Mining Incidents

Maumee Quarry Metal/Non-Metal

Stoneco Inc · Surface
Controlled by CRH PLC
Maumee, Lucas County, OH  ·  Active
MSHA Mine ID: 3300102

Maumee Quarry has $16K in proposed MSHA penalties and $964 outstanding across 3 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
26
Years on record
1986–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2001
100
citations
28
significant & substantial
$16,150
proposed penalties
$15,186
paid to date
94% of proposed penalties paid to date, a $964 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
66
inspections on record
1,292
inspection hours
7.7
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.
100 citations across 1,292 inspection hours.
Source: MSHA inspections data, updated weekly.

Maumee Quarry has $16K in proposed MSHA penalties and $964 outstanding across 3 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.
$16K
proposed penalties
$16K
current assessed
$15K
paid to date
$964
outstanding
89 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-02-04.
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 6,814 0 0 0.0
2025 Q3 8,189 0 0 0.0
2025 Q2 8,370 0 0 0.0
2025 Q1 6,004 3 0 499.7
2024 Q4 6,307 0 0 0.0
2024 Q3 8,617 0 0 0.0
2024 Q2 9,304 4 2 429.9
2024 Q1 11,303 2 2 176.9
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 8,099 0 0 0.0
2023 Q3 8,918 2 0 224.3
2023 Q2 8,023 0 0 0.0
2023 Q1 5,945 0 0 0.0
2022 Q4 9,332 7 0 750.1
2022 Q3 9,255 3 1 324.1
2022 Q2 8,200 0 0 0.0
2022 Q1 6,181 1 0 161.8
2021 Q4 7,246 0 0 0.0
2021 Q3 10,556 2 1 189.5
2021 Q2 8,531 0 0 0.0
2021 Q1 6,762 0 0 0.0
2020 Q4 6,840 3 0 438.6
2020 Q2 7,336 0 0 0.0
2020 Q1 3,724 2 1 537.1
2019 Q4 7,895 0 0 0.0
2019 Q3 9,036 0 0 0.0
2019 Q2 7,993 7 3 875.8
2019 Q1 5,488 1 0 182.2
2018 Q4 6,065 0 0 0.0
2018 Q3 6,131 0 0 0.0
2018 Q2 6,280 1 0 159.2
2018 Q1 6,934 1 0 144.2
2017 Q4 8,373 0 0 0.0
2017 Q3 8,697 0 0 0.0
2017 Q2 6,881 0 0 0.0
2017 Q1 4,239 0 0 0.0
2016 Q4 9,456 0 0 0.0
2016 Q3 8,367 0 0 0.0
2016 Q2 8,043 0 0 0.0
2016 Q1 6,832 0 0 0.0
2015 Q4 6,624 2 1 301.9
2015 Q3 6,835 0 0 0.0
2015 Q2 6,039 0 0 0.0
2015 Q1 4,533 0 0 0.0
2014 Q4 5,746 1 0 174.0
2014 Q3 6,068 4 1 659.2
2014 Q2 7,277 0 0 0.0
2014 Q1 3,341 1 0 299.3
2013 Q4 6,553 0 0 0.0
2013 Q3 7,530 0 0 0.0
2013 Q2 6,702 2 0 298.4
2013 Q1 2,946 0 0 0.0
2012 Q4 5,399 0 0 0.0
2012 Q3 6,411 3 1 467.9
2012 Q2 6,784 2 1 294.8
2012 Q1 3,460 3 1 867.1
2011 Q4 5,152 0 0 0.0
2011 Q3 5,547 1 0 180.3
2011 Q2 5,574 0 0 0.0
2011 Q1 3,458 0 0 0.0
2010 Q4 7,368 0 0 0.0
2010 Q3 5,899 0 0 0.0
2010 Q2 7,228 1 1 138.4
2010 Q1 3,161 0 0 0.0
2009 Q4 5,404 0 0 0.0
2009 Q3 7,065 1 1 141.5
2009 Q2 7,593 0 0 0.0
2009 Q1 1,999 0 0 0.0
2008 Q4 6,548 0 0 0.0
2008 Q3 7,219 0 0 0.0
2008 Q2 6,373 0 0 0.0
2008 Q1 8,016 0 0 0.0
2007 Q4 8,966 2 1 223.1
2007 Q3 11,303 1 0 88.5
2007 Q2 11,981 0 0 0.0
2007 Q1 9,694 1 0 103.2
2006 Q4 9,509 0 0 0.0
2006 Q3 11,838 0 0 0.0
2006 Q2 10,948 0 0 0.0
2006 Q1 9,816 0 0 0.0
2005 Q4 9,115 1 0 109.7
2005 Q3 12,081 0 0 0.0
2005 Q2 10,686 5 0 467.9
2005 Q1 10,717 0 0 0.0
2004 Q4 10,548 0 0 0.0
2004 Q3 13,373 0 0 0.0
2004 Q2 12,447 4 1 321.4
2004 Q1 10,962 0 0 0.0
2003 Q4 10,552 1 1 94.8
2003 Q3 12,087 3 2 248.2
2003 Q2 10,023 0 0 0.0
2003 Q1 8,383 0 0 0.0
2002 Q4 9,599 1 1 104.2
2002 Q3 10,116 1 1 98.9
2002 Q2 8,710 0 0 0.0
2002 Q1 8,396 3 0 357.3
2001 Q4 8,598 0 0 0.0
2001 Q3 10,357 0 0 0.0
2001 Q2 8,228 0 0 0.0
2001 Q1 6,944 5 2 720.0
2000 Q4 9,510 0 0 0.0
2000 Q3 11,067 0 0 0.0
2000 Q2 10,760 0 0 0.0
2000 Q1 8,840 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

