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Jefferson Materials Co Metal/Non-Metal

Stoneco Inc. · Surface
Controlled by CRH PLC
Streetsboro, Portage County, OH  ·  Intermittent
MSHA Mine ID: 3301526

Jefferson Materials Co has $5K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
10
Years on record
1988–2025
Latest incident
Oct 2025
Compliance record
MSHA citations since 2001
37
citations
4
significant & substantial
$4,712
proposed penalties
$4,375
paid to date
93% of proposed penalties paid to date, a $337 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
50
inspections on record
717
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: 717 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Jefferson Materials Co has $5K in proposed MSHA penalties and $0 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.
$5K
proposed penalties
$4K
current assessed
$4K
paid to date
$0
outstanding
37 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2024-11-07.
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 6,396 0 0 0.0
2025 Q3 8,771 0 0 0.0
2025 Q2 7,997 0 0 0.0
2025 Q1 3,558 0 0 0.0
2024 Q4 6,270 1 0 159.5
2024 Q3 9,318 0 0 0.0
2024 Q2 7,567 2 0 264.3
2024 Q1 3,418 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 6,838 1 0 146.2
2023 Q3 8,209 0 0 0.0
2023 Q2 8,335 0 0 0.0
2023 Q1 2,828 0 0 0.0
2022 Q4 5,772 0 0 0.0
2022 Q3 9,071 0 0 0.0
2022 Q2 7,004 1 0 142.8
2022 Q1 2,409 0 0 0.0
2021 Q4 6,920 0 0 0.0
2021 Q3 9,316 0 0 0.0
2021 Q2 8,946 0 0 0.0
2021 Q1 3,373 0 0 0.0
2020 Q4 9,232 0 0 0.0
2020 Q3 10,976 0 0 0.0
2020 Q2 9,031 0 0 0.0
2020 Q1 3,014 2 0 663.6
2019 Q4 11,292 0 0 0.0
2019 Q3 13,732 0 0 0.0
2019 Q2 11,847 0 0 0.0
2019 Q1 2,798 0 0 0.0
2018 Q4 4,891 1 0 204.5
2018 Q3 6,467 1 0 154.6
2018 Q2 6,438 0 0 0.0
2018 Q1 3,135 0 0 0.0
2017 Q4 5,444 0 0 0.0
2017 Q3 6,664 0 0 0.0
2017 Q2 6,266 2 0 319.2
2017 Q1 2,502 0 0 0.0
2016 Q4 4,072 1 1 245.6
2016 Q3 5,613 1 0 178.2
2016 Q2 5,335 0 0 0.0
2016 Q1 1,543 0 0 0.0
2015 Q4 4,337 0 0 0.0
2015 Q3 4,561 0 0 0.0
2015 Q2 3,405 1 0 293.7
2015 Q1 1,512 0 0 0.0
2014 Q4 2,699 0 0 0.0
2014 Q3 4,057 0 0 0.0
2014 Q2 3,759 0 0 0.0
2014 Q1 1,913 0 0 0.0
2013 Q4 3,263 1 0 306.5
2013 Q3 3,522 0 0 0.0
2013 Q2 3,606 0 0 0.0
2013 Q1 1,795 3 1 1671.3
2012 Q4 2,140 0 0 0.0
2012 Q3 4,282 0 0 0.0
2012 Q2 4,713 0 0 0.0
2012 Q1 2,770 0 0 0.0
2011 Q4 3,773 0 0 0.0
2011 Q3 4,500 0 0 0.0
2011 Q2 3,746 3 0 800.9
2011 Q1 1,690 0 0 0.0
2010 Q4 1,690 0 0 0.0
2010 Q3 6,042 2 0 331.0
2010 Q2 4,661 0 0 0.0
2010 Q1 1,977 0 0 0.0
2009 Q4 4,261 0 0 0.0
2009 Q3 5,264 0 0 0.0
2009 Q2 5,132 2 0 389.7
2009 Q1 2,327 0 0 0.0
2008 Q4 4,697 0 0 0.0
2008 Q3 6,051 0 0 0.0
2008 Q2 4,978 0 0 0.0
2008 Q1 2,960 0 0 0.0
2007 Q4 4,900 0 0 0.0
2007 Q3 6,304 0 0 0.0
2007 Q2 5,726 2 0 349.3
2007 Q1 3,451 0 0 0.0
2006 Q4 3,262 0 0 0.0
2006 Q3 5,692 0 0 0.0
2006 Q2 5,833 0 0 0.0
2006 Q1 2,981 0 0 0.0
2005 Q4 3,778 0 0 0.0
2005 Q3 5,470 0 0 0.0
2005 Q2 4,812 0 0 0.0
2005 Q1 2,718 0 0 0.0
2004 Q4 5,137 0 0 0.0
2004 Q3 5,816 0 0 0.0
2004 Q2 6,090 0 0 0.0
2004 Q1 3,763 1 0 265.7
2003 Q4 5,341 0 0 0.0
2003 Q3 5,193 0 0 0.0
2003 Q2 5,231 0 0 0.0
2003 Q1 2,289 0 0 0.0
2002 Q4 4,581 0 0 0.0
2002 Q3 4,392 0 0 0.0
2002 Q2 4,705 0 0 0.0
2002 Q1 3,361 0 0 0.0
2001 Q4 2,911 2 0 687.0
2001 Q3 3,593 0 0 0.0
2001 Q2 3,641 7 2 1922.5
2001 Q1 2,874 0 0 0.0
2000 Q4 2,980 0 0 0.0
2000 Q3 2,980 0 0 0.0
2000 Q2 4,566 0 0 0.0
2000 Q1 4,073 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

