
  • Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (6)
Date Contaminant Concentration Limit Conc / limit Occupation
2018-04-04 Respirable dust, <.1mg 0 Washer Operator
2014-11-04 Respirable dust, <.1mg 0 Stone Polisher/Cutter
2009-08-06 Unlisted Particulate, respirable, <1% Qtz 0.21 Drill Operator, Rotary Air
2009-08-06 Quartz, respirable, >1% Qtz 0.5 1.1 0.45 Backhoe Operator
2004-04-14 Respirable dust, <.1mg 0 Front-end Loader Operator
2004-04-14 Respirable dust, <.1mg 0 Drill Operator, Rotary
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. Krukowski Stone Company Inc 2000 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 3
2025 3
2024 3
2023 3
2022 3
2021 3
2020 3
2019 3
2018 3
2017 3
2016 3
2015 3
2014 3
2013 3
2012 2
2011 3
2010 3
2009 2
2008 4
2007 4
2006 4
2005 4
2004 3
2003 2
2002 3
2001 3
2000 3
Source: MSHA quarterly employment and production, updated weekly.

Granite Quarry sits in Marathon County, Wisconsin, where the Census mining category is 0.1% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Marathon County, Wisconsin · Population 138,067
0.1%
Mining share of county employment
$76,185
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 512 0 0 0.0
2026 Q1 602 0 0 0.0
2025 Q4 482 0 0 0.0
2025 Q3 902 0 0 0.0
2025 Q2 882 0 0 0.0
2025 Q1 145 0 0 0.0
2024 Q4 802 2 0 2493.8
2024 Q3 1,107 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 882 0 0 0.0
2024 Q1 642 0 0 0.0
2023 Q4 1,042 0 0 0.0
2023 Q3 1,082 1 0 924.2
2023 Q2 562 0 0 0.0
2023 Q1 194 0 0 0.0
2022 Q4 402 0 0 0.0
2022 Q3 601 0 0 0.0
2022 Q2 721 0 0 0.0
2022 Q1 161 0 0 0.0
2021 Q4 882 0 0 0.0
2021 Q3 722 0 0 0.0
2021 Q2 1,042 0 0 0.0
2021 Q1 242 0 0 0.0
2020 Q4 1,107 0 0 0.0
2020 Q3 1,042 0 0 0.0
2020 Q2 225 0 0 0.0
2020 Q1 9 0 0 0.0
2019 Q4 427 0 0 0.0
2019 Q3 187 0 0 0.0
2019 Q2 882 0 0 0.0
2019 Q1 76 0 0 0.0
2018 Q4 786 2 0 2544.5
2018 Q3 1,107 0 0 0.0
2018 Q2 857 0 0 0.0
2018 Q1 342 2 0 5848.0
2017 Q4 801 2 1 2496.9
2017 Q3 1,172 2 0 1706.5
2017 Q2 866 0 0 0.0
2017 Q1 408 0 0 0.0
2016 Q4 937 2 0 2134.5
2016 Q3 977 0 0 0.0
2016 Q2 632 6 1 9493.7
2016 Q1 802 0 0 0.0
2015 Q4 882 1 0 1133.8
2015 Q3 481 0 0 0.0
2015 Q2 447 0 0 0.0
2015 Q1 181 0 0 0.0
2014 Q4 401 7 2 17456.4
2014 Q3 820 1 0 1219.5
2014 Q2 161 0 0 0.0
2014 Q1 7 0 0 0.0
2013 Q4 421 0 0 0.0
2013 Q3 721 0 0 0.0
2013 Q2 801 0 0 0.0
2013 Q1 561 0 0 0.0
2012 Q4 781 0 0 0.0
2012 Q3 681 1 0 1468.4
2012 Q2 81 0 0 0.0
2012 Q1 481 0 0 0.0
2011 Q4 541 0 0 0.0
2011 Q3 879 0 0 0.0
2011 Q2 604 0 0 0.0
2010 Q4 451 0 0 0.0
2010 Q3 547 0 0 0.0
2010 Q2 703 2 0 2845.0
2010 Q1 335 0 0 0.0
2009 Q4 281 0 0 0.0
2009 Q3 241 8 1 33195.0
2009 Q2 498 0 0 0.0
2009 Q1 1 0 0 0.0
2008 Q4 297 0 0 0.0
2008 Q3 2,151 2 0 929.8
2008 Q2 2,211 0 0 0.0
2008 Q1 1,431 0 0 0.0
2007 Q4 1,611 0 0 0.0
2007 Q3 1,945 5 1 2570.7
2007 Q2 2,211 0 0 0.0
2007 Q1 1,560 0 0 0.0
2006 Q4 2,341 0 0 0.0
2006 Q3 1,658 0 0 0.0
2006 Q2 1,820 0 0 0.0
2006 Q1 781 3 1 3841.2
2005 Q4 912 0 0 0.0
2005 Q3 1,562 0 0 0.0
2005 Q2 1,563 2 0 1279.6
2005 Q1 1,652 0 0 0.0
2004 Q4 1,301 0 0 0.0
2004 Q3 322 0 0 0.0
2004 Q2 1,253 5 2 3990.4
2004 Q1 240 0 0 0.0
2003 Q4 240 0 0 0.0
2003 Q3 1,040 3 0 2884.6
2003 Q2 1,384 0 0 0.0
2003 Q1 587 0 0 0.0
2002 Q4 1,302 0 0 0.0
2002 Q3 1,042 0 0 0.0
2002 Q2 770 1 1 1298.7
2002 Q1 392 0 0 0.0
2001 Q4 552 0 0 0.0
2001 Q3 572 1 0 1748.3
2001 Q2 600 0 0 0.0
2001 Q1 245 0 0 0.0
2000 Q4 730 0 0 0.0
2000 Q3 1,065 0 0 0.0
2000 Q2 598 1 1 1672.2

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.