Milestone Materials Div/Mathy Construction Co · Fall to the walkway or working surface
Operator's left foot slipped and operator fell to catwalk, causing contusion to left shoulder.
Plant #61 Metal/Non-Metal
Controlled by
Mathy Construction Company
Onalaska,
La Crosse County,
WI
·
Active
MSHA Mine ID: 4703235
Plant #61 has $2K in proposed MSHA penalties and $151 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 7
- Years on record
- 2001–2019
- Latest incident
- Aug 2019
Compliance record
MSHA citations since 2010
17
citations
1
significant & substantial
$1,922
proposed penalties
$1,771
paid to date
92% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
35
inspections on record
330
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: 330 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 #61 has $2K in proposed MSHA penalties and $151 outstanding across 1 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.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$151
outstanding
16 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-05-14.
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 | 2,643 | 0 | 0 | 0.0 |
| 2025 Q3 | 5,602 | 0 | 0 | 0.0 |
| 2025 Q2 | 3,740 | 2 | 0 | 534.8 |
| 2025 Q1 | 2,249 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,668 | 0 | 0 | 0.0 |
| 2024 Q3 | 4,810 | 0 | 0 | 0.0 |
| 2024 Q2 | 2,770 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Show 96 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 2,576 | 0 | 0 | 0.0 |
| 2023 Q3 | 4,815 | 0 | 0 | 0.0 |
| 2023 Q2 | 2,854 | 0 | 0 | 0.0 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 4,266 | 0 | 0 | 0.0 |
| 2022 Q3 | 4,239 | 0 | 0 | 0.0 |
| 2022 Q2 | 4,094 | 0 | 0 | 0.0 |
| 2022 Q1 | 96 | 0 | 0 | 0.0 |
| 2021 Q4 | 3,713 | 0 | 0 | 0.0 |
| 2021 Q3 | 3,586 | 0 | 0 | 0.0 |
| 2021 Q2 | 4,425 | 0 | 0 | 0.0 |
| 2021 Q1 | 798 | 1 | 0 | 1253.1 |
| 2020 Q4 | 2,941 | 0 | 0 | 0.0 |
| 2020 Q3 | 3,973 | 0 | 0 | 0.0 |
| 2020 Q2 | 795 | 0 | 0 | 0.0 |
| 2020 Q1 | 3,880 | 0 | 0 | 0.0 |
| 2019 Q4 | 3,363 | 0 | 0 | 0.0 |
| 2019 Q3 | 4,568 | 0 | 0 | 0.0 |
| 2019 Q2 | 3,983 | 0 | 0 | 0.0 |
| 2019 Q1 | 2,473 | 0 | 0 | 0.0 |
| 2018 Q4 | 3,424 | 0 | 0 | 0.0 |
| 2018 Q3 | 2,089 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,702 | 0 | 0 | 0.0 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 128 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,584 | 1 | 0 | 631.3 |
| 2017 Q2 | 2,140 | 0 | 0 | 0.0 |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 2,463 | 0 | 0 | 0.0 |
| 2016 Q3 | 4,030 | 2 | 0 | 496.3 |
| 2016 Q2 | 1,840 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 3,436 | 0 | 0 | 0.0 |
| 2015 Q3 | 4,729 | 0 | 0 | 0.0 |
| 2015 Q2 | 4,808 | 0 | 0 | 0.0 |
| 2015 Q1 | 275 | 0 | 0 | 0.0 |
| 2014 Q4 | 1 | 0 | 0 | 0.0 |
| 2014 Q3 | 4,091 | 2 | 0 | 488.9 |
| 2014 Q2 | 4,125 | 0 | 0 | 0.0 |
| 2014 Q1 | 947 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,499 | 0 | 0 | 0.0 |
| 2013 Q3 | 2,731 | 0 | 0 | 0.0 |
| 2013 Q2 | 2,988 | 1 | 0 | 334.7 |
| 2013 Q1 | 2,781 | 0 | 0 | 0.0 |
| 2012 Q4 | 546 | 0 | 0 | 0.0 |
| 2012 Q3 | 2,430 | 0 | 0 | 0.0 |
| 2012 Q2 | 2,846 | 0 | 0 | 0.0 |
| 2012 Q1 | 1 | 0 | 0 | 0.0 |
| 2011 Q4 | 818 | 3 | 0 | 3667.5 |
| 2011 Q3 | 4,064 | 1 | 0 | 246.1 |
| 2011 Q2 | 3,660 | 0 | 0 | 0.0 |
| 2011 Q1 | 1 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,514 | 0 | 0 | 0.0 |
