Mining Incidents

Amrize Conco Western Stone Metal/Non-Metal

Amrize Mid-America Inc. · Underground
Controlled by Amrize Ltd
North Aurora, Kane County, IL  ·  Active
MSHA Mine ID: 1102931

Amrize Conco Western Stone has $206K in proposed MSHA penalties and $534 outstanding across 11 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
24
Years on record
1992–2022
Latest incident
Dec 2022
Compliance record
MSHA citations since 2000
550
citations
102
significant & substantial
$205,656
proposed penalties
$187,320
paid to date
91% of proposed penalties paid to date, a $18,336 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
176
inspections on record
6,976
inspection hours
7.9
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.
550 citations across 6,976 inspection hours.
Source: MSHA inspections data, updated weekly.

Amrize Conco Western Stone has $206K in proposed MSHA penalties and $534 outstanding across 11 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.
$206K
proposed penalties
$188K
current assessed
$187K
paid to date
$534
outstanding
544 assessments are final orders; 11 contested dockets.
As of the most recent assessment on 2026-04-21.
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 19,847 6 0 302.3
2025 Q3 21,604 8 3 370.3
2025 Q2 23,104 7 2 303.0
2025 Q1 20,685 1 0 48.3
2024 Q4 20,377 2 0 98.1
2024 Q3 22,203 3 0 135.1
2024 Q2 22,051 1 0 45.3
2024 Q1 18,394 4 0 217.5
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 21,305 13 2 610.2
2023 Q3 24,388 3 0 123.0
2023 Q2 23,136 3 0 129.7
2023 Q1 16,529 15 1 907.5
2022 Q4 21,007 8 2 380.8
2022 Q3 19,839 8 2 403.2
2022 Q2 17,572 2 0 113.8
2022 Q1 18,903 5 1 264.5
2021 Q4 20,937 21 3 1003.0
2021 Q3 22,489 6 0 266.8
2021 Q2 24,262 9 4 371.0
2021 Q1 16,439 5 2 304.2
2020 Q4 17,695 12 4 678.2
2020 Q3 22,215 23 11 1035.3
2020 Q2 22,661 6 0 264.8
2020 Q1 18,360 13 3 708.1
2019 Q4 23,557 8 0 339.6
2019 Q3 23,948 14 2 584.6
2019 Q2 22,083 13 0 588.7
2019 Q1 19,832 30 4 1512.7
2018 Q4 17,796 9 2 505.7
2018 Q3 18,660 5 0 268.0
2018 Q2 19,639 9 1 458.3
2018 Q1 16,721 7 1 418.6
2017 Q4 17,840 16 2 896.9
2017 Q3 25,422 9 2 354.0
2017 Q2 21,271 5 1 235.1
2017 Q1 17,459 2 1 114.6
2016 Q4 16,916 2 0 118.2
2016 Q3 20,312 7 0 344.6
2016 Q2 14,742 3 1 203.5
2016 Q1 14,742 2 0 135.7
2015 Q4 18,280 5 0 273.5
2015 Q3 19,117 20 6 1046.2
2015 Q2 16,980 6 2 353.4
2015 Q1 13,810 4 0 289.6
2014 Q4 17,990 4 1 222.3
2014 Q3 20,562 1 0 48.6
2014 Q2 17,328 2 0 115.4
2014 Q1 12,940 1 0 77.3
2013 Q4 15,662 3 1 191.5
2013 Q3 16,632 10 2 601.3
2013 Q2 13,384 6 1 448.3
2013 Q1 11,820 7 1 592.2
2012 Q4 11,638 6 0 515.6
2012 Q3 12,725 3 0 235.8
2012 Q2 13,198 5 0 378.8
2012 Q1 12,547 9 5 717.3
2011 Q4 12,547 9 1 717.3
2011 Q3 14,957 0 0 0.0
2011 Q2 13,139 2 0 152.2
2011 Q1 13,175 1 0 75.9
2010 Q4 13,148 2 1 152.1
2010 Q3 14,710 2 1 136.0
2010 Q2 13,381 1 0 74.7
2010 Q1 9,980 10 0 1002.0
2009 Q4 4,472 7 3 1565.3
2009 Q3 14,494 5 3 345.0
2009 Q2 14,254 7 1 491.1
2009 Q1 10,413 1 0 96.0
2008 Q4 12,896 1 1 77.5
2008 Q3 16,308 1 1 61.3
2008 Q2 14,593 0 0 0.0
2008 Q1 13,358 0 0 0.0
2007 Q4 16,353 3 2 183.5
2007 Q3 17,041 1 0 58.7
2007 Q2 16,815 0 0 0.0
2007 Q1 13,663 7 2 512.3
2006 Q4 14,693 2 0 136.1
2006 Q3 16,313 1 0 61.3
2006 Q2 17,818 3 0 168.4
2006 Q1 16,001 1 1 62.5
2005 Q4 15,330 3 1 195.7
2005 Q3 15,483 3 0 193.8
2005 Q2 16,365 0 0 0.0
2005 Q1 14,035 1 0 71.3
2004 Q4 15,438 0 0 0.0
2004 Q3 15,633 2 1 127.9
2004 Q2 14,499 0 0 0.0
2004 Q1 15,108 0 0 0.0
2003 Q4 15,510 6 2 386.8
2003 Q3 14,332 3 0 209.3
2003 Q2 14,689 6 1 408.5
2003 Q1 14,151 2 0 141.3
2002 Q4 12,509 2 0 159.9
2002 Q3 14,379 3 0 208.6
2002 Q2 14,409 1 0 69.4
2002 Q1 14,604 4 1 273.9
2001 Q4 15,077 2 0 132.7
2001 Q3 14,443 3 0 207.7
2001 Q2 13,227 14 3 1058.4
2001 Q1 13,422 3 0 223.5
2000 Q4 14,571 1 0 68.6
2000 Q3 9,069 0 0 0.0
2000 Q2 9,861 3 0 304.2
2000 Q1 10,720 1 0 93.3
No fatalities recorded at this mine.

