Mining Incidents

Plant #38 Metal/Non-Metal

Onalaska, La Crosse County, WI  ·  Active
MSHA Mine ID: 2100777

Plant #38 has $8K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
40
Years on record
1989–2025
Latest incident
Nov 2025
Compliance record
MSHA citations since 2000
55
citations
6
significant & substantial
$8,491
proposed penalties
$8,265
paid to date
97% of proposed penalties paid to date, a $226 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
45
inspections on record
548
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: 548 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 #38 has $8K in proposed MSHA penalties and $0 outstanding across 3 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
54 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2025-07-24.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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 3,504 0 0 0.0
2025 Q3 3,627 2 0 551.4
2025 Q2 3,938 0 0 0.0
2025 Q1 2,058 0 0 0.0
2024 Q4 3,116 0 0 0.0
2024 Q3 3,687 0 0 0.0
2024 Q2 3,054 0 0 0.0
2024 Q1 1,783 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,379 0 0 0.0
2023 Q3 3,538 0 0 0.0
2023 Q2 3,986 0 0 0.0
2023 Q1 2,237 0 0 0.0
2022 Q4 3,743 0 0 0.0
2022 Q3 3,382 0 0 0.0
2022 Q2 3,038 0 0 0.0
2022 Q1 3,737 1 1 267.6
2021 Q4 2,163 0 0 0.0
2021 Q3 3,606 0 0 0.0
2021 Q2 4,295 0 0 0.0
2021 Q1 1,558 0 0 0.0
2020 Q4 2,004 0 0 0.0
2020 Q3 3,913 0 0 0.0
2020 Q2 4,262 0 0 0.0
2020 Q1 5,904 0 0 0.0
2019 Q4 3,317 0 0 0.0
2019 Q3 5,483 0 0 0.0
2019 Q2 4,294 2 0 465.8
2019 Q1 847 0 0 0.0
2018 Q4 3,573 0 0 0.0
2018 Q3 5,174 0 0 0.0
2018 Q2 4,901 0 0 0.0
2018 Q1 1,249 0 0 0.0
2017 Q4 4,658 4 1 858.7
2017 Q3 5,252 0 0 0.0
2017 Q2 5,533 0 0 0.0
2017 Q1 912 0 0 0.0
2016 Q4 3,856 0 0 0.0
2016 Q3 5,214 0 0 0.0
2016 Q2 4,498 0 0 0.0
2016 Q1 1,339 0 0 0.0
2015 Q4 3,103 0 0 0.0
2015 Q3 5,868 0 0 0.0
2015 Q2 3,669 0 0 0.0
2015 Q1 1,763 0 0 0.0
2014 Q4 4,973 0 0 0.0
2014 Q3 5,075 1 1 197.0
2014 Q2 3,878 0 0 0.0
2014 Q1 2,144 0 0 0.0
2013 Q4 4,358 0 0 0.0
2013 Q3 4,355 0 0 0.0
2013 Q2 3,953 3 0 758.9
2013 Q1 1,479 0 0 0.0
2012 Q4 3,097 0 0 0.0
2012 Q3 4,560 0 0 0.0
2012 Q2 4,092 0 0 0.0
2012 Q1 1,356 3 0 2212.4
2011 Q4 2,901 0 0 0.0
2011 Q3 6,104 0 0 0.0
2011 Q2 6,961 18 1 2585.8
2011 Q1 2,628 0 0 0.0
2010 Q4 1,254 0 0 0.0
2010 Q3 7,066 0 0 0.0
2010 Q2 6,378 7 0 1097.5
2010 Q1 949 0 0 0.0
2009 Q4 2,940 0 0 0.0
2009 Q3 7,056 1 0 141.7
2009 Q2 7,104 0 0 0.0
2009 Q1 1,906 0 0 0.0
2008 Q4 5,396 0 0 0.0
2008 Q3 8,089 0 0 0.0
2008 Q2 7,889 0 0 0.0
2008 Q1 4,769 0 0 0.0
2007 Q4 6,650 1 0 150.4
2007 Q3 9,706 0 0 0.0
2007 Q2 10,036 0 0 0.0
2007 Q1 3,266 0 0 0.0
2006 Q4 6,556 2 1 305.1
2006 Q3 9,806 0 0 0.0
2006 Q2 9,314 0 0 0.0
2006 Q1 6,879 1 0 145.4
2005 Q4 5,675 0 0 0.0
2005 Q3 10,427 0 0 0.0
2005 Q2 8,915 0 0 0.0
2005 Q1 7,142 0 0 0.0
2004 Q4 6,087 1 0 164.3
2004 Q3 8,038 0 0 0.0
2004 Q2 10,095 0 0 0.0
2004 Q1 3,889 0 0 0.0
2003 Q4 5,693 0 0 0.0
2003 Q3 9,117 0 0 0.0
2003 Q2 5,331 0 0 0.0
2003 Q1 2,674 0 0 0.0
2002 Q4 6,170 0 0 0.0
2002 Q3 8,104 0 0 0.0
2002 Q2 8,311 0 0 0.0
2002 Q1 3,263 0 0 0.0
2001 Q4 6,125 0 0 0.0
2001 Q3 6,331 2 1 315.9
2001 Q2 7,031 0 0 0.0
2001 Q1 4,704 0 0 0.0
2000 Q4 3,796 0 0 0.0
2000 Q3 5,946 6 0 1009.1
2000 Q2 8,327 0 0 0.0
2000 Q1 5,135 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

