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Gerken Materials- Hillsdale Plant Metal/Non-Metal

HILLSDALE, Hillsdale County, MI  ·  Active
MSHA Mine ID: 2002344

Gerken Materials- Hillsdale Plant has $8K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
13
Years on record
1987–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2001
56
citations
15
significant & substantial
$8,293
proposed penalties
$8,293
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
48
inspections on record
683
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: 683 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Gerken Materials- Hillsdale Plant has $8K in proposed MSHA penalties and $0 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
54 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-04-08.
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 2,871 0 0 0.0
2025 Q3 3,647 0 0 0.0
2025 Q2 3,685 1 0 271.4
2025 Q1 2,498 0 0 0.0
2024 Q4 3,206 0 0 0.0
2024 Q3 3,407 0 0 0.0
2024 Q2 3,519 0 0 0.0
2024 Q1 2,685 3 0 1117.3
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 4,475 0 0 0.0
2023 Q3 4,784 0 0 0.0
2023 Q2 4,753 0 0 0.0
2023 Q1 2,961 0 0 0.0
2022 Q4 3,208 0 0 0.0
2022 Q3 4,392 0 0 0.0
2022 Q2 4,358 5 3 1147.3
2022 Q1 2,326 1 0 429.9
2021 Q4 4,418 0 0 0.0
2021 Q3 4,982 0 0 0.0
2021 Q2 4,983 2 1 401.4
2021 Q1 3,930 0 0 0.0
2020 Q4 4,462 0 0 0.0
2020 Q3 4,973 0 0 0.0
2020 Q2 4,991 0 0 0.0
2020 Q1 3,519 0 0 0.0
2019 Q4 4,288 0 0 0.0
2019 Q3 4,361 0 0 0.0
2019 Q2 4,163 5 0 1201.1
2019 Q1 2,254 0 0 0.0
2018 Q4 3,648 0 0 0.0
2018 Q3 3,534 0 0 0.0
2018 Q2 3,946 0 0 0.0
2018 Q1 2,862 1 0 349.4
2017 Q4 3,640 0 0 0.0
2017 Q3 3,945 0 0 0.0
2017 Q2 4,097 0 0 0.0
2017 Q1 3,119 0 0 0.0
2016 Q4 4,302 0 0 0.0
2016 Q3 5,940 0 0 0.0
2016 Q2 4,937 0 0 0.0
2016 Q1 3,048 1 1 328.1
2015 Q4 4,733 0 0 0.0
2015 Q3 5,172 0 0 0.0
2015 Q2 6,342 0 0 0.0
2015 Q1 2,924 0 0 0.0
2014 Q4 6,607 1 0 151.4
2014 Q3 4,947 0 0 0.0
2014 Q2 4,028 0 0 0.0
2014 Q1 1,511 0 0 0.0
2013 Q4 3,128 1 0 319.7
2013 Q3 3,442 0 0 0.0
2013 Q2 3,262 5 1 1532.8
2013 Q1 1,593 0 0 0.0
2012 Q4 2,343 0 0 0.0
2012 Q3 2,906 0 0 0.0
2012 Q2 3,373 0 0 0.0
2012 Q1 1,748 2 0 1144.2
2011 Q4 3,081 0 0 0.0
2011 Q3 3,669 0 0 0.0
2011 Q2 3,568 0 0 0.0
2011 Q1 1,848 0 0 0.0
2010 Q4 2,099 5 1 2382.1
2010 Q3 2,702 0 0 0.0
2010 Q2 2,950 0 0 0.0
2010 Q1 2,249 0 0 0.0
2009 Q4 3,263 8 2 2451.7
2009 Q3 3,746 0 0 0.0
2009 Q2 2,532 0 0 0.0
2009 Q1 1,575 0 0 0.0
2008 Q4 1,863 0 0 0.0
2008 Q3 1,819 0 0 0.0
2008 Q2 1,961 0 0 0.0
2008 Q1 1,790 0 0 0.0
2007 Q4 1,624 2 0 1231.5
2007 Q3 2,040 0 0 0.0
2007 Q2 2,078 0 0 0.0
2007 Q1 1,656 0 0 0.0
2006 Q4 2,091 2 2 956.5
2006 Q3 2,682 0 0 0.0
2006 Q2 2,004 0 0 0.0
2006 Q1 1,985 0 0 0.0
2005 Q4 3,677 2 0 543.9
2005 Q3 3,962 0 0 0.0
2005 Q2 4,588 0 0 0.0
2005 Q1 2,457 0 0 0.0
2004 Q4 3,501 0 0 0.0
2004 Q3 4,155 1 1 240.7
2004 Q2 3,874 0 0 0.0
2004 Q1 2,436 0 0 0.0
2003 Q4 3,157 0 0 0.0
2003 Q3 2,869 5 2 1742.8
2003 Q2 1,061 0 0 0.0
2003 Q1 1,732 0 0 0.0
2002 Q4 1,908 0 0 0.0
2002 Q3 2,268 0 0 0.0
2002 Q2 1,782 0 0 0.0
2002 Q1 1,701 0 0 0.0
2001 Q4 1,877 1 0 532.8
2001 Q3 2,440 0 0 0.0
2001 Q2 1,692 0 0 0.0
2001 Q1 1,524 0 0 0.0
2000 Q4 2,743 0 0 0.0
2000 Q3 3,162 0 0 0.0
2000 Q2 2,630 0 0 0.0
2000 Q1 165 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