| 2010 Q3 | 4,449 | 3 | 1 | 674.3 |
| 2010 Q2 | 3,391 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,373 | 0 | 0 | 0.0 |
| 2009 Q4 | 1,277 | 0 | 0 | 0.0 |
| 2009 Q3 | 2,480 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,212 | 0 | 0 | 0.0 |
| 2009 Q1 | 2,347 | 0 | 0 | 0.0 |
| 2008 Q4 | 3,512 | 0 | 0 | 0.0 |
| 2008 Q3 | 3,122 | 0 | 0 | 0.0 |
| 2008 Q2 | 1 | 0 | 0 | 0.0 |
| 2008 Q1 | 590 | 0 | 0 | 0.0 |
| 2007 Q4 | 3,476 | 0 | 0 | 0.0 |
| 2007 Q3 | 6,643 | 0 | 0 | 0.0 |
| 2007 Q2 | 3,783 | 0 | 0 | 0.0 |
| 2007 Q1 | 2,658 | 0 | 0 | 0.0 |
| 2006 Q4 | 4,227 | 0 | 0 | 0.0 |
| 2006 Q3 | 3,921 | 0 | 0 | 0.0 |
| 2006 Q2 | 3,435 | 0 | 0 | 0.0 |
| 2006 Q1 | 3,052 | 0 | 0 | 0.0 |
| 2005 Q4 | 2,799 | 0 | 0 | 0.0 |
| 2005 Q3 | 7,574 | 0 | 0 | 0.0 |
| 2005 Q2 | 8,106 | 0 | 0 | 0.0 |
| 2005 Q1 | 2,713 | 0 | 0 | 0.0 |
| 2004 Q4 | 3,202 | 0 | 0 | 0.0 |
| 2004 Q3 | 9,783 | 0 | 0 | 0.0 |
| 2004 Q2 | 8,117 | 0 | 0 | 0.0 |
| 2004 Q1 | 3,448 | 0 | 0 | 0.0 |
| 2003 Q4 | 5,440 | 0 | 0 | 0.0 |
| 2003 Q3 | 8,746 | 0 | 0 | 0.0 |
| 2003 Q2 | 0 | 0 | 0 | |
| 2003 Q1 | 0 | 0 | 0 | |
| 2002 Q4 | 0 | 0 | 0 | |
| 2002 Q3 | 3 | 0 | 0 | 0.0 |
| 2002 Q2 | 0 | 0 | 0 | |
| 2002 Q1 | 363 | 0 | 0 | 0.0 |
| 2001 Q4 | 300 | 0 | 0 | 0.0 |
| 2001 Q3 | 84 | 0 | 0 | 0.0 |
| 2001 Q2 | 191 | 0 | 0 | 0.0 |
| 2001 Q1 | 0 | 0 | 0 | |
| 2000 Q4 | 49 | 0 | 0 | 0.0 |
| 2000 Q3 | 14 | 0 | 0 | 0.0 |
| 2000 Q2 | 221 | 0 | 0 | 0.0 |
| 2000 Q1 | 341 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
7 on file2019 · 1 incident
2013 · 1 incident
Milestone Materials Div/Mathy Construction Co · Caught in, under or between (Not Elsewhere Classified)
EE cleaning return roller with a bar, it got caught resulting in laceration to the right ring finger.
2006 · 2 incidents
July 7, 2006
WI · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
MACHINERY
Milestone Materials Div/Mathy Construction Co · Struck by flying object
While tightenting the blow bars on the impactor, the mall missed the shoe and struck the blow bar. A chip from the blow bar struck employee on the forearm.
June 19, 2006
WI · Metal/Non-Metal
prep plant foreman, supervisor, mill plant supervisor, kiln supervisor
HANDTOOLS (NONPOWERED)
Milestone Materials Div/Mathy Construction Co · Caught in, under or between (Not Elsewhere Classified)
Employee pinched his finger with a bar when it snapped back off the cone mantle while tring to unplug clay.
2004 · 1 incident
February 25, 2004
WI · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Over-exertion (Not Elsewhere Classified)
EMPLOYEE WAS WORKING PLANT TEAR DOWN / SET-UP. LATE THAT DAY, HE EXPERIENCED PAIN CLIMBING AND USING HAND TOOL WITH RIGH ARM.
2001 · 2 incidents
Milestone Materials Div/Mathy Construction Co · Struck by... (Not Elsewhere Classified)
EMPLOYEE WAS SLOWLY MOVING DRILL INTO POSITION WHEN EITHER THE TRACK SLIPPED OFF ROCK OR TEETERED OFF ROCK. THE DRILL OVERTURNED AS A RESULT.
April 27, 2001
WI · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
SLIP OR FALL OF PERSON
Milestone Materials Div/Mathy Construction Co · Over-exertion (Not Elsewhere Classified)
WHEN WALKING ACROSS THE QUARRY IN THE DARK, EE STEP IN A DROP-OFF IN QUARRY FLOOR. IT RESULTED IN TWISTING HIS BACK.
For insurers, brokers, and safety consultants
The full compliance file on Plant #61
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.