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PORTABLE #1 Metal/Non-Metal

Mountain Grove, Texas County, MO  ·  Active
MSHA Mine ID: 2302187

PORTABLE #1 has $7K in proposed MSHA penalties and $418 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
6
Years on record
1999–2023
Latest incident
Jun 2023
Compliance record
MSHA citations since 2000
60
citations
8
significant & substantial
$7,210
proposed penalties
$6,756
paid to date
94% of proposed penalties paid to date, a $454 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
67
inspections on record
610
inspection hours
n/a
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.
Rate withheld: 610 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

PORTABLE #1 has $7K in proposed MSHA penalties and $418 outstanding across 1 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.
$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$418
outstanding
58 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-01-22.
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 3,355 0 0 0.0
2025 Q2 1,900 1 0 526.3
2025 Q1 2,240 3 0 1339.3
2024 Q4 3,221 0 0 0.0
2024 Q3 3,138 3 0 956.0
2024 Q2 2,423 0 0 0.0
2024 Q1 2,433 0 0 0.0
2023 Q4 2,800 0 0 0.0
Show 91 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 2,920 0 0 0.0
2023 Q2 2,514 2 0 795.5
2023 Q1 2,452 1 0 407.8
2022 Q4 1,970 0 0 0.0
2022 Q3 1,896 1 1 527.4
2022 Q2 2,640 0 0 0.0
2022 Q1 1,442 0 0 0.0
2021 Q4 2,894 0 0 0.0
2021 Q3 2,519 0 0 0.0
2021 Q2 2,761 1 0 362.2
2021 Q1 2,491 1 0 401.4
2020 Q4 2,043 0 0 0.0
2020 Q3 2,553 0 0 0.0
2020 Q2 2,444 0 0 0.0
2020 Q1 2,215 2 0 902.9
2019 Q4 2,310 0 0 0.0
2019 Q3 2,693 13 4 4827.3
2019 Q2 3,179 0 0 0.0
2019 Q1 3,157 0 0 0.0
2018 Q2 2,289 0 0 0.0
2018 Q1 1,881 1 0 531.6
2017 Q4 2,474 0 0 0.0
2017 Q3 2,407 0 0 0.0
2017 Q1 2,443 2 0 818.7
2016 Q4 2,308 0 0 0.0
2016 Q3 3,184 1 0 314.1
2016 Q1 2,425 0 0 0.0
2015 Q4 2,145 0 0 0.0
2015 Q3 2,236 0 0 0.0
2015 Q2 1,894 2 0 1056.0
2015 Q1 1,336 0 0 0.0
2014 Q4 826 0 0 0.0
2014 Q3 545 0 0 0.0
2014 Q2 537 0 0 0.0
2014 Q1 368 0 0 0.0
2013 Q4 415 0 0 0.0
2013 Q3 582 0 0 0.0
2013 Q2 510 0 0 0.0
2013 Q1 585 0 0 0.0
2012 Q4 586 0 0 0.0
2012 Q3 441 0 0 0.0
2012 Q2 553 0 0 0.0
2012 Q1 499 2 1 4008.0
2011 Q4 501 0 0 0.0
2011 Q3 900 0 0 0.0
2011 Q2 1,487 0 0 0.0
2011 Q1 394 1 0 2538.1
2010 Q4 149 0 0 0.0
2010 Q3 1,653 1 1 605.0
2010 Q2 1,650 0 0 0.0
2010 Q1 1,100 0 0 0.0
2009 Q4 1,608 0 0 0.0
2009 Q3 695 0 0 0.0
2009 Q2 1,644 2 0 1216.5
2009 Q1 810 0 0 0.0
2008 Q4 738 0 0 0.0
2008 Q3 1,064 0 0 0.0
2008 Q2 663 0 0 0.0
2008 Q1 631 0 0 0.0
2007 Q4 969 0 0 0.0
2007 Q3 1,767 0 0 0.0
2007 Q2 1,614 0 0 0.0
2007 Q1 1,744 0 0 0.0
2006 Q4 1,675 1 0 597.0
2006 Q3 2,784 0 0 0.0
2006 Q2 2,006 0 0 0.0
2006 Q1 2,051 0 0 0.0
2005 Q4 2,161 0 0 0.0
2005 Q3 2,174 0 0 0.0
2005 Q2 1,878 0 0 0.0
2005 Q1 1,792 0 0 0.0
2004 Q4 1,403 0 0 0.0
2004 Q3 2,438 0 0 0.0
2004 Q2 2,221 1 0 450.2
2004 Q1 2,707 1 0 369.4
2003 Q4 3,562 0 0 0.0
2003 Q3 4,557 1 0 219.4
2003 Q2 4,019 0 0 0.0
2003 Q1 3,601 3 0 833.1
2002 Q4 3,428 0 0 0.0
2002 Q3 4,063 0 0 0.0
2002 Q2 4,589 4 1 871.6
2002 Q1 3,533 0 0 0.0
2001 Q4 3,624 1 0 275.9
2001 Q3 3,451 0 0 0.0
2001 Q2 4,254 0 0 0.0
2001 Q1 3,556 0 0 0.0
2000 Q4 3,896 4 0 1026.7
2000 Q3 4,413 0 0 0.0
2000 Q2 3,908 0 0 0.0
2000 Q1 2,714 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