26 on file

2025 · 2 incidents

September 29, 2025 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Stoneco Inc · Struck against a moving object

Employee was returning to the pit from primary. As EE neared the bottom of the long ramp, the auto retarder engaged which caused EE's shoulder belt to lock up and slip up EE's neck. Strain to unspecified parts of the neck.

September 24, 2025 OH · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator MACHINERY
Stoneco Inc · Struck by falling object

Fell, hard hat came off and rock fell from the overhead chute and hit me in the head.

2024 · 2 incidents

July 31, 2024 OH · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey DISORDERS (PHYSICAL AGENTS)
Stoneco Inc · Contact with heat

Loading a shot, became dehydrated

January 18, 2024 OH · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Stoneco Inc · Fall to the walkway or working surface

Employee stepped on a patch or ice/snow causing employee to slip and fall on left side. After they fell, they stated their knee was sore.

2022 · 1 incident

August 12, 2022 OH · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Stoneco Inc · Fall to the walkway or working surface

Employee Statement - Put tubes out. Had one remaining and took it to stemming pile where extra tubes are kept. Walking back to drill, I slipped on some stemming #6 stones that were on top of smooth bedrock. My right foot went up and my left foot ended up underneath me. I felt my left ankle pop.

2021 · 1 incident

August 23, 2021 OH · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS
Stoneco Inc · Caught in, under or between a moving and a stationary object

Employee pinched a hand in between a hinged step and the skid steer bucket that was assisting them.

2007 · 1 incident

November 9, 2007 OH · Metal/Non-Metal electrician, lineman ELECTRICAL
Stoneco Inc · Flash burns (electric)

Employee was working on replacing a twenty amp circuit breaker. Employee de-energized panel by turning 100 amp main circuit breaker off. Leads on primary side of main circuit breaker shorted and caused flash.

2006 · 1 incident

August 1, 2006 OH · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Stoneco Inc · Struck against a moving object

EE was cleaning up after a shot and he didn't have his buckel all the way down on the ground, He ran over a rock. That made his upper body twist and his head hit the center post in the cab. He cut his head on the left side and had to get 2 staples in his head. I took him to hospital. He returned to work with out restrictions.

2005 · 2 incidents

August 31, 2005 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Stoneco Inc · Fall from machine

While climbing up into the terex haul truck (45 ton #26.8939) His right foot slipped off the step, causing him to fall He fell about 4 ft. He said he had pain in right foot and right knee. About and hour after accident he went to St. Lukes Hospital. They took x rays and was discharge )sprain right knee and ankle). He had wet shoes when he went to get into the truck.

February 23, 2005 OH · Metal/Non-Metal electrician, lineman OTHER
Stoneco Inc · (Not Elsewhere Classified)

EE ROLLED A ROLL OF WIRE ONTO ITS SIDE IN ORDER TO ROLL IT TO JOB TRAILER. EE FELT PAIN IN CHEST AND EXPERIENCED SHORTNESS OF BREATH. EMERGENCY PERSONNEL WERE CALLED AND TRANSPORTED TO HOSPITAL. IT WAS SUSPECTED THAT THE EE WAS SUFFERING A HEART ATTACK

2004 · 1 incident

December 15, 2004 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Stoneco Inc · Struck against stationary object

While walking under conveyor 110 towards the service truck employee stepped over a small pile of rocks, and when his weight was on his left foot the small rock he was standing on rolled and he lost his balance and twisted his left ankle.

2003 · 1 incident

March 20, 2003 OH · Metal/Non-Metal

EE WAS FUELING UP LOADER AT THE END OF HIS SHIFT, HE HAD ONE HAND ON THE LOADER AND ONE HAND ON THE FUEL HOSE. EE WAS GETTING OFF THE LOADER WHEN HE SLIPPED OFF THE LADDER OF LOADER & FELL BAC KWARDS HITTING HIS BACK ON THE GUARD RAIL.

1998 · 2 incidents

November 20, 1998 OH · Metal/Non-Metal drill operator MACHINERY
Stoneco Inc · Contact with hot objects or substances

EE WAS WELDING ON A PIPE AND HE CHIPPED THE WELD AND GOT A PIECE OF SLAG IN HIS EYE. WASH EYE OUT WITH BUFFERED USUHING SOLUTION. EE THAN WENT TO HOPSITAL TO GET CHECK OUT BETTER. AFTER TAIL T O EE ON 1-6-99 WITH EE WE FOND OUT THAT HE HAD TO SEE EYE DR. THREE TIME TO CHECK FOR INFLICTION. THIS IS WHY THIS REPORT IN LATE.