40 on file

2025 · 1 incident

2023 · 1 incident

2013 · 1 incident

June 29, 2013 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Milestone Materials Division Mathy Construction · Struck against a moving object

EE alleges that while operating a backhoe scaling quarry highwall, his lower back began to hurt after being jarred when a large rock hit the bucket.

2010 · 1 incident

2005 · 1 incident

September 23, 2005 WI · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDLING OF MATERIALS
Milestone Materials Division Mathy Construction · Caught in, under or between (Not Elsewhere Classified)

Shutting down at end of day. Employee climbed from the backhoe and the door swung open. When he grabbed it his ring got caught, causing his injury (laceration).

2004 · 1 incident

2002 · 1 incident

2001 · 1 incident

2000 · 1 incident

1999 · 2 incidents

June 25, 1999 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Milestone Materials Division Mathy Construction · Struck against a moving object

THE STEERING FAILED ON THE HAUL TRK CAUSING EE TO STRIKE HIS CHEST ON STEERING WHEEL WHEN THE TRK STRUCK THE BERM

1998 · 1 incident

1997 · 1 incident

August 22, 1997 MN · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver DUST DISEASE OF LUNGS
Milestone Materials Division Mathy Construction · Inhalation of radiations, caustics, toxic and noxious substances

THE CHEST X-RAY READING ON 8-22-97 WAS READ AT CLASS 1/1.

1995 · 3 incidents

May 1, 1995 MN · Metal/Non-Metal welder (shop) MACHINERY
Milestone Materials Division Mathy Construction · Contact with hot objects or substances

EMPLOYEE WAS WELDING ON THE GRATE OF THE PRIMARY CRUSHER WHEN SLAG FROM THE WELD LANDED ON HIS BOOT BURNED THROUGH HIS BOOT CAUSING INJURY TO HIS FOOT

1994 · 2 incidents

December 16, 1994 MN · Metal/Non-Metal drill operator MACHINERY
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS OPERATING DRILL WHEN PULLDOWN CHAIN SNAPPED AND WHIPLASHED KNOCKING OFF EMPLOYEE'S HARD HAT AND LACERATING TOP OF HEAD, REQUIRING STITCHES.

