Mining Incidents

North Indianapolis Underground Quarry Metal/Non-Metal

Indianapolis, Hamilton County, IN  ·  Active
MSHA Mine ID: 1201993

North Indianapolis Underground Quarry has $79K in proposed MSHA penalties and $0 outstanding across 6 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
47
Years on record
1988–2024
Latest incident
Oct 2024
Compliance record
MSHA citations since 2000
190
citations
63
significant & substantial
$79,426
proposed penalties
$76,343
paid to date
96% of proposed penalties paid to date, a $3,083 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
141
inspections on record
3,114
inspection hours
6.1
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.
190 citations across 3,114 inspection hours.
Source: MSHA inspections data, updated weekly.

North Indianapolis Underground Quarry has $79K in proposed MSHA penalties and $0 outstanding across 6 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.
$79K
proposed penalties
$76K
current assessed
$76K
paid to date
$0
outstanding
187 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2026-04-15.
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 11,686 0 0 0.0
2025 Q3 11,018 2 2 181.5
2025 Q2 14,085 1 1 71.0
2025 Q1 11,311 2 1 176.8
2024 Q4 12,409 12 5 967.0
2024 Q3 13,242 5 3 377.6
2024 Q2 14,152 3 2 212.0
2024 Q1 9,731 2 2 205.5
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 13,390 3 1 224.0
2023 Q3 12,663 4 3 315.9
2023 Q2 12,147 2 2 164.6
2023 Q1 9,650 4 3 414.5
2022 Q4 12,070 5 3 414.3
2022 Q3 15,797 7 3 443.1
2022 Q2 15,492 0 0 0.0
2022 Q1 10,234 3 1 293.1
2021 Q4 13,616 6 4 440.7
2021 Q3 12,974 3 0 231.2
2021 Q2 12,461 3 1 240.8
2021 Q1 9,121 2 0 219.3
2020 Q4 13,231 1 0 75.6
2020 Q3 14,583 2 0 137.1
2020 Q2 15,090 3 1 198.8
2020 Q1 7,900 5 2 632.9
2019 Q4 11,873 3 1 252.7
2019 Q3 11,611 1 0 86.1
2019 Q2 11,425 1 0 87.5
2019 Q1 7,115 2 1 281.1
2018 Q4 11,026 3 1 272.1
2018 Q3 11,086 1 0 90.2
2018 Q2 11,086 2 0 180.4
2018 Q1 8,450 2 1 236.7
2017 Q4 13,037 2 1 153.4
2017 Q3 11,710 2 0 170.8
2017 Q2 10,448 0 0 0.0
2017 Q1 8,801 0 0 0.0
2016 Q4 10,758 1 0 93.0
2016 Q3 10,580 9 3 850.7
2016 Q2 9,005 3 0 333.1
2016 Q1 7,812 1 0 128.0
2015 Q4 9,521 5 1 525.2
2015 Q3 8,368 5 3 597.5
2015 Q2 15,002 2 0 133.3
2015 Q1 5,400 1 0 185.2
2014 Q4 9,144 1 1 109.4
2014 Q3 7,975 1 0 125.4
2014 Q2 7,940 2 1 251.9
2014 Q1 2,303 0 0 0.0
2013 Q4 8,467 0 0 0.0
2013 Q3 8,596 0 0 0.0
2013 Q2 7,566 1 0 132.2
2013 Q1 3,008 0 0 0.0
2012 Q4 7,728 0 0 0.0
2012 Q3 8,806 2 0 227.1
2012 Q2 9,489 0 0 0.0
2012 Q1 4,059 0 0 0.0
2011 Q4 8,190 4 1 488.4
2011 Q3 9,684 0 0 0.0
2011 Q2 8,655 5 1 577.7
2011 Q1 3,527 0 0 0.0
2010 Q4 9,969 3 1 300.9
2010 Q3 10,284 0 0 0.0
2010 Q2 10,411 4 2 384.2
2010 Q1 5,338 1 0 187.3
2009 Q4 11,641 4 0 343.6
2009 Q3 9,539 0 0 0.0
2009 Q2 10,571 2 0 189.2
2009 Q1 3,610 3 0 831.0
2008 Q4 10,308 0 0 0.0
2008 Q3 10,284 0 0 0.0
2008 Q2 10,772 0 0 0.0
2008 Q1 5,108 2 0 391.5
2007 Q4 18,004 1 0 55.5
2007 Q3 12,235 3 0 245.2
2007 Q2 13,643 1 0 73.3
2007 Q1 10,775 1 0 92.8
2006 Q4 10,180 0 0 0.0
2006 Q3 10,003 0 0 0.0
2006 Q2 10,026 2 1 199.5
2006 Q1 9,195 2 0 217.5
2005 Q4 10,534 1 0 94.9
2005 Q3 10,923 1 0 91.5
2005 Q2 10,545 0 0 0.0
2005 Q1 9,650 0 0 0.0
2004 Q4 10,841 0 0 0.0
2004 Q3 9,209 1 0 108.6
2004 Q2 9,304 0 0 0.0
2004 Q1 8,813 3 1 340.4
2003 Q4 8,689 2 0 230.2
2003 Q3 8,095 0 0 0.0
2003 Q2 8,650 1 1 115.6
2003 Q1 6,127 0 0 0.0
2002 Q4 8,418 0 0 0.0
2002 Q3 8,375 2 0 238.8
2002 Q2 11,235 0 0 0.0
2002 Q1 8,642 0 0 0.0
2001 Q4 12,456 2 0 160.6
2001 Q3 11,819 0 0 0.0
2001 Q2 11,687 0 0 0.0
2001 Q1 9,384 2 0 213.1
2000 Q4 11,346 0 0 0.0
2000 Q3 12,423 0 0 0.0
2000 Q2 12,491 1 1 80.1
2000 Q1 8,884 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