April 21, 1998 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Stoneco Inc · Caught in, under or between (Not Elsewhere Classified)

WE WAS PULLING A PULLEY WITH A COMEALONG WHEN EEPICK UP THE OTHER SIDE OF THE PULLEY WITH HIS HAND, AND THE PULLEY WENT IN REAL FAST AND CRUSH HIS FINGER. 3 SUTURES WERE NEEDED

1997 · 2 incidents

October 27, 1997 OH · Metal/Non-Metal loader head operator, roscoe operator STRIKING OR BUMPING
Stoneco Inc · Struck against stationary object

EMPLOYEE WAS CLEANING UP UNDER THE CONVEYOR, ANDTURNED AROUND TO GET UP, AND HIT LADDER.

September 16, 1997 OH · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Stoneco Inc · Struck against a moving object

SPINAL AREA HAD BEEN BRUISED, BY DIGGING TOW IT MADE HIS BACK BOUNCED BACK INTO THE SEAT.

1996 · 2 incidents

April 29, 1996 OH · Metal/Non-Metal mine manager, mine foreman, mine owner POWERED HAULAGE
Stoneco Inc · Struck by... (Not Elsewhere Classified)

PUT WATER LINE IN LOADER BUCKET TO TURN AROUND TO THE OTHER SIDE OR PUMP HOLE. WHEN THE LINE GOT ABOUT 3/4 OF THE WAY AROUND IT SLIPPED UNDER THE LOADER BUCEKT AND CONE AROUND THE SIDE OF THEL OADER, AND HIT MY WRIST.

April 19, 1996 OH · Metal/Non-Metal drill operator MACHINERY
Stoneco Inc · Struck against a moving object

AFTER HE GOT DONE DRILLING A HOLE HE LET HIS JACKS DOWN AND THE DRILL WENT OVER THE WALL.

1995 · 1 incident

July 7, 1995 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Stoneco Inc · Fall from machine

DRIVING HAUL TRUCK FROM MILL TO STONE PILE GOT BACK TO THE MILL AND GETTING OUT OF TRUCK, SLIPPED OFF THE BOTTOM STEP AND TWISTED HIS BACK.

1992 · 2 incidents

June 19, 1992 OH · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Stoneco Inc · Struck against stationary object

STRUCK EDGE OF ELECTRICAL ENCLOSURE WHILE REMOVING CONNECTOR CAUSING CUT FINGER. FINGER REQUIRED 3 STITCHES.

April 25, 1992 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Stoneco Inc · Struck by... (Not Elsewhere Classified)

HITTING WEDGE WITH HAMMER, VISE WEDGE AND HIT HIS KNEE.

1990 · 2 incidents

September 6, 1990 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Stoneco Inc · Struck against a moving object

NORMAL CONDITIONS HAUL ROAD WAS CLEAR, WEATHER CONDITIONS WERE SUNNY & WARM. THE TRUCK STRUCK THE BERM ON THE LEFT SIDED HAUL ROAD & OVER TURNED RESULTING IN LIGHT DAMAGE TO TRUCK AND A CUT TO THE BACK OF THE HEAD AND A CONCUSSION TO THE DRIVER.

February 26, 1990 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Stoneco Inc · Fall to the walkway or working surface

ICE AND SNOW WAS ON THE GROUND, LOWERMILL OPERATOR WAS WALKING UP TO OFFICE AND FELL DOWN BRUISED RIBS.

1989 · 1 incident

June 26, 1989 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Stoneco Inc · Struck against a moving object

A TRUCK DRIVER NOT FULLY UNDERSTANDING HAZARDS OF DUMPING OFF THE TOP OF THE PILE BACKED THE R REAR TIRES OFF THE EDGE THUS CAUSING THE TRUCK TO FLIP OFF THE PILE MINOR BRUISES AND BUMP TO THE HEAD OF THE OPERATOR ETENSIVE DAMAGE TOT HE HAUL TRUCK

1986 · 2 incidents

May 14, 1986 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Stoneco Inc · Over-exertion (Not Elsewhere Classified)

TRYING TO DISLO8GE STOVE , STUCK IN CRUSHER ABRASION TO FOREHEAD.

April 8, 1986 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Stoneco Inc · Caught in, under or between (Not Elsewhere Classified)

WHILE RUNNING A9OUND HIS TRUCK TO CLOSE A BIN GATE HE REACHED OUT GRABBING ON THE BUMPER OF HIS TRUCK. HIS RING WAS CAUGHT ON THE ROUGH EDGE THROWING HIM TO THE GROUND RESULTS 7 STITCHES ON R ING FINGER. 3

For insurers, brokers, and safety consultants

The full compliance file on Maumee 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.