Mining Incidents

Shamrock Sand & Gravel Metal/Non-Metal

Trenton, Butler County, OH  ·  Intermittent
MSHA Mine ID: 3304011

Shamrock Sand & Gravel has $14K 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
15
Years on record
1990–2018
Latest incident
Mar 2018
Compliance record
MSHA citations since 2000
85
citations
14
significant & substantial
$14,335
proposed penalties
$13,931
paid to date
97% of proposed penalties paid to date, a $404 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
60
inspections on record
926
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: 926 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Shamrock Sand & Gravel has $14K 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.
$14K
proposed penalties
$14K
current assessed
$14K
paid to date
$0
outstanding
85 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2023-06-01.
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 607 0 0 0.0
2025 Q3 304 0 0 0.0
2025 Q2 668 0 0 0.0
2025 Q1 500 0 0 0.0
2024 Q4 332 0 0 0.0
2024 Q3 580 0 0 0.0
2024 Q2 751 0 0 0.0
2024 Q1 2,211 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,579 0 0 0.0
2023 Q3 3,213 0 0 0.0
2023 Q2 3,372 1 0 296.6
2023 Q1 2,962 0 0 0.0
2022 Q4 4,411 0 0 0.0
2022 Q3 5,309 0 0 0.0
2022 Q2 4,230 0 0 0.0
2022 Q1 2,622 0 0 0.0
2021 Q4 4,027 0 0 0.0
2021 Q3 4,663 0 0 0.0
2021 Q2 4,223 0 0 0.0
2021 Q1 2,451 2 0 816.0
2020 Q4 3,419 0 0 0.0
2020 Q3 4,083 0 0 0.0
2020 Q2 4,747 0 0 0.0
2020 Q1 2,567 0 0 0.0
2019 Q4 4,311 0 0 0.0
2019 Q3 4,702 0 0 0.0
2019 Q2 4,565 1 0 219.1
2019 Q1 2,231 1 0 448.2
2018 Q4 3,779 0 0 0.0
2018 Q3 5,054 0 0 0.0
2018 Q2 5,267 0 0 0.0
2018 Q1 4,225 0 0 0.0
2017 Q4 4,816 0 0 0.0
2017 Q3 5,324 0 0 0.0
2017 Q2 5,169 0 0 0.0
2017 Q1 2,877 0 0 0.0
2016 Q4 4,755 4 0 841.2
2016 Q3 5,419 0 0 0.0
2016 Q2 5,037 0 0 0.0
2016 Q1 3,324 0 0 0.0
2015 Q4 4,981 1 0 200.8
2015 Q3 5,255 3 0 570.9
2015 Q2 4,473 0 0 0.0
2015 Q1 1,307 0 0 0.0
2014 Q4 1,245 0 0 0.0
2014 Q3 1,252 0 0 0.0
2014 Q2 1,369 0 0 0.0
2014 Q1 1,074 0 0 0.0
2013 Q4 3,660 0 0 0.0
2013 Q3 3,778 0 0 0.0
2013 Q2 5,396 0 0 0.0
2013 Q1 4,076 1 0 245.3
2012 Q4 3,302 5 0 1514.2
2012 Q3 3,118 4 2 1282.9
2012 Q2 3,538 0 0 0.0
2012 Q1 2,304 0 0 0.0
2011 Q4 3,733 0 0 0.0
2011 Q3 5,312 0 0 0.0
2011 Q2 3,786 2 0 528.3
2011 Q1 3,996 0 0 0.0
2010 Q4 5,592 3 0 536.5
2010 Q3 5,240 5 2 954.2
2010 Q2 4,485 0 0 0.0
2010 Q1 3,819 3 2 785.5
2009 Q4 2,261 0 0 0.0
2009 Q3 4,471 3 0 671.0
2009 Q2 4,563 0 0 0.0
2009 Q1 2,655 0 0 0.0
2008 Q4 4,181 0 0 0.0
2008 Q3 4,579 0 0 0.0
2008 Q2 5,004 0 0 0.0
2008 Q1 4,012 2 0 498.5
2007 Q4 4,772 2 0 419.1
2007 Q3 4,706 0 0 0.0
2007 Q2 4,674 9 3 1925.5
2007 Q1 4,443 0 0 0.0
2006 Q4 5,512 1 0 181.4
2006 Q3 6,047 6 2 992.2
2006 Q2 5,809 1 0 172.1
2006 Q1 5,095 1 0 196.3
2005 Q4 5,512 0 0 0.0
2005 Q3 5,536 1 0 180.6
2005 Q2 5,784 0 0 0.0
2005 Q1 5,120 0 0 0.0
2004 Q4 5,239 1 0 190.9
2004 Q3 5,111 3 0 587.0
2004 Q2 5,806 0 0 0.0
2004 Q1 4,328 3 1 693.2
2003 Q4 5,801 0 0 0.0
2003 Q3 4,406 4 1 907.9
2003 Q2 4,831 0 0 0.0
2003 Q1 3,750 0 0 0.0
2002 Q4 5,903 4 0 677.6
2002 Q3 6,112 2 1 327.2
2002 Q2 6,157 0 0 0.0
2002 Q1 5,413 3 0 554.2
2001 Q4 7,834 0 0 0.0
2001 Q3 5,402 0 0 0.0
2001 Q2 5,900 0 0 0.0
2001 Q1 5,303 1 0 188.6
2000 Q4 6,862 0 0 0.0
2000 Q3 5,964 0 0 0.0
2000 Q2 6,085 0 0 0.0
2000 Q1 6,849 2 0 292.0
No fatalities recorded at this mine.