13 on file

2026 · 1 incident

February 25, 2026 MI · Metal/Non-Metal master mechanic, foreman, supervisor SLIP OR FALL OF PERSON
Gerken Materials Inc · Fall onto or against objects

Employee was exiting the scale house office and slipped on ice and fell on steps and fractured four ribs in their back.

2019 · 2 incidents

November 5, 2019 MI · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Gerken Materials Inc · Struck against stationary object

Employee stated that the guard from the dredge winch was removed to replace the cable, at some point the cable started to slide off the deck into the water and EE jumped over the guard to stop it and cut the back of EE's leg on the guard.

April 30, 2019 MI · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Gerken Materials Inc · Caught in, under or between a moving and a stationary object

Employee was moving a bearing housing for installation on the screen plant and pinched gloved finger between two one hundred pound housings. When they removed glove they realized that they had severely cut a finger right behind the finger nail. Several days later the finger tip was removed.

2011 · 1 incident

April 4, 2011 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Gerken Materials Inc · Caught in, under or between (Not Elsewhere Classified)

Connecting ladder chain together and cutting head flopped over and pinched EE's finger tip causing a laceration and fractured finger tip above his knuckle.

2000 · 2 incidents

May 26, 2000 MI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Hillsdale Sand & Gravel Inc · Caught in, under or between a moving and a stationary object

THUMB PINCHED BETWEEN ROCK AND CHAIN WHILE OPERATING DREDGE. THUMB NAIL TORN OFF.

May 26, 2000 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Hillsdale Sand & Gravel Inc · Fall from machine

EMPLOYEE WAS PUTTING NEW PIPE LINE ON THE BACK OF DREDGE, SLIPPED AND FELL ON PONTOON, DISLOCATING RIGHT SHOULDER.

1998 · 2 incidents

May 16, 1998 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Hillsdale Sand & Gravel Inc · Struck by... (Not Elsewhere Classified)

EE GRINDING A PIECE OF STEEL AT WORK BENCH AT TOOL TRAILER, FOREIGN BODY RIGHT EYE.

January 19, 1998 MI · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand MACHINERY
Hillsdale Sand & Gravel Inc · Caught in, under or between a moving and a stationary object

EE GRINDING SLAG FROM STEEL PLATE, GLOVE GOT CAUGHT BY SLAG & GRINDING WHEEL CUT TOP SIDE OF RIGHT INDEX FINGER.

1993 · 1 incident

September 13, 1993 MI · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand STEPPING OR KNEELING ON OBJECT
Hillsdale Sand & Gravel Inc · Struck against stationary object

EMPLOYEE INSPECTING EAST DRIVE FOR CLOSENESS TO WATERS EDGE, STEPPED ON ROCK TWISTED RIGHT ANKLE

1992 · 1 incident

1987 · 3 incidents

October 2, 1987 MI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Hillsdale Sand & Gravel Inc · Flash burns (welding)

EMP HOLDING PIP9 FOR WELDER, WAS NOT WEARING PROTECTIVE WELDING LENSES, BURNED EYES

April 3, 1987 MI · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDTOOLS (NONPOWERED)
Hillsdale Sand & Gravel Inc · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS CU7TING RUBBER MAT FOR WOOD STEP PLANK OF DREDGE, KNIFE SLIPPED , CUT LEFT HAND BETWEEN THUMB AND 1ST FINGER, REQUIRING STITCHES.

For insurers, brokers, and safety consultants

The full compliance file on Gerken Materials- Hillsdale Plant

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.

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