Mining Incidents

DEFIANCE QUARRY Metal/Non-Metal

BMC Stone, LLC · Surface
Controlled by BMC Enterprises Inc
Defiance, St Charles County, MO  ·  Active
MSHA Mine ID: 2300043

DEFIANCE QUARRY has $30K in proposed MSHA penalties and $5K outstanding across 0 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at DEFIANCE QUARRY.

Fatalities
0
Total incidents
15
Years on record
1987–2020
Latest incident
Jan 2020
Compliance record
MSHA citations since 2003
120
citations
21
significant & substantial
$29,818
proposed penalties
$24,997
paid to date
84% of proposed penalties paid to date, a $4,821 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
68
inspections on record
1,205
inspection hours
10.0
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.
120 citations across 1,205 inspection hours.
Source: MSHA inspections data, updated weekly.

DEFIANCE QUARRY has $30K in proposed MSHA penalties and $5K 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.
$30K
proposed penalties
$30K
current assessed
$25K
paid to date
$5K
outstanding
110 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-07.
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 8,540 11 3 1288.1
2025 Q3 9,066 0 0 0.0
2025 Q2 7,895 17 5 2153.3
2025 Q1 7,058 0 0 0.0
2024 Q4 7,698 2 0 259.8
2024 Q3 7,566 0 0 0.0
2024 Q2 7,510 2 0 266.3
2024 Q1 7,400 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 6,702 3 0 447.6
2023 Q3 6,080 5 0 822.4
2023 Q2 7,176 0 0 0.0
2023 Q1 7,288 0 0 0.0
2022 Q4 7,431 2 0 269.1
2022 Q3 7,764 0 0 0.0
2022 Q2 7,754 0 0 0.0
2022 Q1 7,427 0 0 0.0
2021 Q4 7,720 2 0 259.1
2021 Q3 7,297 0 0 0.0
2021 Q2 7,339 0 0 0.0
2021 Q1 6,178 2 1 323.7
2020 Q4 7,301 0 0 0.0
2020 Q3 8,168 0 0 0.0
2020 Q2 8,145 3 0 368.3
2020 Q1 8,491 0 0 0.0
2019 Q4 8,358 2 0 239.3
2019 Q3 8,865 8 2 902.4
2019 Q2 9,280 0 0 0.0
2019 Q1 8,675 6 1 691.6
2018 Q4 8,114 0 0 0.0
2018 Q3 8,189 0 0 0.0
2018 Q2 7,936 0 0 0.0
2018 Q1 7,583 1 0 131.9
2017 Q4 7,067 2 0 283.0
2017 Q3 7,605 0 0 0.0
2017 Q2 7,414 3 2 404.6
2017 Q1 7,214 0 0 0.0
2016 Q4 6,292 1 0 158.9
2016 Q3 6,585 1 0 151.9
2016 Q2 5,797 2 0 345.0
2016 Q1 5,439 0 0 0.0
2015 Q4 7,124 1 0 140.4
2015 Q3 5,401 0 0 0.0
2015 Q2 4,916 3 0 610.3
2015 Q1 4,070 0 0 0.0
2014 Q4 4,555 2 0 439.1
2014 Q3 5,541 0 0 0.0
2014 Q2 6,224 0 0 0.0
2014 Q1 5,582 0 0 0.0
2013 Q4 5,529 1 0 180.9
2013 Q3 6,800 0 0 0.0
2013 Q2 7,176 1 0 139.4
2013 Q1 5,126 0 0 0.0
2012 Q4 5,184 2 0 385.8
2012 Q3 5,401 0 0 0.0
2012 Q2 4,771 1 0 209.6
2012 Q1 4,856 0 0 0.0
2011 Q4 3,815 4 1 1048.5
2011 Q3 4,081 0 0 0.0
2011 Q2 3,679 2 0 543.6
2011 Q1 3,359 0 0 0.0
2010 Q4 4,673 1 0 214.0
2010 Q3 6,024 0 0 0.0
2010 Q2 5,247 3 1 571.8
2010 Q1 1,383 0 0 0.0
2009 Q4 3,842 3 1 780.8
2009 Q3 4,003 0 0 0.0
2009 Q2 4,553 2 0 439.3
2009 Q1 3,647 0 0 0.0
2008 Q4 4,672 1 1 214.0
2008 Q3 4,439 0 0 0.0
2008 Q2 5,025 2 0 398.0
2008 Q1 4,308 0 0 0.0
2007 Q4 4,374 1 0 228.6
2007 Q3 5,565 2 0 359.4
2007 Q2 6,143 0 0 0.0
2007 Q1 5,820 1 1 171.8
2006 Q4 5,156 0 0 0.0
2006 Q3 7,553 0 0 0.0
2006 Q2 8,250 0 0 0.0
2006 Q1 8,655 0 0 0.0
2005 Q4 7,678 0 0 0.0
2005 Q3 9,240 0 0 0.0
2005 Q2 9,652 0 0 0.0
2005 Q1 8,555 0 0 0.0
2004 Q4 3,049 0 0 0.0
2004 Q3 6,857 0 0 0.0
2004 Q2 7,154 1 0 139.8
2004 Q1 6,656 0 0 0.0
2003 Q4 5,815 1 0 172.0
2003 Q3 5,835 0 0 0.0
2003 Q2 6,441 0 0 0.0
2003 Q1 6,630 1 1 150.8
2002 Q4 5,684 0 0 0.0
2002 Q3 8,896 0 0 0.0
2002 Q2 9,342 0 0 0.0
2002 Q1 8,291 0 0 0.0
2001 Q4 4,731 0 0 0.0
2001 Q3 4,531 0 0 0.0
2001 Q2 5,206 0 0 0.0
2001 Q1 5,237 0 0 0.0
2000 Q4 4,837 0 0 0.0
2000 Q3 5,147 0 0 0.0
2000 Q2 6,437 0 0 0.0
2000 Q1 4,749 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