47 on file

2024 · 1 incident

October 10, 2024 IN · Metal/Non-Metal FIRE
Martin Marietta Materials Inc · Accident type, without injuries

Flames were noticed on the truck by the blasters when prepping the face to be loaded with explosives. Mine was evacuated.

2019 · 1 incident

2005 · 5 incidents

December 19, 2005 IN · Metal/Non-Metal utility man, errand boy, service truck operator POWERED HAULAGE
Martin Marietta Materials Inc · Struck against a moving object

Employee was operating his loader in the mine when he moved suddenly and hit his head on the heater control knobs.

November 18, 2005 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
Martin Marietta Materials Inc · Caught in, under or between (Not Elsewhere Classified)

While closing magazine door on powder monkey, he was holding one door closed with left hand and slammed the second door with right hand. When the door slammed shut, it shut on his finger.

October 4, 2005 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler MACHINERY
Martin Marietta Materials Inc · Struck against a moving object

Employee was travelling through the mine on his roof bolter when he hit a hole that resulted in a neck strain

April 12, 2005 IN · Metal/Non-Metal scoop tram operator, load/haul/dump operator POWERED HAULAGE
Martin Marietta Aggregates · Struck against a moving object

Employee was operating a Haul Truck when he hit a bump and his head struck the padded ceiling of the LHD.

2004 · 5 incidents

July 28, 2004 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

Employee was using a pry bar to assist in getting a wheel on the hub lugs when he strained his shoulder.

May 19, 2004 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Aggregates · Struck by... (Not Elsewhere Classified)

Employee was sitting at desk completing paperwork when he felt something in his eye.

May 4, 2004 IN · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) HANDLING OF MATERIALS
Martin Marietta Aggregates · Over-exertion in lifting objects

Employee was carrying bolts to his basket when they shifted twisting his shoulder

March 26, 2004 IN · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

Employee was evading a small rock falling from the back and twisted his lower back

2003 · 1 incident

2002 · 1 incident

May 2, 2002 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS WORKING ON ENGINE WHEN THE HOOD CAME DOWN AND FORCED HIS FACE INTO THE ENGINE CAUSING A LACERATION TO HIS FOREHEAD.

2001 · 2 incidents

June 4, 2001 IN · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall from machine

EE WAS MOUNTING HIS EQUIPMENT WHEN HE SLIPPED AND FELL ON THE CATWALK BRUISING HIS TAILBONE.

March 17, 2001 IN · Metal/Non-Metal miner, nec FALL OF ROOF OR BACK
Martin Marietta Aggregates · Struck by falling object

EE WAS ADJACENT TO THE FACE INSPECTING HIS WORK WHEN A SMALL ROCK FELL FROM THE BACK, BOUNCING OFF OF THE FACE AND INTO THE OPEN DOOR OF THE SCALER, STIRKING HIM ON THE HAND.

