Martin Marietta Materials Inc · Fall to the walkway or working surface
Employee missed a step and fell backward hitting EE's head, causing a small laceration resulting in two staples.
Kokomo Mine Metal/Non-Metal
Martin Marietta Materials Inc
· Underground
Kokomo,
Howard County,
IN
·
Active
MSHA Mine ID: 1202105
Kokomo Mine has $8K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 8
- Years on record
- 1993–2023
- Latest incident
- Jun 2023
Compliance record
MSHA citations since 2005
42
citations
10
significant & substantial
$7,713
proposed penalties
$7,686
paid to date
100% of proposed penalties paid to date, a $27 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
113
inspections on record
1,933
inspection hours
2.2
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.42 citations across 1,933 inspection hours.
Source: MSHA inspections data, updated weekly.
Kokomo Mine has $8K in proposed MSHA penalties and $0 outstanding across 3 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.$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
42 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-04-16.
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 | 2,033 | 2 | 1 | 983.8 |
| 2025 Q3 | 2,670 | 0 | 0 | 0.0 |
| 2025 Q2 | 2,885 | 0 | 0 | 0.0 |
| 2025 Q1 | 2,327 | 0 | 0 | 0.0 |
| 2024 Q4 | 1,775 | 2 | 2 | 1126.8 |
| 2024 Q3 | 3,015 | 1 | 0 | 331.7 |
| 2024 Q2 | 2,727 | 1 | 1 | 366.7 |
| 2024 Q1 | 3,374 | 0 | 0 | 0.0 |
Show 96 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 3,403 | 1 | 0 | 293.9 |
| 2023 Q3 | 3,904 | 1 | 0 | 256.1 |
| 2023 Q2 | 3,247 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,339 | 1 | 0 | 427.5 |
| 2022 Q4 | 2,685 | 0 | 0 | 0.0 |
| 2022 Q3 | 3,116 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,254 | 1 | 0 | 443.7 |
| 2022 Q1 | 1,866 | 1 | 0 | 535.9 |
| 2021 Q4 | 517 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,150 | 1 | 1 | 869.6 |
| 2021 Q2 | 1,969 | 3 | 1 | 1523.6 |
| 2021 Q1 | 1,502 | 0 | 0 | 0.0 |
| 2020 Q4 | 1,489 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,418 | 1 | 1 | 705.2 |
| 2020 Q2 | 1,668 | 0 | 0 | 0.0 |
| 2020 Q1 | 1,581 | 2 | 0 | 1265.0 |
| 2019 Q4 | 1,452 | 1 | 0 | 688.7 |
| 2019 Q3 | 1,854 | 1 | 0 | 539.4 |
| 2019 Q2 | 1,732 | 0 | 0 | 0.0 |
| 2019 Q1 | 190 | 0 | 0 | 0.0 |
| 2018 Q4 | 2,074 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,600 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,146 | 0 | 0 | 0.0 |
| 2018 Q1 | 36 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,165 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,791 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,485 | 0 | 0 | 0.0 |
| 2017 Q1 | 28 | 0 | 0 | 0.0 |
| 2016 Q4 | 351 | 0 | 0 | 0.0 |
| 2016 Q3 | 2,375 | 3 | 0 | 1263.2 |
| 2016 Q2 | 978 | 1 | 0 | 1022.5 |
| 2016 Q1 | 24 | 0 | 0 | 0.0 |
| 2015 Q4 | 20 | 1 | 0 | 50000.0 |
| 2015 Q3 | 1,946 | 1 | 0 | 513.9 |
| 2015 Q2 | 1,185 | 0 | 0 | 0.0 |
| 2015 Q1 | 15 | 0 | 0 | 0.0 |
| 2014 Q4 | 2,100 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,686 | 0 | 0 | 0.0 |
| 2014 Q2 | 4,047 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 5,710 | 1 | 0 | 175.1 |
| 2013 Q3 | 6,024 | 1 | 0 | 166.0 |
| 2013 Q2 | 5,121 | 0 | 0 | 0.0 |
| 2013 Q1 | 2,456 | 0 | 0 | 0.0 |
| 2012 Q4 | 6,750 | 0 | 0 | 0.0 |
| 2012 Q3 | 8,264 | 0 | 0 | 0.0 |
| 2012 Q2 | 6,662 | 0 | 0 | 0.0 |
| 2012 Q1 | 3,566 | 0 | 0 | 0.0 |
| 2011 Q4 | 6,857 | 1 | 0 | 145.8 |
| 2011 Q3 | 6,831 | 0 | 0 | 0.0 |
