Mining Incidents

Plant #32 Metal/Non-Metal

Onalaska, Monroe County, WI  ·  Active
MSHA Mine ID: 4702405

Plant #32 has $2K in proposed MSHA penalties and $604 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
34
Years on record
1989–2021
Latest incident
Feb 2021
Compliance record
MSHA citations since 2001
20
citations
3
significant & substantial
$2,345
proposed penalties
$1,741
paid to date
74% of proposed penalties paid to date, a $604 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
36
inspections on record
443
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: 443 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 #32 has $2K in proposed MSHA penalties and $604 outstanding across 4 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
$604
outstanding
16 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2025-09-09.
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 3,848 0 0 0.0
2025 Q3 5,775 4 0 692.6
2025 Q2 4,585 0 0 0.0
2025 Q1 1,933 0 0 0.0
2024 Q4 2,888 0 0 0.0
2024 Q3 4,630 0 0 0.0
2024 Q2 4,227 0 0 0.0
2024 Q1 3,377 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,896 0 0 0.0
2023 Q3 3,703 0 0 0.0
2023 Q2 2,355 0 0 0.0
2023 Q1 4,232 0 0 0.0
2022 Q4 3,129 0 0 0.0
2022 Q3 4,055 0 0 0.0
2022 Q2 4,502 0 0 0.0
2022 Q1 1,653 0 0 0.0
2021 Q4 3,504 0 0 0.0
2021 Q3 3,898 0 0 0.0
2021 Q2 4,706 0 0 0.0
2021 Q1 1,223 0 0 0.0
2020 Q4 3,106 0 0 0.0
2020 Q3 3,989 0 0 0.0
2020 Q2 3,639 0 0 0.0
2020 Q1 1,086 0 0 0.0
2019 Q4 4,004 0 0 0.0
2019 Q3 4,064 0 0 0.0
2019 Q2 4,563 0 0 0.0
2019 Q1 22 0 0 0.0
2018 Q4 2,054 0 0 0.0
2018 Q3 3,964 0 0 0.0
2018 Q2 4,544 0 0 0.0
2018 Q1 1,211 0 0 0.0
2017 Q4 4,985 0 0 0.0
2017 Q3 4,210 1 1 237.5
2017 Q2 5,020 0 0 0.0
2017 Q1 304 0 0 0.0
2016 Q4 2,643 0 0 0.0
2016 Q3 3,588 0 0 0.0
2016 Q2 3,633 0 0 0.0
2016 Q1 0 0 0
2015 Q4 4,715 0 0 0.0
2015 Q3 4,896 0 0 0.0
2015 Q2 3,788 0 0 0.0
2015 Q1 1,470 0 0 0.0
2014 Q4 3,929 0 0 0.0
2014 Q3 3,684 0 0 0.0
2014 Q2 3,747 0 0 0.0
2014 Q1 1,133 0 0 0.0
2013 Q4 3,057 1 0 327.1
2013 Q3 3,671 0 0 0.0
2013 Q2 2,835 0 0 0.0
2013 Q1 2,107 0 0 0.0
2012 Q4 3,383 0 0 0.0
2012 Q3 4,618 0 0 0.0
2012 Q2 3,794 0 0 0.0
2012 Q1 2,144 0 0 0.0
2011 Q4 4,147 1 0 241.1
2011 Q3 4,072 0 0 0.0
2011 Q2 5,017 0 0 0.0
2011 Q1 1,287 0 0 0.0
2010 Q4 4,356 0 0 0.0
2010 Q3 5,012 0 0 0.0
2010 Q2 5,672 0 0 0.0
2010 Q1 2,606 0 0 0.0
2009 Q4 2,008 0 0 0.0
2009 Q3 4,074 0 0 0.0
2009 Q2 4,535 4 1 882.0
2009 Q1 1,657 0 0 0.0
2008 Q4 3,113 0 0 0.0
2008 Q3 7,053 0 0 0.0
2008 Q2 5,385 0 0 0.0
2008 Q1 3,570 0 0 0.0
2007 Q4 5,240 0 0 0.0
2007 Q3 6,115 3 0 490.6
2007 Q2 5,735 0 0 0.0
2007 Q1 2,294 0 0 0.0
2006 Q4 3,590 0 0 0.0
2006 Q3 5,106 0 0 0.0
2006 Q2 5,330 0 0 0.0
2006 Q1 5,001 0 0 0.0
2005 Q4 5,776 0 0 0.0
2005 Q3 8,047 0 0 0.0
2005 Q2 7,805 0 0 0.0
2005 Q1 5,593 0 0 0.0
2004 Q4 4,559 0 0 0.0
2004 Q3 7,357 0 0 0.0
2004 Q2 5,897 0 0 0.0
2004 Q1 3,106 0 0 0.0
2003 Q4 5,339 0 0 0.0
2003 Q3 9,147 0 0 0.0
2003 Q2 4,669 0 0 0.0
2003 Q1 3,383 0 0 0.0
2002 Q4 6,685 2 1 299.2
2002 Q3 8,181 0 0 0.0
2002 Q2 9,697 0 0 0.0
2002 Q1 714 0 0 0.0
2001 Q4 6,895 4 0 580.1
2001 Q3 7,735 0 0 0.0
2001 Q2 8,198 0 0 0.0
2001 Q1 4,040 0 0 0.0
2000 Q4 4,672 0 0 0.0
2000 Q3 5,078 0 0 0.0
2000 Q2 6,937 0 0 0.0
2000 Q1 4,428 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