2000 · 1 incident

October 3, 2000 IN · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler MACHINERY
Martin Marietta Aggregates · Struck against a moving object

OPERATING GRADALL SCALER STARTTED COMPLAINING OF SORENESS IN LOWER BACK. DR ISSUED RESTRICETEDWORK ACTIVITY

1999 · 6 incidents

November 29, 1999 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

EE WAS CLIMBING UP THE LADDER TO OPERATORS CAB WHEN HE PULLED A MUSCLE IN HIS SHOULDER; NO ACCIDENTS OCCURRED.

August 6, 1999 IN · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler FALL OF ROOF OR BACK
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object

EE WAS IN A BUCKET TRUCK BASKET HAND SCALING W/ANOTHER EE WHEN HE TOOK A REST AND WAS WATCHING THE OTHER EE S WORK WHEN A ROCK FALL FROM THE BACK CRUSHING HIS HAND AGAINST THE BASKET RAILING.

April 12, 1999 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall to the walkway or working surface

EE WAS WADING THROUGH WATER UNDERGROUND WHILE CARRYING A PIN THAT FELL OFF OF THE EQUIPMENT HE WAS DRIVING WHEN HE TRIPPED OVER A ROCK UNDER THE WATER AND FELL ON HIS RIGHT ELBOW AND SHOULDER.

April 1, 1999 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall down stairs

EE WAS EXCITING THE PLANT & STEPPED ON A SLICK FLOOR PLATE, FELL & INJ HIS BACK

March 19, 1999 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler HANDLING OF MATERIALS
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

EE WAS HANDING TOOLS TO OTHER EE'S SPLICING A BELT WHEN HE TWISTED AWKARDLY & HURT HIS BACK

1998 · 6 incidents

November 4, 1998 IN · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object

ROOF BOLT FELL, MASHING LEFT THUMB AGAINST BOLT DRIVER.

October 12, 1998 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object

EMPLOYEE MASHED FINGER WHILE MANUALLY LOADING A DRILL HAMMER ON A PALLET.

September 8, 1998 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey FALL OF ROOF OR BACK
Martin Marietta Aggregates · Struck by falling object

SOFTBALL SIZED ROCK FELL FROM BACK AND STRUCK HIM ON THE LEFT SHOULDER WHILE ASSISTING POWDERMAN CHECKING MISFIRE. INITIAL INJURIES WERE DETERMINED TO BE FIRST AID. IMPINGEMENT OF SHOULDER OCC URRED OVER TIME RESULTING IN NEED FOR SURGERY.

June 24, 1998 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler POWERED HAULAGE
Martin Marietta Aggregates · Struck against a moving object

EE WAS BEING TRANSPORTED FROM MINE FOR AN EVACUATION FIRE DRILL THE PICK UP TRUCK HIT A BUMP AND HE WAS BOUNCED AND HIT HIS TAIL BONE.

1997 · 3 incidents

November 14, 1997 IN · Metal/Non-Metal front-end loader operator SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall from machine

EE SLIPPED, FELL & CAUGHT HIMSELF WHILE FUELING A LOADER. INITIAL INJURY FIRST AID. EE CONTINUED WITH PROBLEMS. MEDICAL TREATMENT & LOST TIME.

1996 · 3 incidents

June 8, 1996 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey POWERED HAULAGE
American Aggregates Corp · Struck against a moving object

EE WAS SWINGING THE BOOM ACROSS THE FACE AND IT STOPPED ON ITS OWN AND SLAMED HIS BACK INO THERIALING AND BENT HI BACKKWARDS.

April 4, 1996 IN · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) HANDLING OF MATERIALS
American Aggregates Corp · Over-exertion in pulling or pushing objects

EE PULLED ROOF BOLTS OUT OF THE ROOF BOLT CARRIER ON THE ROOF BOLTER AND HE PULLED A MUSCLE IN HIS BACK.

March 26, 1996 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
American Aggregates Corp · Struck against stationary object

EE WAS LOADING THE BOTTOM OF THE FACE WHEN HE TRIPPED ON A ROCK AND SLAMMED HIS LEFT FOOT DOWN ON A ROCK.

1995 · 1 incident

August 10, 1995 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
American Aggregates Corp · Struck against stationary object

EE WAS PULLING A PLATE SCREEN AWAY FROM THE WALL. THE SCREEN SLIPPED OUT O HIS HAND AND IT PULLED HIS FINGER INTO THE WALL & SMASHED IT.

