Mining Incidents

Portage Operation Metal/Non-Metal

Controlled by Carmeuse Holding SA
Portage, Porter County, IN  ·  Active
MSHA Mine ID: 1202117

Portage Operation has $36K in proposed MSHA penalties and $366 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
12
Years on record
2004–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2000
170
citations
40
significant & substantial
$36,169
proposed penalties
$35,417
paid to date
98% of proposed penalties paid to date, a $752 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
63
inspections on record
1,100
inspection hours
15.5
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.
170 citations across 1,100 inspection hours.
Source: MSHA inspections data, updated weekly.

Portage Operation has $36K in proposed MSHA penalties and $366 outstanding across 2 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.
$36K
proposed penalties
$36K
current assessed
$35K
paid to date
$366
outstanding
169 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-02-12.
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 6,716 0 0 0.0
2025 Q3 6,577 1 0 152.0
2025 Q2 7,124 0 0 0.0
2025 Q1 6,553 4 3 610.4
2024 Q4 6,704 0 0 0.0
2024 Q3 7,096 0 0 0.0
2024 Q2 7,185 3 0 417.5
2024 Q1 7,736 1 0 129.3
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 7,209 0 0 0.0
2023 Q3 7,475 0 0 0.0
2023 Q2 7,474 6 1 802.8
2023 Q1 7,014 0 0 0.0
2022 Q4 6,973 4 2 573.6
2022 Q3 6,909 0 0 0.0
2022 Q2 9,587 2 0 208.6
2022 Q1 7,162 2 0 279.3
2021 Q4 6,561 0 0 0.0
2021 Q3 6,192 0 0 0.0
2021 Q2 5,223 2 0 382.9
2021 Q1 5,773 2 0 346.4
2020 Q4 6,494 0 0 0.0
2020 Q3 6,876 1 0 145.4
2020 Q2 5,396 0 0 0.0
2020 Q1 7,620 5 1 656.2
2019 Q4 8,105 0 0 0.0
2019 Q3 7,844 1 0 127.5
2019 Q2 7,709 0 0 0.0
2019 Q1 7,655 2 0 261.3
2018 Q4 7,744 0 0 0.0
2018 Q3 7,843 0 0 0.0
2018 Q2 7,591 5 0 658.7
2018 Q1 8,190 0 0 0.0
2017 Q4 7,921 0 0 0.0
2017 Q3 8,628 0 0 0.0
2017 Q2 9,016 4 2 443.7
2017 Q1 8,756 0 0 0.0
2016 Q4 8,221 3 1 364.9
2016 Q3 8,240 1 0 121.4
2016 Q2 8,007 0 0 0.0
2016 Q1 7,717 1 0 129.6
2015 Q4 8,495 0 0 0.0
2015 Q3 8,173 0 0 0.0
2015 Q2 8,526 3 0 351.9
2015 Q1 8,491 0 0 0.0
2014 Q4 8,207 0 0 0.0
2014 Q3 2,956 0 0 0.0
2014 Q2 8,041 3 0 373.1
2014 Q1 8,544 0 0 0.0
2013 Q4 8,332 2 0 240.0
2013 Q3 8,145 0 0 0.0
2013 Q2 8,411 0 0 0.0
2013 Q1 8,035 2 0 248.9
2012 Q4 7,657 0 0 0.0
2012 Q3 7,803 0 0 0.0
2012 Q2 8,022 6 0 747.9
2012 Q1 8,400 0 0 0.0
2011 Q4 7,488 10 3 1335.5
2011 Q3 7,856 2 0 254.6
2011 Q2 8,059 0 0 0.0
2011 Q1 7,835 0 0 0.0
2010 Q4 7,203 0 0 0.0
2010 Q3 7,028 3 0 426.9
2010 Q2 7,388 0 0 0.0
2010 Q1 7,551 13 6 1721.6
2009 Q4 7,556 0 0 0.0
2009 Q3 7,021 11 5 1566.7
2009 Q2 7,841 0 0 0.0
2009 Q1 7,415 5 0 674.3
2008 Q4 7,248 0 0 0.0
2008 Q3 7,735 0 0 0.0
2008 Q2 8,351 1 0 119.7
2008 Q1 8,519 3 0 352.2
2007 Q4 7,955 0 0 0.0
2007 Q3 8,389 0 0 0.0
2007 Q2 8,132 0 0 0.0
2007 Q1 7,447 7 0 940.0
2006 Q4 6,128 0 0 0.0
2006 Q3 6,873 0 0 0.0
2006 Q2 5,513 7 2 1269.7
2006 Q1 7,241 13 3 1795.3
2005 Q4 7,054 0 0 0.0
2005 Q3 6,289 0 0 0.0
2005 Q2 7,213 0 0 0.0
2005 Q1 1,698 0 0 0.0
2004 Q4 5,681 0 0 0.0
2004 Q3 5,760 4 1 694.4
2004 Q2 5,681 0 0 0.0
2004 Q1 5,589 0 0 0.0
2003 Q4 5,936 6 2 1010.8
2003 Q3 5,262 0 0 0.0
2003 Q2 5,410 0 0 0.0
2003 Q1 5,883 0 0 0.0
2002 Q4 5,618 4 3 712.0
2002 Q3 6,677 6 3 898.6
2002 Q2 7,243 0 0 0.0
2002 Q1 8,109 1 0 123.3
2001 Q4 7,148 0 0 0.0
2001 Q3 7,635 0 0 0.0
2001 Q2 7,309 2 0 273.6
2001 Q1 6,739 0 0 0.0
2000 Q4 8,642 0 0 0.0
2000 Q3 8,052 0 0 0.0
2000 Q2 8,024 2 1 249.3
2000 Q1 6,815 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

