Plant #18 Metal/Non-Metal
Controlled by
Mathy Construction Company
Marathon,
Marathon County,
WI
·
Intermittent
MSHA Mine ID: 4703406
Plant #18 has $434 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
- —
Compliance record
MSHA citations since 2007
5
citations
1
significant & substantial
$434
proposed penalties
$434
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
25
inspections on record
210
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: 210 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plant #18 has $434 in proposed MSHA penalties and $0 outstanding across 0 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.$434
proposed penalties
$434
current assessed
$434
paid to date
$0
outstanding
5 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2016-07-20.
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 |
|---|---|---|---|---|
| 2025 Q4 | 286 | 0 | 0 | 0.0 |
| 2025 Q3 | 930 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,042 | 0 | 0 | 0.0 |
| 2025 Q1 | 187 | 0 | 0 | 0.0 |
| 2024 Q4 | 558 | 0 | 0 | 0.0 |
| 2024 Q3 | 998 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,223 | 0 | 0 | 0.0 |
| 2024 Q1 | 188 | 0 | 0 | 0.0 |
Show 77 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 348 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,062 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,057 | 0 | 0 | 0.0 |
| 2023 Q1 | 255 | 0 | 0 | 0.0 |
| 2022 Q4 | 807 | 0 | 0 | 0.0 |
| 2022 Q3 | 2,014 | 0 | 0 | 0.0 |
| 2022 Q2 | 1,606 | 0 | 0 | 0.0 |
| 2022 Q1 | 295 | 0 | 0 | 0.0 |
| 2021 Q4 | 401 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,043 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,046 | 0 | 0 | 0.0 |
| 2021 Q1 | 225 | 0 | 0 | 0.0 |
| 2020 Q4 | 674 | 0 | 0 | 0.0 |
| 2020 Q3 | 549 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,294 | 0 | 0 | 0.0 |
| 2020 Q1 | 739 | 0 | 0 | 0.0 |
| 2019 Q4 | 328 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,716 | 0 | 0 | 0.0 |
| 2019 Q2 | 707 | 0 | 0 | 0.0 |
| 2019 Q1 | 1 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,043 | 0 | 0 | 0.0 |
| 2018 Q3 | 409 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,198 | 0 | 0 | 0.0 |
| 2018 Q1 | 1,004 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,146 | 0 | 0 | 0.0 |
| 2017 Q3 | 1 | 0 | 0 | 0.0 |
| 2017 Q2 | 576 | 0 | 0 | 0.0 |
| 2017 Q1 | 1 | 0 | 0 | 0.0 |
| 2016 Q4 | 1 | 0 | 0 | 0.0 |
| 2016 Q3 | 743 | 1 | 0 | 1345.9 |
| 2016 Q2 | 1 | 0 | 0 | 0.0 |
| 2016 Q1 | 1 | 0 | 0 | 0.0 |
| 2015 Q4 | 2,919 | 0 | 0 | 0.0 |
| 2015 Q3 | 1 | 0 | 0 | 0.0 |
| 2015 Q2 | 1 | 0 | 0 | 0.0 |
| 2015 Q1 | 1 | 0 | 0 | 0.0 |
| 2014 Q4 | 1 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,437 | 1 | 1 | 695.9 |
| 2014 Q2 | 1 | 0 | 0 | 0.0 |
| 2014 Q1 | 1 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,701 | 0 | 0 | 0.0 |
| 2013 Q3 | 1 | 0 | 0 | 0.0 |
| 2013 Q2 | 1 | 0 | 0 | 0.0 |
| 2013 Q1 | 1 | 0 | 0 | 0.0 |
| 2012 Q4 | 710 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,954 | 0 | 0 | 0.0 |
| 2012 Q2 | 1 | 0 | 0 | 0.0 |
| 2012 Q1 | 1 | 0 | 0 | 0.0 |
| 2011 Q4 | 98 | 0 | 0 | 0.0 |
| 2011 Q3 | 228 | 0 | 0 | 0.0 |
| 2011 Q2 | 86 | 0 | 0 | 0.0 |
| 2011 Q1 | 18 | 0 | 0 | 0.0 |
| 2010 Q4 | 2,050 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,403 | 0 | 0 | 0.0 |
| 2010 Q2 | 1,374 | 1 | 0 | 727.8 |
| 2010 Q1 | 1 | 0 | 0 | 0.0 |
| 2009 Q4 | 195 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,043 | 0 | 0 | 0.0 |
| 2009 Q2 | 900 | 0 | 0 | 0.0 |
| 2009 Q1 | 1 | 0 | 0 | 0.0 |
| 2008 Q4 | 1 | 0 | 0 | 0.0 |
| 2008 Q3 | 1 | 0 | 0 | 0.0 |
| 2008 Q2 | 3,556 | 0 | 0 | 0.0 |
| 2008 Q1 | 2,208 | 0 | 0 | 0.0 |
| 2007 Q4 | 3,999 | 0 | 0 | 0.0 |
| 2007 Q3 | 6,456 | 0 | 0 | 0.0 |
| 2007 Q2 | 4,806 | 2 | 0 | 416.1 |
| 2007 Q1 | 934 | 0 | 0 | 0.0 |
| 2006 Q4 | 2,362 | 0 | 0 | 0.0 |
| 2006 Q3 | 4,230 | 0 | 0 | 0.0 |
| 2006 Q2 | 5,217 | 0 | 0 | 0.0 |
| 2006 Q1 | 2,126 | 0 | 0 | 0.0 |
| 2005 Q4 | 4,284 | 0 | 0 | 0.0 |
| 2005 Q3 | 6,555 | 0 | 0 | 0.0 |
| 2005 Q2 | 8,667 | 0 | 0 | 0.0 |
| 2005 Q1 | 1,693 | 0 | 0 | 0.0 |
| 2004 Q4 | 3,882 | 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 Plant #18
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.