1993 · 1 incident

November 29, 1993 MN · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Milestone Materials Division Mathy Construction · Fall to the walkway or working surface

EMPLOYEE, TRUCK DRIVER, WAS CLEANING SNOW & ICE FROM FLOOR OF BOX (TRUCK) WHEN HIS FEET SLIPPED ON WET ICEING BOX FLOOR CAUSING HIM TO FALL BACKWARDS HITTING HIS BACKSIDE ON TRUCK FLOOR, CAUS ING SORENESS IN BACK AREA.

1992 · 3 incidents

May 27, 1992 MN · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor MACHINERY
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)

WHILE OPERATING A CRANE WITH DROP BALL TRAVEL LEVER KICKED OUT AS EE WAS REACHING FOR IT CAUSING THE REPORTED INJURY

January 25, 1992 MN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

EMPLOYEE WAS PREPARING TO START A TRUCK AT QUARRY SITE AND FELL STRIKING HEAD AND SHOULDERS ON ICE DUE TO A NEW SNOW COVER, AS HE WAS APPROACHING TE PARKED TRUCK.

1991 · 4 incidents

1990 · 10 incidents

November 9, 1990 MN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)

EMPL WAS STRAIGHTENING PIECE OF IRON WITH MALL & IRON FLIPPED OVER HITTING BACK OF RIGHT HAND RIGHT BELOW WRIST,

October 26, 1990 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

EMPLOYEE WAS GETTING OFF KOMATSU LOADER. BOTTOM STEP WAS BROKEN OFF AND HE HUNG ONTO RUNGS OF LADDER WITH HIS ARMS. HIS BODY SWUNG AROUND HITTING HIS BACK ON ONE OF THE LOADER TIRES.

October 24, 1990 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Milestone Materials Division Mathy Construction · Struck against stationary object

EMPLOYEE WAS HELPING CHANGE HAMMERS ON ROCK CRUSHER. HE BUMPED RIGHT ELBOW ON FRAME OF UNIT CAUSING A BRUISED NERVE. (RIGHT ELBOW).

August 15, 1990 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Milestone Materials Division Mathy Construction · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS FEEDING ROCK BREAKER. HE WAS HOOKING A CHAIN AROUND THE ROCK SO A LOADER COULD PULL THE ROCK OUT JAW OF BREAKER CAME BACK AROUND AND PINCHED EMPLOYEE'S RIGHT HAND BETWEEN THE JAW AND ROCK.

August 10, 1990 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)

ROCK QUARRY CREW WAS LIFTING MESABI SCREEN TO ROCK CRUSHER WITH A CRANE WHEN SPRING TWISTED AND FLEW OUT CATCHING EE S LEFT FOREARM CUTTING SAME HE ALSO BRUISED HIS LEFT RIB CAGE AREA AS A RES ULT.

February 15, 1990 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Milestone Materials Division Mathy Construction · Fall to lower level, (Not Elsewhere Classified)

EMPLOYEE WAS ASSISTING IN THE INSTALLATION OF A ROTOR ON A PRIMARY ROCK CRUSHER. A CHAIN SLIPPED AND EMPLOYEE MOVED BACK, LOSING HIS BALANCE AND FALLING APPROXIMATELY 5 FEET. HE LANDED ON HI S LEFT SHOULDER.

January 29, 1990 MN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS STRAIGHTENING TAIL GATE ON LIME SPREADER WITH A MALL AND IT SLIPPED AND THE END OF THE HANDLE STRUCK HIM ON CHEEK BONE JUST BELOW HIS RIGHT EYE.

January 2, 1990 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Milestone Materials Division Mathy Construction · Over-exertion in pulling or pushing objects

EMPLOYEE WAS RUNNING A LIME MILL MAKING AGRICULTURAL LIMESTONE. MACHINE WAS SHUT OFF AND HE WAS CHECKING UNIT. HIS GLOVE CAUGHT ON A PULLEY GUARD AND HE PULLED TO REMOVE IT TEARING IT, CAUSING PAIN IN LEFT ELBOW.

1989 · 4 incidents

For insurers, brokers, and safety consultants

The full compliance file on Plant #38

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.