Mining Incidents

Lemont Underground Limestone Metal/Non-Metal

Controlled by Vulcan Materials Company
Romeoville, Will County, IL  ·  Active
MSHA Mine ID: 1103111

Lemont Underground Limestone has $49K in proposed MSHA penalties and $0 outstanding across 6 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Lemont Underground Limestone.

Fatalities
0
Total incidents
13
Years on record
2004–2023
Latest incident
Aug 2023
Compliance record
MSHA citations since 2003
227
citations
29
significant & substantial
$49,151
proposed penalties
$47,903
paid to date
97% of proposed penalties paid to date, a $1,248 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2003
117
inspections on record
4,372
inspection hours
5.2
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.
227 citations across 4,372 inspection hours.
Source: MSHA inspections data, updated weekly.

Lemont Underground Limestone has $49K in proposed MSHA penalties and $0 outstanding across 6 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.
$49K
proposed penalties
$48K
current assessed
$48K
paid to date
$0
outstanding
225 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2026-01-13.
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 19,662 1 0 50.9
2025 Q3 18,160 2 1 110.1
2025 Q2 22,940 1 0 43.6
2025 Q1 7,777 4 0 514.3
2024 Q4 16,250 6 1 369.2
2024 Q3 18,344 7 2 381.6
2024 Q2 17,134 9 1 525.3
2024 Q1 9,416 7 0 743.4
Show 84 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 14,917 8 2 536.3
2023 Q3 16,512 6 1 363.4
2023 Q2 17,187 7 1 407.3
2023 Q1 8,398 2 0 238.2
2022 Q4 15,877 4 0 251.9
2022 Q3 13,497 12 0 889.1
2022 Q2 12,580 6 0 476.9
2022 Q1 12,355 1 0 80.9
2021 Q4 16,349 1 0 61.2
2021 Q3 16,074 12 1 746.5
2021 Q2 12,838 0 0 0.0
2021 Q1 6,202 0 0 0.0
2020 Q4 13,032 1 1 76.7
2020 Q3 14,075 0 0 0.0
2020 Q2 11,788 0 0 0.0
2020 Q1 7,714 0 0 0.0
2019 Q4 17,466 1 0 57.3
2019 Q3 21,724 0 0 0.0
2019 Q2 15,255 0 0 0.0
2019 Q1 10,390 0 0 0.0
2018 Q4 19,410 2 0 103.0
2018 Q3 19,034 5 1 262.7
2018 Q2 16,668 1 0 60.0
2018 Q1 10,870 1 0 92.0
2017 Q4 16,219 3 1 185.0
2017 Q3 20,007 0 0 0.0
2017 Q2 16,421 1 0 60.9
2017 Q1 10,221 0 0 0.0
2016 Q4 14,856 7 1 471.2
2016 Q3 17,544 0 0 0.0
2016 Q2 16,472 0 0 0.0
2016 Q1 10,392 0 0 0.0
2015 Q4 20,371 1 0 49.1
2015 Q3 18,026 1 1 55.5
2015 Q2 16,751 2 0 119.4
2015 Q1 10,427 0 0 0.0
2014 Q4 19,686 1 0 50.8
2014 Q3 19,708 4 1 203.0
2014 Q2 14,290 1 0 70.0
2014 Q1 6,826 2 0 293.0
2013 Q4 17,008 1 0 58.8
2013 Q3 15,769 0 0 0.0
2013 Q2 13,733 1 0 72.8
2013 Q1 5,691 0 0 0.0
2012 Q4 12,496 0 0 0.0
2012 Q3 15,009 0 0 0.0
2012 Q2 15,714 7 1 445.5
2012 Q1 7,092 1 0 141.0
2011 Q4 10,794 0 0 0.0
2011 Q3 17,066 3 0 175.8
2011 Q2 17,013 4 0 235.1
2011 Q1 12,510 1 0 79.9
2010 Q4 16,628 5 1 300.7
2010 Q3 15,472 0 0 0.0
2010 Q2 16,342 0 0 0.0
2010 Q1 9,368 0 0 0.0
2009 Q4 13,851 4 1 288.8
2009 Q3 20,364 2 0 98.2
2009 Q2 18,076 7 0 387.3
2009 Q1 10,206 2 2 196.0
2008 Q4 15,684 2 0 127.5
2008 Q3 19,892 0 0 0.0
2008 Q2 16,135 0 0 0.0
2008 Q1 15,962 0 0 0.0
2007 Q4 18,291 1 0 54.7
2007 Q3 19,882 4 2 201.2
2007 Q2 19,774 6 4 303.4
2007 Q1 18,832 3 0 159.3
2006 Q4 21,417 4 0 186.8
2006 Q3 24,393 0 0 0.0
2006 Q2 20,036 1 0 49.9
2006 Q1 15,072 4 0 265.4
2005 Q4 15,574 2 1 128.4
2005 Q3 18,249 4 0 219.2
2005 Q2 15,375 1 0 65.0
2005 Q1 11,140 1 0 89.8
2004 Q4 6,936 3 0 432.5
2004 Q3 8,935 0 0 0.0
2004 Q2 13,890 0 0 0.0
2004 Q1 12,900 0 0 0.0
2003 Q4 960 3 0 3125.0
2003 Q3 1,200 6 0 5000.0
2003 Q2 1,440 4 0 2777.8
2003 Q1 1,148 7 1 6097.6
No fatalities recorded at this mine.

