Mercer Stone Company · Struck against a moving object
While pushing snow/dirt employee backed off a 17-foot wall in D8T CAT Dozer. Employee was removed from dozer and attended to until EMS arrived.
Mercer Stone Company Metal/Non-Metal
Mercer Stone Company
· Surface
Controlled by
Mark Mathis
Harrodsburg, KY,
Mercer County,
KY
·
Active
MSHA Mine ID: 1500067
Mercer Stone Company has $20K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 13
- Years on record
- 1983–2025
- Latest incident
- Jan 2025
Compliance record
MSHA citations since 2000
118
citations
35
significant & substantial
$19,751
proposed penalties
$19,751
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
79
inspections on record
1,637
inspection hours
7.2
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.118 citations across 1,637 inspection hours.
Source: MSHA inspections data, updated weekly.
Mercer Stone Company has $20K in proposed MSHA penalties and $0 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.$20K
proposed penalties
$20K
current assessed
$20K
paid to date
$0
outstanding
116 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-10-14.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 4,884 | 1 | 0 | 204.8 |
| 2025 Q3 | 6,865 | 0 | 0 | 0.0 |
| 2025 Q2 | 7,462 | 1 | 0 | 134.0 |
| 2025 Q1 | 5,669 | 4 | 2 | 705.6 |
| 2024 Q4 | 6,596 | 0 | 0 | 0.0 |
| 2024 Q3 | 6,502 | 1 | 0 | 153.8 |
| 2024 Q2 | 6,665 | 0 | 0 | 0.0 |
| 2024 Q1 | 6,427 | 0 | 0 | 0.0 |
Show 96 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 7,171 | 1 | 0 | 139.5 |
| 2023 Q3 | 6,937 | 0 | 0 | 0.0 |
| 2023 Q2 | 6,973 | 7 | 4 | 1003.9 |
| 2023 Q1 | 6,816 | 1 | 0 | 146.7 |
| 2022 Q4 | 6,480 | 0 | 0 | 0.0 |
| 2022 Q3 | 6,506 | 1 | 1 | 153.7 |
| 2022 Q2 | 6,693 | 0 | 0 | 0.0 |
| 2022 Q1 | 6,462 | 0 | 0 | 0.0 |
| 2021 Q4 | 6,411 | 0 | 0 | 0.0 |
| 2021 Q3 | 6,853 | 0 | 0 | 0.0 |
| 2021 Q2 | 7,157 | 0 | 0 | 0.0 |
| 2021 Q1 | 6,538 | 0 | 0 | 0.0 |
| 2020 Q4 | 8,150 | 0 | 0 | 0.0 |
| 2020 Q3 | 7,348 | 0 | 0 | 0.0 |
| 2020 Q2 | 7,053 | 1 | 1 | 141.8 |
| 2020 Q1 | 7,214 | 0 | 0 | 0.0 |
| 2019 Q4 | 7,470 | 2 | 1 | 267.7 |
| 2019 Q3 | 7,965 | 3 | 0 | 376.6 |
| 2019 Q2 | 7,898 | 0 | 0 | 0.0 |
| 2019 Q1 | 7,488 | 1 | 0 | 133.5 |
| 2018 Q4 | 7,958 | 0 | 0 | 0.0 |
| 2018 Q3 | 8,299 | 1 | 0 | 120.5 |
| 2018 Q2 | 8,070 | 0 | 0 | 0.0 |
| 2018 Q1 | 8,286 | 2 | 0 | 241.4 |
| 2017 Q4 | 8,381 | 0 | 0 | 0.0 |
| 2017 Q3 | 8,903 | 0 | 0 | 0.0 |
| 2017 Q2 | 8,418 | 0 | 0 | 0.0 |
| 2017 Q1 | 8,209 | 2 | 0 | 243.6 |
| 2016 Q4 | 8,347 | 0 | 0 | 0.0 |
| 2016 Q3 | 8,647 | 0 | 0 | 0.0 |
| 2016 Q2 | 8,860 | 2 | 0 | 225.7 |
| 2016 Q1 | 8,447 | 0 | 0 | 0.0 |