Reportable incidents

24 on file

2022 · 3 incidents

December 14, 2022 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Amrize Mid-America Inc. · Caught in, under or between a moving and a stationary object

An employee was returning a troughing idler into position when it slipped off of the inside of the framework and pinched EE's left thumb in between the idler and the conveyor frame. The employee was taken to the clinic for evaluation where EE was placed on modified duty and given a prescription antibiotic.

October 24, 2022 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Amrize Mid-America Inc. · Over-exertion (Not Elsewhere Classified)

An employee was dismounting a front end loader when the employee mistook the second from bottom step, for the bottom step. This resulted in a larger than expected step. When the employee stepped down the force from the large step caused a pop in the left knee. After visiting the ER, it was discovered that the employee had broken the tibia.

August 26, 2022 IL · Metal/Non-Metal FALL OF ROOF OR BACK
Amrize Mid-America Inc. · Accident type, without injuries

Around 13:00 a blaster was traveling main haul road and noticed, in a mined out room section of the back had fallen. They immediately reported the situation to the supervisor who went to assess scene with the Plant Manager and Leadman. The area was immediately bermed off and MSHA IR criteria was reviewed. A decision was made it was not immediately reportable. MSHA disagreed.

2017 · 1 incident

October 20, 2017 IL · Metal/Non-Metal scoop tram operator, load/haul/dump operator POWERED HAULAGE
Amrize Mid-America Inc. · Struck against a moving object

Haul Truck Driver misjudged width of entry approaching primary crusher and ran over a concrete block at approximately 5 mph. The truck jostled when it came down off the block causing the driver to strike their head on the window and dislocate the shoulder.

2015 · 1 incident

February 5, 2015 IL · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler HANDLING OF MATERIALS
Amrize Mid-America Inc. · Caught in, under or between a moving and a stationary object

An employee pinched his index finger on the wheel of a gate valve between the wheel and the valve flange. This resulted in a fracture to the tip of his index finger and two sutures.