6 on file

2023 · 1 incident

June 21, 2023 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)
Grove Rock Quarry, LLC · Contact with heat

Worker became overheated walked under own power to office to cool became unresponsive ambulance was called worker given fluids at medical center returned to work later that day sent home.

2004 · 1 incident

January 7, 2004 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Rock Quarries LLC · Fall from machine

THIS INJURY IS A REOCCURANCE OF THE INJURY REPORTED 12-7-01. EE WAS CLIMBING DOWN LADDER OF LOADER, HIS KNEE THE SAME RIGHT KNEE GAVE AWAY AND HE FELL TO THE GROUND.

2002 · 1 incident

August 5, 2002 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Rock Quarries LLC · Fall onto or against objects

INJURED AND 2 OTHER MEN WERE STANDING IN CRUSHER REMOVING BLOW BAR SO THEY COULD BE REPLACED. THE PRY BAR HE WAS USING SLIPPED, CAUSING HIM TO STUMBLE BACKWARDS ONTO CRUSHER - STILL STANDING. HIS SHOULDER BUMPED INTO WALL.

2001 · 2 incidents

December 3, 2001 MO · Metal/Non-Metal miner, nec SLIP OR FALL OF PERSON
Rock Quarries LLC · Over-exertion (Not Elsewhere Classified)

EE AND OTHER EE WERE ATTEMPTING TO DISLODGE A LARGE ROCK FROM THE HOPPER, AS EE STEPPED DOWN INTO IT. HE CAUGHT HIS BOOT TOE, TRIPPING HIM FORWARD AND TWISTING HIS RIGHT KNEE. ALL ELQUIPMENT W AS SHUT DOWN BEFORE THEY ENTERED THE HOPPER. 12-7-01 EE ASKED TO SEE A DR THE KNEE WAS STILL PAINFUL SWOLLEN AND BRUISED HE SAW DR BALL X RAYED THE KNEE TOLD HIM TO TAKE IT EASY AND COME BACK

April 18, 2001 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Rock Quarries LLC · Struck by rolling or sliding object

SEVERAL WORKERS WERE REPLACING BLOW BARS IN A ROCK CRUSHER. THE OPERATION WAS COMPLETELY SHUT DOWN WHILE REPLACEMENT WAS BEING MADE. THE WORKERSHAD PERFORMED THE TASK SEVERAL TIMES & WERE HAVI NG NO PROBLEMS. THE PARTS INVOLVED ARE QUITE HEAVY & AKWARD. WHILE MANUEVERING THE PART, ONE OF THEM SIMPLY ROLLED ONTO INJURED'S FINGER, CRUSHING THE TIP.

1999 · 1 incident

November 9, 1999 MO · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Rock Quarries LLC · Struck by... (Not Elsewhere Classified)

EMPLOYEE CUTTING CONVEYOR BELT - USING UTILITY KNIFE IMPROPERLY.

For insurers, brokers, and safety consultants

The full compliance file on PORTABLE #1

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.

Get the report ($149) See a sample report Monitor a whole book of operators, $99/mo