| 2015 Q4 | 8,240 | 0 | 0 | 0.0 |
| 2015 Q3 | 8,942 | 2 | 0 | 223.7 |
| 2015 Q2 | 8,533 | 0 | 0 | 0.0 |
| 2015 Q1 | 7,102 | 0 | 0 | 0.0 |
| 2014 Q4 | 8,110 | 2 | 2 | 246.6 |
| 2014 Q3 | 8,351 | 2 | 2 | 239.5 |
| 2014 Q2 | 8,267 | 0 | 0 | 0.0 |
| 2014 Q1 | 6,183 | 0 | 0 | 0.0 |
| 2013 Q4 | 8,015 | 1 | 0 | 124.8 |
| 2013 Q3 | 8,441 | 1 | 0 | 118.5 |
| 2013 Q2 | 8,202 | 0 | 0 | 0.0 |
| 2013 Q1 | 6,110 | 2 | 0 | 327.3 |
| 2012 Q4 | 7,840 | 0 | 0 | 0.0 |
| 2012 Q3 | 7,999 | 3 | 0 | 375.0 |
| 2012 Q2 | 7,509 | 0 | 0 | 0.0 |
| 2012 Q1 | 8,002 | 10 | 5 | 1249.7 |
| 2011 Q4 | 8,931 | 0 | 0 | 0.0 |
| 2011 Q3 | 8,991 | 5 | 1 | 556.1 |
| 2011 Q2 | 8,088 | 0 | 0 | 0.0 |
| 2011 Q1 | 7,662 | 4 | 1 | 522.1 |
| 2010 Q4 | 8,557 | 0 | 0 | 0.0 |
| 2010 Q3 | 9,183 | 0 | 0 | 0.0 |
| 2010 Q2 | 9,209 | 3 | 1 | 325.8 |
| 2010 Q1 | 6,393 | 9 | 3 | 1407.8 |
| 2009 Q4 | 9,463 | 0 | 0 | 0.0 |
| 2009 Q3 | 13,884 | 2 | 1 | 144.1 |
| 2009 Q2 | 13,398 | 0 | 0 | 0.0 |
| 2009 Q1 | 9,497 | 0 | 0 | 0.0 |
| 2008 Q4 | 9,392 | 1 | 0 | 106.5 |
| 2008 Q3 | 9,644 | 1 | 0 | 103.7 |
| 2008 Q2 | 9,378 | 0 | 0 | 0.0 |
| 2008 Q1 | 7,254 | 0 | 0 | 0.0 |
| 2007 Q4 | 9,762 | 5 | 0 | 512.2 |
| 2007 Q3 | 9,687 | 0 | 0 | 0.0 |
| 2007 Q2 | 10,104 | 4 | 2 | 395.9 |
| 2007 Q1 | 7,687 | 0 | 0 | 0.0 |
| 2006 Q4 | 9,438 | 3 | 2 | 317.9 |
| 2006 Q3 | 9,865 | 1 | 0 | 101.4 |
| 2006 Q2 | 9,326 | 0 | 0 | 0.0 |
| 2006 Q1 | 8,380 | 0 | 0 | 0.0 |
| 2005 Q4 | 8,692 | 0 | 0 | 0.0 |
| 2005 Q3 | 9,228 | 0 | 0 | 0.0 |
| 2005 Q2 | 8,857 | 1 | 0 | 112.9 |
| 2005 Q1 | 4,499 | 3 | 0 | 666.8 |
| 2004 Q4 | 6,487 | 0 | 0 | 0.0 |
| 2004 Q3 | 7,948 | 0 | 0 | 0.0 |
| 2004 Q2 | 7,696 | 1 | 0 | 129.9 |
| 2004 Q1 | 7,516 | 0 | 0 | 0.0 |
| 2003 Q4 | 8,293 | 2 | 0 | 241.2 |
| 2003 Q3 | 8,149 | 0 | 0 | 0.0 |
| 2003 Q2 | 7,873 | 0 | 0 | 0.0 |
| 2003 Q1 | 6,866 | 0 | 0 | 0.0 |
| 2002 Q4 | 7,462 | 6 | 4 | 804.1 |
| 2002 Q3 | 8,140 | 0 | 0 | 0.0 |
| 2002 Q2 | 8,602 | 2 | 0 | 232.5 |
| 2002 Q1 | 6,375 | 0 | 0 | 0.0 |
| 2001 Q4 | 8,206 | 0 | 0 | 0.0 |
| 2001 Q3 | 8,515 | 0 | 0 | 0.0 |
| 2001 Q2 | 8,529 | 3 | 0 | 351.7 |
| 2001 Q1 | 5,914 | 0 | 0 | 0.0 |
| 2000 Q4 | 8,688 | 0 | 0 | 0.0 |
| 2000 Q3 | 9,266 | 5 | 2 | 539.6 |
| 2000 Q2 | 8,811 | 0 | 0 | 0.0 |
| 2000 Q1 | 6,439 | 3 | 0 | 465.9 |
No fatalities recorded at this mine.
Reportable incidents
13 on file2025 · 1 incident
2022 · 2 incidents
August 29, 2022
KY · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
HANDTOOLS (NONPOWERED)
Mercer Stone Company · Struck by... (Not Elsewhere Classified)
TRYING TO MOVE A PUMP WITH GIN POLE. THE CHAIN ON THE GIN POLE BROKE AND HIT THE EMPLOYEES.