2014 · 1 incident

April 14, 2014 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Amrize Mid-America Inc. · Over-exertion in lifting objects

4/14/2014 employee was installing a wear plate under a VSI crusher he felt a pop in his right shoulder. Employee was able to continue normal duties, with restrictions. Doctor ordered a MRI, and the employee sustained a rotator cuff tear. July 2,2014, employee had surgery. July 7,2014, doctor would not release him back to work until he saw the employee July 10, 2014,hence the LTI.

2010 · 2 incidents

September 8, 2010 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Amrize Mid-America Inc. · Struck by falling object

While closing a steel door, it fell onto his right foot. He was seen at Mercy Occupational Health and x-rays were taken revealing fractures of the 4th and 5th toes. He was placed in a soft cast brace and instructed in modified duty.

August 12, 2010 IL · Metal/Non-Metal drill operator STEPPING OR KNEELING ON OBJECT
Amrize Mid-America Inc. · Struck against stationary object

While stepping out of drill, stepped on on a rock that measured 5-6 inches in diameter. Fell down and hurt left ankle. He heard his ankle pop. He was seen at the clinic and treated with an air cast support and modified duty work.

2002 · 1 incident

March 16, 2002 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Lafarge Conco Western Inc · Fall from machine

INJURED WAS EXITING THE TRACK MOUNTED SCALING MACHINE. HE JUMPED OFF THE TOP OF THE TRACKS TO THE CONCRETE SHOP FLOOR DAMAGING HIS ANKLE.

2001 · 2 incidents

February 13, 2001 IL · Metal/Non-Metal driller operator HANDLING OF MATERIALS
Lafarge Conco Western Inc · Struck by... (Not Elsewhere Classified)

OPERATING ENGINEER WAS PUTTING A 10 FT ROUND STEEL IN RACK OF LM401 HYDRAULIC DRILL AND FELL BACKWARD WITH STEEL STRIKING HIS LEFT FEMUR BONE ON HIS LEG CAUSING A LARGE ABRASION WITH SOME SWEL LING AND ERTHEMA TO THE LEFT UPPER FEMUR AREA. HE WAS ACCOMPANIED TO PROVENA MERCY CENTER IN AURORA, IL WHERE HE WAS X-RAYED AND GIVEN CRUTCHES TO KEEP HIS FULL WEIGHT OFF HIS LEFT LEG.

January 24, 2001 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Lafarge Conco Western Inc · Struck by falling object

TWO MEN WERE CHANGING CRUSHER LINERS. A PLATE BEING FASTENED INTO POSITION SLIPPED AND FELL ON INJURED'S RIGHT FOOT, BREAKING THE 4TH TOE.

1999 · 2 incidents

July 26, 1999 IL · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management POWERED HAULAGE
Lafarge Conco Western Inc · Struck against a moving object

1994 FORD P/U TRUCK WENT OVER THE EDGE WITH OPERATING ENGINEER IN IT. OPERATING ENGINEER WAS TAKEN BY ANOTHER LUDWIG EE TO PROVENA MERCY CENTER, OCCUPATIONAL HEALTH SERVICE 1325 N. HIGHLAND AV E, AURORA IL 60506. OPERATING ENGINEER HAD A FEWSCRATCHES ON HIS HANDS. HE WAS RELEASED TO RETURN TO WORK.

March 11, 1999 IL · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Lafarge Conco Western Inc · Struck by flying object

INJ WAS LOOSENING HYDRAULIC OIL FILLER PIPE CAP NOT REALIZING IT WAS UNDER PRESSURE. CAP BLEW OFF & HIT INJ IN THE FACE

1997 · 1 incident

October 27, 1997 IL · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey FALL OF ROOF OR BACK
Lafarge Conco Western Inc · Struck by falling object