12 on file

2026 · 1 incident

March 17, 2026 IN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
O-N Minerals Portage Company LLC · Fall to the walkway or working surface

Employee was descending a 6' ladder. When EE stepped on the ground, EE's knee gave out and EE fell to the ground. Incident occurred on 3/17 but did not become reportable until 4/21 when employee was given a brace and PT was ordered.

2024 · 1 incident

April 10, 2024 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals Portage Company LLC · Caught in, under or between a moving and a stationary object

Installing conveyor. Pinched right ring finger between conveyor and another metal piece. Laceration of tip of right ring finger.

2016 · 3 incidents

December 8, 2016 IN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals Portage Company LLC · Struck by... (Not Elsewhere Classified)

Employee was helping remove ceiling tiles in bathroom. At break time, employee removed ppe and sweatshirt when something entered eye.

October 28, 2016 IN · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
O-N Minerals Portage Company LLC · Caught in, under or between a moving and a stationary object

Injured was rotating driven pulley by hand in order to distribute lubricant when EE's finger became pinched between the rpm sensor and the rpm pickup point.

June 1, 2016 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
O-N Minerals Portage Company LLC · Struck by flying object

Injured had just finished using a die grinder when EE felt foreign material in left eye.

2015 · 1 incident

October 25, 2015 IN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
O-N Minerals Portage Company LLC · Struck by falling object

Injured was cleaning with a skid steer when a piece of material fell causing small debris to enter his eye.

2014 · 1 incident

February 15, 2014 IN · Metal/Non-Metal building repair man, maintenance OTHER
O-N Minerals Portage Company LLC · Struck by flying object

Injured was changing a bearing on a bucket elevator when wind blew metal dust into his eyes.

2012 · 1 incident

November 13, 2012 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals Portage Company LLC · Over-exertion (Not Elsewhere Classified)

Injured was installing sensor system in building. He was turning a conduit body onto the base of a red warning light and heard a pop in his right hand.

2009 · 1 incident

November 13, 2009 IN · Metal/Non-Metal electrician helper ELECTRICAL
O-N Minerals Portage Company LLC · Flash burns (electric)

Terminating cables on load side of de-energized breaker, cable made contact with energized bus detail on breaker located directly above, causing arc flash and burning ee hands.

2005 · 1 incident

July 7, 2005 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
O-N Minerals Portage Company LLC · Struck by... (Not Elsewhere Classified)

While chipping the welds on a steel fabrication, a metal particle must have gotten around the safety glasses and into his eye. Employee did not have any issues with his eye until he woke up the next morning. Injury was determined to be MSHA reportable because the doctor prescribed medicated eye drops.

2004 · 2 incidents

October 13, 2004 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
O-N Minerals Portage Company LLC · Struck by... (Not Elsewhere Classified)

Injured employee accidently turned on portable grinder and his left thumb came in contact with the turning grinding disc.

January 13, 2004 IN · Metal/Non-Metal NONPOWERED HAULAGE
O-N Minerals Portage Company LLC · NONPOWERED HAULAGE

THE INJURED EE WAS EMPTYING THE WHEEL BARROW OF FROZEN LIMESTONE FINES. AS HE WAS EMPTYING THE WHEEL BARROW, MATERIAL WAS FROZEN TO THE WHEEL BARROW CAUSING THE WHEEL BARROW TO ROTATE BACK AND STRIKE HIS LEFT THUMB.

For insurers, brokers, and safety consultants

The full compliance file on Portage Operation

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.