Reportable incidents

15 on file

2018 · 1 incident

March 16, 2018 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc. · Struck by... (Not Elsewhere Classified)

The Blade from a Bosch Angle Cutter with Guard on it broke off and hit the workers hand cutting through the safety gloves ee was wearing. Was taken to Medical Facility where ee received 9 stitches.

2013 · 1 incident

March 4, 2013 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Shamrock Materials Inc. · Over-exertion in lifting objects

Miner was attempting to lift 16"X41"X1" piece of AR plate off ground. Plate slipped in left hand causing left arm to hyper extend and strain upper left arm.

2009 · 1 incident

April 8, 2009 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Shamrock Materials Inc. · Struck by... (Not Elsewhere Classified)

Miner was repairing a broken section of cattle fence when a stretched wire whipped back and struck him in the left eye. Miner was taken to hospital where he was prescribed antibiotic eye drops to prevent infection.

2005 · 1 incident

February 22, 2005 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Shamrock Materials Inc. · Over-exertion (Not Elsewhere Classified)

WHILE STEPPING DOWN FROM THE PIPE TO GROUND HE FELT A PAIN IN HIS KNEE. THE PIPE WAS APPROX 26" IN DIAMETER

2004 · 2 incidents

June 5, 2004 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Shamrock Materials Inc. · Caught in, under or between a moving and a stationary object

While hoisting a final drive gear box from a pickup truck utilizing an "autocrane" on mechanic's truck, the gear box pivoted and crushed the victim's rt index finger against the bed rail of the pickup truck.

February 13, 2004 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Shamrock Materials Inc. · Struck by flying object

THE INJURED PERSON FRO FOX TOWING WAS STRUCK BY WHINCH ROPE WHILE ATTEMPTING TO RECOVER A 980G FRONT END LOADER WHICH HAD BECOME STUCK. WHILE WINCHING, THE WIRE WINCH ROPE BROKE AND RECOILED BACK AND STRUCK INJURED.

2002 · 1 incident

January 4, 2002 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Shamrock Materials Inc. · Caught in, under or between (Not Elsewhere Classified)

EE STATED THAT WHILE SETTING A NEW BEARING HOUSING ASSEMBLY INTO PLACE ON THE CONCRETE SAND SCREW, THE HOUSING SLIPPED/FELL 3-4 INCHES CRUSHING FINGER BETWEEN HOUSING AND ANGLE IRON FRAMEWORK ON REAR OF CONCRETE SAND SCREW RESULTING IN A LACERATION. EE WAS WEARING LEATHER WORK GLOVES AT TIME OF INCIDENT.

