Mining Incidents

Maumee Quarry Metal/Non-Metal

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

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Fatalities
0
Total incidents
12
Years on record
2003–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2001
95
citations
27
significant & substantial
$16,150
proposed penalties
$15,186
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 6,814 0 0 0.0
2025 Q3 8,189 0 0 0.0
2025 Q1 1,618 3 0 1854.1
2024 Q4 3,996 0 0 0.0
2024 Q3 4,055 0 0 0.0
2024 Q2 2,024 4 2 1976.3
2024 Q1 7,654 2 2 261.3
2023 Q4 8,099 0 0 0.0
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

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 NO VALUE FOUND
Stoneco Inc · No Value Found

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.