Mining Incidents

Monon Quarry Metal/Non-Metal

Controlled by Heidelberg Materials AG
Monon, White County, IN  ·  Active
MSHA Mine ID: 1202261

Monon Quarry has $311K in proposed MSHA penalties and $16K outstanding across 8 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
2001–2024
Latest incident
Feb 2024
Compliance record
MSHA citations since 2001
228
citations
56
significant & substantial
$310,533
proposed penalties
$233,816
paid to date
75% of proposed penalties paid to date, a $76,717 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
68
inspections on record
1,263
inspection hours
18.1
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.
228 citations across 1,263 inspection hours.
Source: MSHA inspections data, updated weekly.

Monon Quarry has $311K in proposed MSHA penalties and $16K outstanding across 8 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.
$311K
proposed penalties
$250K
current assessed
$234K
paid to date
$16K
outstanding
223 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-04-30.
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 3,875 0 0 0.0
2025 Q3 5,154 1 0 194.0
2025 Q2 4,846 0 0 0.0
2025 Q1 3,440 0 0 0.0
2024 Q4 4,865 26 6 5344.3
2024 Q3 5,515 0 0 0.0
2024 Q2 5,409 4 0 739.5
2024 Q1 2,992 0 0 0.0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 4,161 70 25 16822.9
2023 Q3 5,558 0 0 0.0
2023 Q2 6,049 21 7 3471.6
2023 Q1 5,882 0 0 0.0
2022 Q4 5,411 5 1 924.0
2022 Q3 4,135 0 0 0.0
2022 Q2 4,458 14 1 3140.4
2022 Q1 3,582 1 1 279.2
2021 Q4 2,122 7 1 3298.8
2021 Q3 2,975 0 0 0.0
2021 Q2 5,762 2 0 347.1
2021 Q1 3,768 0 0 0.0
2020 Q4 5,373 2 0 372.2
2020 Q3 6,777 0 0 0.0
2020 Q2 6,146 0 0 0.0
2020 Q1 4,675 3 1 641.7
2019 Q4 6,535 19 4 2907.4
2019 Q3 6,009 0 0 0.0
2019 Q2 6,937 5 2 720.8
2019 Q1 3,085 0 0 0.0
2018 Q4 5,829 2 0 343.1
2018 Q3 6,855 0 0 0.0
2018 Q2 5,868 0 0 0.0
2018 Q1 3,588 0 0 0.0
2017 Q4 3,178 1 0 314.7
2017 Q3 4,336 0 0 0.0
2017 Q2 4,296 0 0 0.0
2017 Q1 3,176 2 0 629.7
2016 Q4 4,470 0 0 0.0
2016 Q3 5,517 0 0 0.0
2016 Q2 5,341 3 0 561.7
2016 Q1 3,099 0 0 0.0
2015 Q4 3,754 1 0 266.4
2015 Q3 5,174 0 0 0.0
2015 Q2 4,970 0 0 0.0
2015 Q1 3,006 1 0 332.7
2014 Q4 3,448 1 0 290.0
2014 Q3 3,469 0 0 0.0
2014 Q2 3,370 1 0 296.7
2014 Q1 1,670 2 0 1197.6
2013 Q4 2,676 0 0 0.0
2013 Q3 4,270 0 0 0.0
2013 Q2 2,832 0 0 0.0
2013 Q1 2,051 1 0 487.6
2012 Q4 1,857 0 0 0.0
2012 Q3 3,459 5 2 1445.5
2012 Q2 3,457 0 0 0.0
2012 Q1 2,476 0 0 0.0
2011 Q4 2,936 0 0 0.0
2011 Q3 3,547 0 0 0.0
2011 Q2 3,485 0 0 0.0
2011 Q1 2,440 0 0 0.0
2010 Q4 2,643 2 1 756.7
2010 Q3 3,031 0 0 0.0
2010 Q2 3,263 1 0 306.5
2010 Q1 2,157 0 0 0.0
2009 Q4 2,266 0 0 0.0
2009 Q3 3,019 3 2 993.7
2009 Q2 3,064 0 0 0.0
2009 Q1 2,580 2 0 775.2
2008 Q4 3,282 0 0 0.0
2008 Q3 4,292 3 0 699.0
2008 Q2 4,341 0 0 0.0
2008 Q1 3,300 0 0 0.0
2007 Q4 3,270 1 0 305.8
2007 Q3 4,554 0 0 0.0
2007 Q2 4,562 0 0 0.0
2007 Q1 4,221 0 0 0.0
2006 Q4 3,287 4 0 1216.9
2006 Q3 4,733 0 0 0.0
2006 Q2 4,723 0 0 0.0
2006 Q1 3,936 0 0 0.0
2005 Q4 3,815 3 0 786.4
2005 Q3 4,065 0 0 0.0
2005 Q2 3,927 0 0 0.0
2005 Q1 2,317 0 0 0.0
2004 Q4 2,361 1 0 423.5
2004 Q3 3,731 0 0 0.0
2004 Q2 3,679 0 0 0.0
2004 Q1 2,984 0 0 0.0
2003 Q4 3,148 0 0 0.0
2003 Q3 3,385 0 0 0.0
2003 Q2 3,754 0 0 0.0
2003 Q1 2,934 0 0 0.0
2002 Q4 2,958 0 0 0.0
2002 Q3 3,334 0 0 0.0
2002 Q2 3,614 2 1 553.4
2002 Q1 3,017 0 0 0.0
2001 Q4 1,226 0 0 0.0
2001 Q3 3,825 1 0 261.4
2001 Q2 3,468 0 0 0.0
2001 Q1 2,364 0 0 0.0
2000 Q4 3,413 0 0 0.0
2000 Q3 2,260 0 0 0.0
2000 Q2 0 0 0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2024 · 1 incident