August 29, 2022
KY · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
HANDTOOLS (NONPOWERED)
Mercer Stone Company · Struck by... (Not Elsewhere Classified)
Trying to move pump using a gin pole. The chain broke and hit the employees.
2011 · 1 incident
August 26, 2011
KY · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
SLIP OR FALL OF PERSON
Mercer Stone Company · Over-exertion (Not Elsewhere Classified)
Injured slipped cleaning rock from chute. Said he twisted right knee but it was not hurting enough for attention. On 11/9/11 injured said knee was bothering him and went to Dr. Dr. told him to give it time and it may heal itself. Continued to hurt, returned to Dr on 2/29/12, Dr scheduled medical procedure, on 2/29/12, management became aware of the reportable injury.
1998 · 1 incident
May 14, 1998
KY · Metal/Non-Metal
blaster, shooter, shotfirer, explosive worker, powder gang/monkey
DUST DISEASE OF LUNGS
Mercer Stone Company · Inhalation of radiations, caustics, toxic and noxious substances
LUNG BIOPSY-SURGICAL PATHOLOGY REPORT-HILER LYMPH NODE EXCISION HYALINIZED GRANULOMAS AND ANTHRACILICOSIS NO TUMOR SEE. RT. LOWER LOBE WEDGE BIOPSY: SEVERE INTERSTITIAL FIBROSISW, SMOOTH MUSCL E METAPLASIA, INTRA-ALVEOLAR MACROPHAGES AND MILD CHRONIC INTERSTITICIAL INFLAMMATION.
1995 · 1 incident
July 12, 1995
KY · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
OTHER
Mercer Stone Company · (Not Elsewhere Classified)
EE WAS OPERATING LOADER WHEN PERSONS IN THE AREA NOTICED HE WAS SLUMPED OVER IN THE CAB. THEY DISCOVERED HIM IN CAB APPARENTLY HAVING A HEART ATTACK. AMBULANCE WAS CALLED IMMEDIATELY. EE WAS P ATELY. EE WAS PRONOUNCED DEAD AT HOSPITAL, HAVING SUFFED A MASSIVE HEART ATTACK.
1991 · 1 incident
December 13, 1991
KY · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
SLIP OR FALL OF PERSON
Mercer Stone Company · Over-exertion (Not Elsewhere Classified)
INJURED STEPPED DOWN OFF OF LOADER AND TWISTED ANKLE (BROKEN BONE).
1988 · 1 incident
August 19, 1988
KY · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
SLIP OR FALL OF PERSON
Mercer Stone Company · Fall onto or against objects
I.NAME STEPPED DOWN FROM BACKHOE AT PRIMARY CRUSHER,SLIPPED ON LADDER AND FELL ACROSS TOP OF LADDER HITTING CHEST,CRACKING 4TH OR 5TH RIB.
1987 · 1 incident
March 30, 1987
KY · Metal/Non-Metal
driller, highwall operator, highwall drill operator
SLIP OR FALL OF PERSON
Mercer Stone Company · Fall from machine
RAINY AND WET V3NYARD STEPING UP ON CAT TRUCK, SLIPPED AND FALL OFF LADDER CAUGHT HIMSELF WITH RIGHT HAND ON FLOOR BREAKING RIGHT WRIST.
1986 · 2 incidents
Mercer Stone Company · Struck by... (Not Elsewhere Classified)
AS DRILLER PREP5IRED TO BREAK STEEL HE REVERSED HAMMER RAISED UP FROM COLLAR & RECONNECTED IN FORWARD POS. PIECE BREAKING OFF OF STRIKIER BAR HITTING IN LEFT SIDE DR. EXTRACTED METAL SHAVING P UTTING IN ONE S7ITCH.
Mercer Stone Company · Caught in, under or between a moving and a stationary object
ROCK HUNG IN TR6CK TIRE PUT HAND BETWEEN TIRES TO FREE-MAN HIT WITH SLEDGE CAUGHT HAND (FINGER) BETWEEN RIM & ROCK CUTTING OFF END OF FINGER JUST THE MEAT PART. NO BONES.
1985 · 1 incident
Mercer Stone Company · Struck by... (Not Elsewhere Classified)
PRYING ON ROCK WITH BAR - BAR SLIPPED AND HIT FACE BELOW RIGHT EYE 4 STITCHES REQUIRED
1983 · 1 incident
June 16, 1983
KY · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
OTHER
Mercer Stone Company · Bodily reaction, (Not Elsewhere Classified)
MAN WAS WALKING UP RAMP TO CRUSHER AND KNEE GAVEWAY MAN HAD METAL PIN IN KNEE THAT GAVE WAY PIN WAS FROM PRIOR INJURY
For insurers, brokers, and safety consultants
The full compliance file on Mercer Stone Company
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.