34 on file

2021 · 1 incident

February 25, 2021 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Milestone Materials Div/Mathy Construction Co · Struck by... (Not Elsewhere Classified)

Operator was struck in the hand while releasing the handle on a ratchet strap. Impact from the handle fractured Operator's thumb.

2016 · 1 incident

2015 · 1 incident

2010 · 1 incident

September 25, 2010 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Over-exertion in lifting objects

While lifting dredge pipe employee felt pain in lower abdomen and reported it as report only. He sought treatment on 10-28-10.

2006 · 2 incidents

August 11, 2006 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER

Employee indicates he was walking around the plant with safety glasses on; an object flew into his left eye.

June 14, 2006 WI · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Struck by falling object

Employee had the sample catcher on her right shoulder. As she bent over to pick up the sample pail the catcher fell and struck her right shoulder.

2004 · 2 incidents

June 17, 2004 WI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Milestone Materials Div/Mathy Construction Co · Struck by... (Not Elsewhere Classified)

Employee was replacing teeth on a 330 Volvo front-end loader bucket. Kyle attempted to drive the pin out of the tooth with a mallet and struck his thumb as a result. Kyle began to loose time on 6/29/04.

2002 · 2 incidents

December 6, 2002 WI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Milestone Materials Div/Mathy Construction Co · Caught in, under or between running or meshing objects

WHEN MAKING REPAIR ON THE CRUSHER EE GRABBED THE V-BELTS TO KEEP HIS BALANCE AND THE BELT ROLLED AND PULLED HIS HAND BETWEEN THE BELT AND CHEV OR V-PULLEY.

2001 · 1 incident

October 27, 2001 WI · Metal/Non-Metal welder (shop) MACHINERY
Milestone Materials Div/Mathy Construction Co · Struck by... (Not Elsewhere Classified)

THE WELDER PLACED THE HAND GRINDER THAT HE HAD BEEN USING ON THE FENDER OF THE TRAILER THAT HE WAS WORKING ON. APPARENTLY SOMETHING CAME OFF THE GRINDING WHEEL AND STRUCK HIS EYE FROM BEHIND T HE GLASSES.

2000 · 2 incidents

March 17, 2000 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Milestone Materials Div/Mathy Construction Co · Struck against a moving object

STEERING FAILED IN HAUL TRK WHILE TRAVELING DOWN HILL THE TRK VEERED TO THE LT PLUNGING INTOBERM TRK BOX OVERTURNED

1999 · 3 incidents

October 29, 1999 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Milestone Materials Div/Mathy Construction Co · Fall onto or against objects

WHILE CHANGING SCREENS EE LOST HIS BALANCE, FELL ON THE SCREEN LANDING ON HIS RIGHT SHOULDER. HE ALSO STRUCK HIS LEFT ELBOW KNEE AND CHIN.

August 26, 1999 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Struck by... (Not Elsewhere Classified)

WHILE UNLOADING WOOD BLOCKS FROM A LOADER BUCKET, A BLOCK SLID DOWN AND FELL OUT OF THE BUCKET, STRIKING EE'S LEFT LEG JUST ABOVE THE ANKLE.

1998 · 1 incident

October 14, 1998 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Struck by falling object

EE WALKED UNDER OR NEAR THE BREAKER AS THE WOODEN BLOCKS WQERE BEING THROWN OVER THE SIDE OF THE HOPPER. A BLOCK STRUCK EE ON FOOT.

1997 · 2 incidents

June 23, 1997 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Fall onto or against objects

EE WAS PUTTING WOODEN BLOCKING ON THE SIDE RACK OF THE CRUSHER. WHEN HE ATTEMPTED TO STRAP THE BLOCKING DOWN THE STRAP BROKE, HE LUNGED FORWARDSTRIKING HIS CHIN ONTHE RACK.