STONE FELL ON WORKER'S L SHOULDER @ 1PM. HE HAD PARAKED EXPLOSIVE TRUCK & WAS IN THE PROCESS OF WALKING TO FELLOW WORKER [DRILLING IN LM401IR HYDRAULIC DRILL]. HE PHONED IN INJURY AT 3PM AFTER SHOULDER BEGAN TO SWELL & HURT. HE DID TELL FELLOW WORKER WHEN HE GOT TO DRILL THAT HE HAD JUST BEEN HIT BY FALLING [1] STONE. MINE PERSONNEL TOOK HIM TO HOSPITAL ER & LUDWIG EXPLOSIVES PERSO

1996 · 3 incidents

July 30, 1996 IL · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Lafarge Conco Western Inc · Struck by falling object

CONDITIONS CONTRIBUTING WERE ONE MAN'S HANDS SLIPPING OFF THE PIPE THEY WERE HOLDING. THE DAMAGE DONE WAS A SEVERE BRUISE TO LEFT TOP FOOT.

July 23, 1996 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Lafarge Conco Western Inc · Struck by... (Not Elsewhere Classified)

EE WAS USING A UTILITY KNIFE TO CUT A PLASTIC BARREL. HE WAS CUTTING TOWARDS HIMSELF WHEN THE KNIFE PULLED OUT OF THE BARREL AND CUT INTO HIS LEG. UPPER LEFT THIGH.

February 9, 1996 IL · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Lafarge Conco Western Inc · Fall to the walkway or working surface

EE SLIPPED WHILE ATTEMPTING TO OPEN CHUTE DOOR.

1995 · 1 incident

August 2, 1995 IL · Metal/Non-Metal driller operator HANDTOOLS (NONPOWERED)
Lafarge Conco Western Inc · Caught in, under or between (Not Elsewhere Classified)

INJURED WAS SLIPPING A DRIVE BELT OVER A PULLEY, SUSPENDED WITH A SPUD WRENCH, BY A CO-W0RKER. WHEN INJURED USED HIS FINGERS TO SLIP THE BELT OVER THE SPUD WRENCH, IT SLIPPED CAUSING THE SPRIN G LOADED IDLER PULLEY TO DROP ON THE INJURED'S FINGER, PINCHING IT AGAINST A NEARBY SENSOR HOUSING.

1994 · 2 incidents

February 1, 1994 IL · Metal/Non-Metal continuous miner operator, coal mole operator MACHINERY
Lafarge Conco Western Inc · Struck by falling object

INJURED WAS IN ROOF BOLTER BASKET INSTALLING A SPLIT SET LOOSE ROCK SPALLED OFF ROOF & HIT INJURED ALLEGED ACCIDENT

1993 · 3 incidents

December 15, 1993 IL · Metal/Non-Metal mine manager, mine foreman, mine owner OTHER
Lafarge Conco Western Inc · Struck by flying object

AIRBORNE DIRT FLEW INTO EYE.

July 12, 1993 IL · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Lafarge Conco Western Inc · Struck by falling object

ROOF BOLTER'S DRILL IS UNDERGOING REPAIR. BOLTHOES & BOLT INSTALLATION WAS DONE WITH A JACKLEG WITH THE OPERATOR CLOSE BY. ROOF WAS SCALED BY; HAMMER & HAND, YET ROCKFALL OCCURED DURING HOLE DRILLING. PIECE FELL ON INJURED'S SHOULDER CAUSING SEPARATION, CONTUSION AND ABRASION.

February 9, 1993 IL · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Lafarge Conco Western Inc · Over-exertion (Not Elsewhere Classified)

WHEN DRILLING BOLT HOLE IN THE BACK.

1992 · 1 incident

October 10, 1992 IL · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss MACHINERY
Lafarge Conco Western Inc · Struck by falling object

MINER WAS BENT DOWN KNOCKING A BIT OFF A PLUGGED DRILL STEEL, WHEN A ROCK ROLLED OUT OF EXISTING SUPPORT WIRE (WWF) STRIKING HIM IN THE HEAD.

For insurers, brokers, and safety consultants

The full compliance file on Amrize Conco Western Stone

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.