15 on file

2020 · 1 incident

January 4, 2020 MO · Metal/Non-Metal dry screening plant operator, screen house operator HANDLING OF MATERIALS
BMC Stone, LLC · Fall onto or against objects

Employee was helping string a conveyor belt. When pulling slack out of the roll with a rope, the knot secruring it came loose, causing them to fall onto a steel beam. Employee has a small fracture to the ninth rib.

2015 · 1 incident

May 1, 2015 MO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
BMC Stone, LLC · Fall to the walkway or working surface

Employee was walking around a skid steer and tripped over the corner of the bucket, causing him to fall to the ground. Employee requested to be seen by physician for leg pain. Employee was seen by a doctor for pain to his upper left leg. Physician determined there was no broken bone and restricted employee to limited walking. Employee was released to full duty on 5/4.

2007 · 1 incident

2006 · 2 incidents

August 4, 2006 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Lafarge North America Inc · Fall onto or against objects

Climbing a ladder, slipped and fell, striking a 2x4 piece of wood. Stitches

July 3, 2006 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Lafarge North America Inc · Fall onto or against objects

Pulling screens, rope broke, he fell against a hand rail.

2004 · 1 incident

September 7, 2004 MO · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
Lafarge North America Inc · Over-exertion (Not Elsewhere Classified)

EE STRAINED BACK WHILE PULLING HOSE FOR REPUMP TRUCK & CARRYING BUCKETS OF STEMMING.

2002 · 1 incident

January 10, 2002 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Lafarge North America Inc · Over-exertion in wielding or throwing objects

MINER ALLEGES HE SUSTAINED WORK-RELATED INJURY (CLEARING A ROCK OUT OF THE FEEDER...THREW ROCK WEIGHING 85/100 LBS.) POSSIBLE HERNIA. MINER DIDNOT REPORT INCIDENT FOR 5 OR 8 DAYS TO MANAGEMEN T PERSONNEL AND WAS TREATED BY HIS FAMILY PHYSICIAN (UNAUTHORIZED TREATMENT). MINER SIGNED OFF ON REPORTING PROCEDURE AT ORIENTATION RECEIVED UPON HIRE.