1994 · 1 incident

July 18, 1994 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDTOOLS (NONPOWERED)
American Aggregates Corp · Struck by... (Not Elsewhere Classified)

INJURED WAS CUTTING THE BELT ON THE STACKER. HE CLIMBED BEHIND THE BELT CLAMP THAT WAS SECURED. WHEN HE COMPLETED THE CUT, HE LOST HIS BALANCE, FELL FORWARD AND CUT HIS RIGHT BICEP WITH THE KNIFE THAT WAS IN HIS LEFT HAND.

1993 · 2 incidents

August 27, 1993 IN · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss HANDTOOLS (NONPOWERED)
American Aggregates Corp · Struck by flying object

EMPLOYEE WAS HAMMERING ON A BUSHING AND A PIECE OF METAL FLEW OFF AND HIT HIS RIGHT HAND. AT THE TIME THE PAPERWORK WAS FILLED OUT, ON 8/30/93, EMPLOYEE'S HAND WAS A LITTLE SORE. ON 8/31/93, E MPLOYEE'S HAND BECAME SWOLLEN AND THEN EMPLOYEE WENT TO THE CLINIC. THE DOCTOR CUT OPEN EMPLOYEE'S HAND AND REMOVED A PIECE OF METAL.

January 22, 1993 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
American Aggregates Corp · Struck by falling object

EMPLOYEE WAS LOADING A SUPPORT FRAME AND IT FELL ON HIS SHOULDER.

1992 · 1 incident

1991 · 2 incidents

April 10, 1991 IN · Metal/Non-Metal driller operator HANDTOOLS (NONPOWERED)
American Aggregates Corp · Fall onto or against objects

EE WAS WORKING ON 2 CONVEYOR SPEED REDUCER TAKING THE BOLTS OFF THE MOTOR TO REMOVE THE BELTS THE WRENCH SLIPPED OFF HE LOST HIS BALANCE AND FELL BACK ACROSS THE HEAD BOX WITH HIS RIGHT LEG HU NG UNDER THE BELT. HE HAD BEEN STADING IN OIL EARLIER.

April 2, 1991 IN · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
American Aggregates Corp · Struck by... (Not Elsewhere Classified)

EE WAS PRYING THE BOTTOM SCREEN UP ON THE 6X16 SHAKER WITH A PRYBAR AND THE PRYBAR SLIPPED AND HIT HIM IN THE LEFT EAR KNOCKING HIS HARD HAT OFF.

1990 · 1 incident

June 18, 1990 IN · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler HANDTOOLS (NONPOWERED)
American Aggregates Corp · Fall onto or against objects

EMPLOYEE WAS PRYING ON SIDE RAIL AND IT BROKE LOOSE, HE THEN FELL WHEN HE LOST HIS BALANCE AND HIT HIS HEAD ON A CROWN BAR.

1989 · 1 incident

September 28, 1989 IN · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss HANDTOOLS (NONPOWERED)
American Aggregates Corp · Struck by... (Not Elsewhere Classified)

WHILE ASSITING AN EMPLOYEE, HE WAS HOLDING A PRY BAR UNTIL THE EMPLOYEE COULD CHAINGE INTO A BETTER POSTION, WHEN HE BEGAN TO PULL THE BAR SLIPPED AND STRUCK HIS FINGER.

1988 · 3 incidents

November 7, 1988 IN · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
American Aggregates Corp · Over-exertion in lifting objects

EMP LIFTING 50 LB BAG ONT TRUCK WHEN HE TWISTED B ACK

October 4, 1988 IN · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) STEPPING OR KNEELING ON OBJECT
American Aggregates Corp · Struck against stationary object

EMPLOYEE WAS RELOADING BOLT MAGAZINE ON THE ROOF BOLTER WHEN HE STEPPED ON A ROCK AND TWISTED HIS ANKLE.

July 28, 1988 IN · Metal/Non-Metal driller operator SLIP OR FALL OF PERSON
American Aggregates Corp · Fall from machine

EMP WA> USING A LIFT BACKET TO REACH A BLAST HOLE THE BASKET WA> NOT ING TGHE POPER POSITION TO REACH THE HOLE THE EMP OPENED THE GATE TO TRY TO REACH HOLE WHEN HIS FOOT SLIPPED AND HE FEL L APPROX. 15 FT. TO THE MINE FLOOR IT SHOULD BE NOTED THAT EMP WAS WARNED AGAINST THIS SAME ACT ON 7-11-88

For insurers, brokers, and safety consultants

The full compliance file on North Indianapolis Underground 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.