| 2011 Q2 | 5,294 | 2 | 0 | 377.8 |
| 2011 Q1 | 2,173 | 0 | 0 | 0.0 |
| 2010 Q4 | 5,562 | 1 | 0 | 179.8 |
| 2010 Q3 | 5,426 | 0 | 0 | 0.0 |
| 2010 Q2 | 4,727 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,721 | 0 | 0 | 0.0 |
| 2009 Q4 | 4,471 | 1 | 0 | 223.7 |
| 2009 Q3 | 1,047 | 1 | 0 | 955.1 |
| 2009 Q2 | 3,692 | 0 | 0 | 0.0 |
| 2009 Q1 | 1,098 | 0 | 0 | 0.0 |
| 2008 Q4 | 4,196 | 1 | 0 | 238.3 |
| 2008 Q3 | 3,187 | 1 | 0 | 313.8 |
| 2008 Q2 | 1,306 | 0 | 0 | 0.0 |
| 2008 Q1 | 2,530 | 0 | 0 | 0.0 |
| 2007 Q4 | 4,404 | 0 | 0 | 0.0 |
| 2007 Q3 | 3,873 | 0 | 0 | 0.0 |
| 2007 Q2 | 2,436 | 0 | 0 | 0.0 |
| 2007 Q1 | 1,496 | 0 | 0 | 0.0 |
| 2006 Q4 | 2,430 | 0 | 0 | 0.0 |
| 2006 Q3 | 3,332 | 2 | 2 | 600.2 |
| 2006 Q2 | 3,457 | 0 | 0 | 0.0 |
| 2006 Q1 | 2,774 | 2 | 1 | 721.0 |
| 2005 Q4 | 3,047 | 0 | 0 | 0.0 |
| 2005 Q3 | 4,309 | 0 | 0 | 0.0 |
| 2005 Q2 | 3,260 | 1 | 0 | 306.7 |
| 2005 Q1 | 2,249 | 0 | 0 | 0.0 |
| 2004 Q4 | 2,781 | 0 | 0 | 0.0 |
| 2004 Q3 | 2,403 | 0 | 0 | 0.0 |
| 2004 Q2 | 1,516 | 0 | 0 | 0.0 |
| 2004 Q1 | 1,866 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,638 | 0 | 0 | 0.0 |
| 2003 Q3 | 1,587 | 0 | 0 | 0.0 |
| 2003 Q2 | 2,042 | 0 | 0 | 0.0 |
| 2003 Q1 | 1,791 | 0 | 0 | 0.0 |
| 2002 Q4 | 2,588 | 0 | 0 | 0.0 |
| 2002 Q3 | 2,940 | 0 | 0 | 0.0 |
| 2002 Q2 | 3,689 | 0 | 0 | 0.0 |
| 2002 Q1 | 2,674 | 0 | 0 | 0.0 |
| 2001 Q4 | 2,749 | 0 | 0 | 0.0 |
| 2001 Q3 | 3,506 | 0 | 0 | 0.0 |
| 2001 Q2 | 3,529 | 0 | 0 | 0.0 |
| 2001 Q1 | 1,995 | 0 | 0 | 0.0 |
| 2000 Q4 | 2,150 | 0 | 0 | 0.0 |
| 2000 Q3 | 2,619 | 0 | 0 | 0.0 |
| 2000 Q2 | 2,341 | 0 | 0 | 0.0 |
| 2000 Q1 | 2,048 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
8 on file2023 · 1 incident
2011 · 1 incident
March 17, 2011
IN · Metal/Non-Metal
utility man, errand boy, service truck operator
SLIP OR FALL OF PERSON
Martin Marietta Materials Inc · Fall onto or against objects
Employee was exiting truck backing down the steps and missed a step causing him to fall backward resulting in a strain to his groin muscle.
2005 · 1 incident
Martin Marietta Materials Inc · Struck by falling object
Employee was scaling in an intersection when the back fell on the machine knocking the front windshield into him!
1998 · 1 incident
March 24, 1998
IN · Metal/Non-Metal
blaster, shooter, shotfirer, explosive worker, powder gang/monkey
SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)
EMPLOYEE INJURED ANKLE WHILE CLIMBING ONTO STONE MUCK PILE TO RETRIEVE A FUEL CAN.
1996 · 1 incident
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object
EE GOT HAND CAUGHT UNDER TONGUE OF FUEL TRAILER WHILE HITCHING IT TO A TRUCK.
1995 · 2 incidents
March 30, 1995
IN · Metal/Non-Metal
blaster, shooter, shotfirer, explosive worker, powder gang/monkey
HANDLING OF MATERIALS
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)
EMPLOYEE WAS LOADING EXPLOSIVES IN A FACE ROUND.WHEN SHE STOOD UPRIGHT SHE EXPERIENCED ACUTE LOW BACK PAIN.
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)
EMPLOYEE SUFFERED BACK STRAIN WHILE PERFORMING MANUAL SCALING.
1993 · 1 incident
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object
EMPLOYEE WAS ACCESSING MINE ENTRY CANOPY IN A MAN-LIFT BASKET. THE BASKET MOVED SUDDENLY AND THE EMPLOYEE'S HAND WAS MASHED BETWEEN THE BASKET AND THE PORTAL CANOPY STRUCTURE.
For insurers, brokers, and safety consultants
The full compliance file on Kokomo Mine
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.