February 14, 2024 IN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Heidelberg Materials Midwest Agg, Inc. · Struck against stationary object

At around 4:45pm eastern time EE was exiting the WA700. As EE was coming down the ladder, EE got right hand caught on a cotter pin that was bent over at the top of the handrail and cut right hand needing 3 stitches.

2019 · 1 incident

October 17, 2019 IN · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Hanson Material Service · Struck by... (Not Elsewhere Classified)

A miner sustained a laceration and nondisp fx to the tip of the right long finger. The injured was preparing to replace a hydraulic hose on the WA 700 Front End Loader. While opening an access door EE states EE lost balance allowing the door to open fully catching the tip of the right long finger in a nip point between the cover EE was holding and another cover.

2005 · 1 incident

July 14, 2005 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Hanson Material Service · Over-exertion (Not Elsewhere Classified)

The injured strained his right shoulder when he slipped on the ladder for the primary crusher. Medical treatment did not occur until August 1, 2005.

2004 · 2 incidents

March 12, 2004 IN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Hanson Material Service · Caught in, under or between a moving and a stationary object

The injured was helping a customer cartage truck driver open a stuck tailgate when the gate broke free crushing his left index finger. the injury consisted of a fractured finger.

February 23, 2004 IN · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Hanson Material Service · Over-exertion (Not Elsewhere Classified)

THE EMPLOYEE WAS HELPING MOVE A TABLE IN THE O.C. LAB ON FEBRUARY 23, 2004, WHEN THE EMPLOYEE TWISTED HIS KNEE. HE WAS EXAMINED AT A HEALTH CLINIC AND WAS RELEASED BACK TO WORK. ON MARCH 16TH THE EMPLOYEE'S KNEE WAS STILL CAUSING HIM PAIN AND AN MRI REVEALED TORN CARTILAGE. THIS INJURY BECAME RECORDABLE ON MARCH 16, 2004 WHEN THE MRI REVEALED TORN CARTILAGE.

2003 · 1 incident

October 21, 2003 IN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Hanson Material Service · Struck against stationary object

WHILE SHOVELING UNDER THE JAW CRUSHER, THE EMPLOYEE STRUCK HIS RIGHT LITTLE FINGER ON THE FRAME.

2001 · 1 incident

February 20, 2001 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Hanson Material Service · Over-exertion (Not Elsewhere Classified)

ON FEB. 20, 2001, THE EMPLOYEE STATED HE WAS WORKING IN A KNEELING POSITION AND FELT PAIN IN HIS KNEE WHEN HE STOOD UP. NO MEDICAL ATTENTION WAS RECEIVED UNTIL NOV. 2, 2001 MAKING THIS INJURY A RECORDABLE.

For insurers, brokers, and safety consultants

The full compliance file on Monon Quarry

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.