10 on file

2025 · 1 incident

October 27, 2025 OH · Metal/Non-Metal groundman, yardman HANDLING OF MATERIALS
Stoneco Inc. · Fall to the walkway or working surface

Standing at ground level putting a bar back on grizzly screen. Was trying to guide the bar in to the bolt holes, lost footing and fell back to the ground and the bar fell on employee. Lower back/butt sore.

2022 · 1 incident

January 20, 2022 OH · Metal/Non-Metal draftsman, surveyor/transit work supervisor SLIP OR FALL OF PERSON
Stoneco Inc. · Fall to the walkway or working surface

Ice on ground after snow storm and thaw/freeze. Worker was walking to pick up truck and fell. As EE was falling EE tried to put arm out to catch self which caused a Humerus fracture to right arm.

2018 · 1 incident

July 3, 2018 OH · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (PHYSICAL AGENTS)
Jefferson Materials Co · Contact with heat

90 degrees

2016 · 1 incident

March 8, 2016 OH · Metal/Non-Metal miner, prospector, nec MACHINERY
Jefferson Materials Co · Caught in, under or between (Not Elsewhere Classified)

Installing hydro cones. Wearing gloves, EE put right index and middle finger in between the washer and the cone EE's fingers still between the washer and the cone base were crushed when the impact unexpectedly tightened. EE was treated for a crushing injury to right middle finger and a fracture to the tip of right index finger.

2000 · 1 incident

March 21, 2000 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Jefferson Materials Company · Unclassified, insufficient data

HELPING MOVE CABLE CONVEYOR AND HURT HAND.

1999 · 1 incident

March 25, 1999 OH · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDTOOLS (NONPOWERED)
Jefferson Materials Company · Struck against stationary object

EMPLOYEE WAS PULLING ON A WRENCH. IT BUMPED HIS ELBOW. HE EXPERIENCED PAIN LATER THAT AFTERNOON.

1995 · 2 incidents

November 29, 1995 OH · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Jefferson Materials Company · Fall to the walkway or working surface

DISCONNECTING HYDRAULIC OILLINES. USED OIL DRY EVERYWHERE BUT ON OPEN GRATE - WOULDN'T WORK. STEPPEDON OPEN GRATE, SLIPPED AND FELL ON SHOULDER AND TORE MUSCLES IN ROTATOR CUFF.

1993 · 1 incident

February 16, 1993 OH · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Jefferson Materials Company · Over-exertion (Not Elsewhere Classified)

MOVING FLAPPER BOX AND CLEAN-OUT FOR DREDGE PUMP ACROSS THE FLOOR ON THE DREDGE AND PULLED HIS BACK.

1988 · 1 incident

May 31, 1988 OH · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management SLIP OR FALL OF PERSON
Jefferson Materials Company · Fall to the walkway or working surface

A CLEAR DAY HE WAS RUNNING BESIDE THE CONVEYOR BETL, HE SLIPPED ON A CROCK AND TRIPPED HE SLIPPESPRAINED HIS ANKLE.

For insurers, brokers, and safety consultants

The full compliance file on Jefferson Materials Co

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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