1999 · 1 incident

February 15, 1999 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Shamrock Materials Inc. · Over-exertion (Not Elsewhere Classified)

EE STATED THAT WHILE ATTEMPTING CLIMB DOWN FROM EXCAVATOR, HE STATED THAT HIS LEFT HAND SLIPPED ON HANDRAIL CAUSING HIS BODY WEIGHT TO SHIFT QUICLY, RESULTING IN HIS RIGHT KNEE TO TWIST.

1997 · 1 incident

April 7, 1997 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Shamrock Materials Inc. · Fall from machine

AS EE WAS WELDING ON FEED HOPPER GRIZZLY, HIS FOOT SLIPPED OFF A CHANNEL IRON FLANGE & FELL APPROX. 10 FT. ONTO THE #1 PIT PORTABLE CONVEYOR LOCATED BELOW THE FEEDER DISCHARGE CONVEYOR BELT, R ESULTING IN A STRAIN TO THE EE'S RIGHT KNEE.

1996 · 1 incident

February 7, 1996 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Shamrock Materials Inc. · Struck by falling object

EMPLOYEE STATED THAT WHILE ATTEMPTING TO DISLODGE ROCK WHICH WAS JAMMED IN THE OVERSIZE CHUTE OF THE WASH PLANT, THE ROCK BOUNCED OFF OF THE CONVEYOR BELT RESULTING IN FINGER BEING CRUSHED BET WEEN THE ROCK AND THE CHUTE.

1995 · 2 incidents

September 18, 1995 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Shamrock Materials Inc. · Struck against a moving object

EMPLOYEE STATED THAT HE OPERATED A HAUL TRUCK OUTSIDE OF THE HAUL ROAD AREA AND HIT A RUT. HE STATED HE HIT HIS HEAD ON EITHER SIDE OF THE INSIDE OF THE CAB. HE SAID HE WAS WEARING SEATBELT AT TIME. WITNESS SAW EMPLOYEE'S TRUCK LEAVE HAUL ROAD, HIT BUMP AND COME TO A STOP.

January 26, 1995 OH · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Shamrock Materials Inc. · Struck by... (Not Elsewhere Classified)

EE STATED THAT HE WAS STRUCK BY GRINDER WHEEL WHEN GRINDER KICKED BACK AT HIM. EE WAS GRINDING WELDING SLAG OFF METAL.

1992 · 1 incident

June 24, 1992 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Shamrock Gravel Company Inc · Struck by falling object

USING CRANE TO REMOVE PILING 5/8" X 12" X 13' FROM TRUCK FLATBED OF TRAILER.CHAIN & HOOK USED FOR LIFTING EACH PIECE.PILING HIT TRAILER AND SWUNG OUT OF HOOK AND LANDED ON RIGHT FOOT TOE AREA.

1990 · 2 incidents

August 31, 1990 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Shamrock Gravel Company Inc · Struck by... (Not Elsewhere Classified)

WHIKE OPERATING FEEDER ON ROCK CRUSHER A ROCK BUOUNCED COUT AND STRUCK THE EE JUST ABOVE HIS SAFETY GLASSES CAUSING A 1/2 CUB IN THE BROW.

July 3, 1990 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Shamrock Gravel Company Inc · Over-exertion (Not Elsewhere Classified)

INJURED WAS LIFTING A SCREEN FOR A WASHPALNT.THE SCREEN FELL OFF THE BACK OF HIS PICK-UP TRUCK AND HE TRIED TO CATCH ONE END AND PULLED MUSCLES IN HIS BACK.

For insurers, brokers, and safety consultants

The full compliance file on Shamrock Sand & Gravel

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.