May 20, 1997 WI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Milestone Materials Div/Mathy Construction Co · Struck against a moving object

EE WAS OPERATING A FRONT END LOADER WHEN THE LOADER WENT ACROOS A GROUND DEPRESSION. JOLTING THEWORKER AND APPARENTLY CAUSING HIS BACK DISCOMFORT.

1995 · 2 incidents

December 5, 1995 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON

ATTEMPTED TO CLIMB INTO HIS DUMP TRUCK USING THE STEPS. HIS FOOT SLIPPED FROM THE LADDER STEP AND HE FELL BACKWARD LANDING ON HIS HANDS.

April 10, 1995 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Milestone Materials Div/Mathy Construction Co · Struck against stationary object

EMPLOYEE WAS REPLACING A SCREEN RAIL BY FORCE FULLY PUSHIGN IT INTO POSITION. THE SCREEN RAIL STOPPED WHEN IT STRUKC A CROSS MEMBER OF THE SCREEN DECK CAUSING EMPLOYEE TO JAM HIS THUMB.

1994 · 2 incidents

October 7, 1994 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 in lifting objects

WHILE PREPARING TO MOVE THE SECONDARY CRUSHER, EMPLOYEE WAS PICKING UP TO WOODEN BLOCKING PLACING IT IN TRANSPORT BIN. WHEN LIFTING ONE OF THE BLOCKS HIS FOOT SLIPPED & HE FELT THE PAIN IN LOW RE BACK.

1993 · 2 incidents

June 9, 1993 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)

WHILE USING A METAL WEDGE TO WEDGE A BOULDER INTO THE JAW OF THE CRUSHER, A PIECE OF METAL CHIPPED FROM THE WEDGE AND STRUCK EMPLOYEE ON HIS FACE.

1992 · 1 incident

September 24, 1992 WI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Milestone Materials Div/Mathy Construction Co · Struck by rolling or sliding object

WHILE CLEARING ROCK MATERIAL AWAY FROM A LARGER ROCK. THAT WAS JAMMED IN THE JAW, ONE RCOK ROLLED DOWN STRIKING HIS HAND AND SMASHING HIS THUMB AGAINST ANOTHER ROCK.

1991 · 1 incident

1990 · 5 incidents

August 14, 1990 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Milestone Materials Div/Mathy Construction Co · Fall onto or against objects

WHILEASSSITING WITH MAINTENANCE ON CRUSHING PLANT 85-05 INJURED SLIPPED AND FELL AGAINST A PIECE OF IRON CAUSING A PUNCTURE WOUND.

May 23, 1990 WI · Metal/Non-Metal drill operator MACHINERY
Schendel Brothers Inc · Struck by... (Not Elsewhere Classified)

ATTEMPTED TO CHECK CHAIN ON DRILL WHILE CHECKING IT THE CHAIN SHOOK BACK & FORTH HITTING FINGERS

April 18, 1990 WI · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Schendel Brothers Inc · Caught in, under or between a moving and a stationary object

WHILE LOWERING A LIGHT PLANT STAND TO FOLD IT TOGETHER,UNIT SLID PINCHING 1ST FINGER RIGHT HAND LACERATION REQ 3 STITCHES.

March 22, 1990 WI · Metal/Non-Metal brakeman, roperider, car runner, spotterman, snapper, trip rider, car rider, flagman SLIP OR FALL OF PERSON
Schendel Brothers Inc · Fall from machine

WHILE PREPARING TO GREASE THE JAWS ON CRUSHER I NAME ATTEMPTED TO SWING OUT & AROUND THE HAND RAIL TO GET BEHIND IT TO PERFORM THE GREASING HIS HAND SLIPPED FROM THE RAIL WHILE SWINGING OUT & I NAME FELL BUMPING HIS LEFT ARM & RIBS ON THE FRAME

1989 · 2 incidents

July 20, 1989 WI · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management STEPPING OR KNEELING ON OBJECT
Schendel Brothers Inc · Struck against stationary object

EMPL STEPPED ON ROCK WHILE WALKING DOWN LOADING RAMP OF BREAKER. SHARP EDGE OF ROK INJURED HEEL & ANKLE.

May 12, 1989 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Schendel Brothers Inc · Fall from machine

WHILE MEASURING SCREEN ON SCREENING PLANT CLAIMANT FELL FROM THE PLANT.

For insurers, brokers, and safety consultants

The full compliance file on Plant #32

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.