Mining Incidents

Portage Operation Metal/Non-Metal

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

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Fatalities
0
Total incidents
12
Years on record
2004–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2000
169
citations
40
significant & substantial
$36,169
proposed penalties
$35,417
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
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 1,348 1 0 741.8
2025 Q2 7,124 0 0 0.0
2025 Q1 504 4 3 7936.5
2024 Q4 1,200 0 0 0.0
2024 Q3 1,368 0 0 0.0
2024 Q2 5,737 3 0 522.9
2024 Q1 1,440 1 0 694.4
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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

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.