1998 · 1 incident

February 11, 1998 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Lafarge Construction Materials · Struck by falling object

EMPLOYEE WAS WORKING ANOTHER EMPLOYEE CUTTING THE BOLTS OFF THE CUTTING EDGE OF A FRONT-END LOADER TO REMOVE IT. THE BUCKET WAS ABOUT 2-3 FEET OFF THE GROUND. EMPLOYEE STATED HE DID NOT REALIZ E HE WAS CUTTING TEH LAST BOLT, AND WHEN HE DID THE BUCKET FELL ON HIS FOOT. EMPLOYEE SUSTAINED A LACERATION OF HIS FOOT AND A SMALL FRACTURE OF EVERY TOE.

1994 · 1 incident

March 3, 1994 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Lafarge Construction Materials · Over-exertion (Not Elsewhere Classified)

EMPLOYEE SUFFERED A STRAINED RT ARM ALSO NECK AREA WHILE PERFORMING GENERAL MAINTENANCE IN THE SHOP HE ORIGINALLY WENT FOR FIRST AID TREATMENT ON 03-03-94 BUT THE TREATMENT WAS UNSUCCESSFUL & HE RETURNED ON 03-17-94 FOR FOLLOWUP TREATMENT WHICH WAS EVENTUALLY INCLUDE PHYSICAL THERAPY

1990 · 3 incidents

May 12, 1990 MO · Metal/Non-Metal drill operator HANDTOOLS (NONPOWERED)
Lafarge Construction Materials · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS USING ROCK DRILL WHEN GUARD SLIPPED OUT WHILE AT TEMPTING TO PUT GUARD BACK THE SPECIAL TOOL (WRENCH) SLIPPED OFF & GUARD STRUCK EMPLOYEES FOOT & THEN PINNED IT AGAINST THE DRILL

April 9, 1990 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Lafarge Construction Materials · Fall from machine

EMPLOYEE HAD CLIMBED INTO VEHICLE (TRUCK) TO RETRIEVE HARD-HAT AND WAS STEPPING DOWN OFF TRUCK WHEN HIS FOOT SLIPPED ON STEP. EMPLOYEE FELL BACKWARD TO GROUND. EMPLOYEE'S BACK, ELBOW AND HEAD STRUCK GROUND.

1989 · 2 incidents

November 20, 1989 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator EXPLOSIVES AND BREAKING AGENTS
Lafarge Construction Materials · Fall from machine

FLYROCK FROM A PRODUCTION BLAST TRAVELED APPROX. 1/4 MILE INTO QUARRY MAINTENANCE AREA WHERE EMPLOYEE WAS SITTING IN A 980 HIGHLIFT. EMPLOYEE SAW DEBRIS APPROACHING AND JUMPED OFF SECOND STEP OF HIGHLIFT FRACTURING HIS ANKLE.

August 22, 1989 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Lafarge Construction Materials · Struck by falling object

EE WAS ATTEMPTING TO DISLODGE BOULDER FROM CRUSHER UNDER A CONTROLLED PROCEDURE. ONCE THE LARGE BOULDER WAS RELEASED EE WAS LOOSENING CHAIN USED FOR PROCEDURE WHEN A SMALLER ROCK FELL ON HIS F OREARM.

1987 · 1 incident

October 15, 1987 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Lafarge Construction Materials · Struck by falling object

THE EMPLOYEE WA8 USING A PORTABLE SANDBLASTER TO SANDBLAST AN OLD FUEL STORAGE TANK. HE HAD JUST FINISHED LOADING THE SANDBLASTER WITH SAND WHEN THE SANDBLASTER, WHICH WAS ON A SLIGHT INCLINE, BECAME TOP-HEA5Y AND STARTED TO TOPPLE OVER. THE EMPLOYEE WAS IN THE LINE OF THE FALLING SANDBLASTER AND MADE AN EFFORT TO PUSH THE MACHINE IN ANOTHER DIRECTION, BUT IT FELL ON HIM. THE EMPLO

For insurers, brokers, and safety consultants

The full compliance file on DEFIANCE QUARRY

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.