Reportable incidents

13 on file

2023 · 1 incident

August 1, 2023 IL · Metal/Non-Metal scoop car/scooptram operator, load/haul/dump (lhd) operator, teletram operator MACHINERY
Vulcan Construction Materials, LLC · Struck by... (Not Elsewhere Classified)

Employee was under a F-250 pick-up finishing up tightening the tab bolts for the cross-member for the transmission. While in the process, one of the tab bolts spun loose and caught the EEs palm of EE's hand.

2020 · 2 incidents

August 26, 2020 IL · Metal/Non-Metal driller operator FIRE
Vulcan Construction Materials, LLC · Contact with hot objects or substances

EE was using a torch to cut an opening in steel above EE. Either the flame from the torch or a piece of slag created an opening in the hydraulic line, which began spraying oil and caught fire. When EE turned away the flame/fire entered EE's welding shield. EE then jumped down from where they were working and caused pain in the right foot after landing.

July 24, 2020 IL · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler OTHER
Vulcan Construction Materials, LLC · Bodily reaction, (Not Elsewhere Classified)

Employee was placing guarding on the motor of 5 1/2 ft. crusher when a water line located in another part of the plant burst startling the employee and caused to seek shelter. After the employee found shelter and realized they were not in harms way, employee alleges pain in left shoulder. Sought medical care on 8/24/2020.

2018 · 1 incident

October 10, 2018 IL · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Vulcan Construction Materials, LLC · Fall onto or against objects

On 10/10/18 at approximately 1130 am the operator was operating the bolter in 16N22. Installing 8 foot roof bolts from the basket of the roof bolter. While inserting the 7th bolt, the lift cylinder bottom mounting pin boss had a structural failure causing the boom and basket assembly to fall approximately 18 feet, to the ground. The employee sustained multiple injuries.

2015 · 2 incidents

August 18, 2015 IL · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey FALL OF ROOF OR BACK
Vulcan Construction Materials, LLC · Struck by falling object

Employee was loading holes at the face (1st level -9N21C) of the underground when a sharp rock struck the employee's right forearm resulting in a puncture wound that required 4 stitches. Employee was released to return to work with restrictions.

January 16, 2015 IL · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Vulcan Construction Materials, LLC · Fall to the walkway or working surface

An employee exiting her office through a door stepped on a patch of ice which caused the employee to slip and fall to the floor. The employee was diagnosed with a possible left shoulder strain.

2012 · 1 incident

September 19, 2012 IL · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Vulcan Construction Materials, LLC · Over-exertion in pulling or pushing objects

Employee was working on the deflector plate inside the U5 Discharge Chute, when the employee experienced pain in the right shoulder. On September 27th, the employee requested to see a physician. MRI revealed Tendonitis of supraspinatus & infraspinatus tendon as well as mild degenerative changes to AC joint. Employee was given PT and no lifting restriction.

2010 · 1 incident

August 31, 2010 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Vulcan Construction Materials, LLC · Over-exertion (Not Elsewhere Classified)

This is a repetitive motion carpal tunnel disorder of the left wrist.

2008 · 1 incident

December 17, 2008 IL · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss SLIP OR FALL OF PERSON
Vulcan Construction Materials, LLC · Fall to the walkway or working surface

A miner slipped on snow, spraining the right knee. He finished the shift and worked the next shift, the 2008 workforce layoff date. After recall on 3/9/09, the miner performed regular duties, but discomfort / swelling continued. On 10/13/09, a doctor recommended surgery. The miner chose to work until 12/3/09. The surgery date was 12/4/09, the 2009 workforce layoff date.

2005 · 3 incidents

July 8, 2005 IL · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler HANDTOOLS (NONPOWERED)
Vulcan Construction Materials, LLC · Struck by flying object

Employee was in the process of repairing a feeder breaker with a broken flight chain. In the process a flight was jammed. The employee used a sledge hammer to beat on it trying to free it. When he struck the flight with the hammer, a sliver of metal came off the flight and penetrated two inches into his right leg. The sliver had to be surgically removed.

April 26, 2005 IL · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler MACHINERY
Vulcan Construction Materials, LLC · Struck by... (Not Elsewhere Classified)

While installing a hammer in the UG feeder breaker, the hammer struck his left foot causing a contusion.

2004 · 1 incident

July 16, 2004 IL · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
Vulcan Construction Materials, LLC · Fall from machine

Employee was exiting his truck at the end of his shift. He slipped while he was exiting and twisted and fractured his ankle. The case was under investigation until August 24, 2004 when it was deemed to be a work related injury.

For insurers, brokers, and safety consultants

The full compliance file on Lemont Underground Limestone

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.