Mining Incidents

Rapid City Quarry Metal/Non-Metal

Simon Contractors · Surface
Controlled by Colas S A
Rapid City, Pennington County, SD  ·  Active
MSHA Mine ID: 3900014

Rapid City Quarry has $13K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
36
Years on record
1986–2024
Latest incident
Oct 2024
Compliance record
MSHA citations since 2000
74
citations
6
significant & substantial
$13,272
proposed penalties
$12,886
paid to date
97% of proposed penalties paid to date, a $386 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
71
inspections on record
954
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: 954 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Rapid City Quarry has $13K in proposed MSHA penalties and $0 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.
$13K
proposed penalties
$13K
current assessed
$13K
paid to date
$0
outstanding
70 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-03-04.
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 5,720 0 0 0.0
2025 Q3 7,428 3 0 403.9
2025 Q2 8,852 0 0 0.0
2025 Q1 5,964 5 1 838.4
2024 Q4 6,779 0 0 0.0
2024 Q3 7,908 0 0 0.0
2024 Q2 5,329 1 0 187.7
2024 Q1 6,574 6 1 912.7
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 6,095 0 0 0.0
2023 Q3 7,485 5 1 668.0
2023 Q2 5,922 0 0 0.0
2023 Q1 6,038 0 0 0.0
2022 Q4 5,055 2 0 395.6
2022 Q3 8,260 0 0 0.0
2022 Q2 7,539 1 0 132.6
2022 Q1 5,740 0 0 0.0
2021 Q4 7,631 0 0 0.0
2021 Q3 10,512 0 0 0.0
2021 Q2 9,568 0 0 0.0
2021 Q1 3,678 3 0 815.7
2020 Q4 8,175 0 0 0.0
2020 Q3 12,649 1 0 79.1
2020 Q2 8,287 0 0 0.0
2020 Q1 3,048 0 0 0.0
2019 Q4 5,587 0 0 0.0
2019 Q3 10,807 0 0 0.0
2019 Q2 7,712 0 0 0.0
2019 Q1 1,231 3 0 2437.0
2018 Q4 6,775 0 0 0.0
2018 Q3 9,260 0 0 0.0
2018 Q2 7,848 0 0 0.0
2018 Q1 2,025 2 0 987.7
2017 Q4 4,646 0 0 0.0
2017 Q3 7,482 0 0 0.0
2017 Q2 7,119 0 0 0.0
2017 Q1 4,138 2 0 483.3
2016 Q4 6,781 0 0 0.0
2016 Q3 8,187 0 0 0.0
2016 Q2 7,206 3 1 416.3
2016 Q1 5,037 0 0 0.0
2015 Q4 6,710 3 0 447.1
2015 Q3 8,214 2 0 243.5
2015 Q2 7,802 0 0 0.0
2015 Q1 4,201 0 0 0.0
2014 Q4 7,652 0 0 0.0
2014 Q3 8,619 0 0 0.0
2014 Q2 7,514 0 0 0.0
2014 Q1 3,667 0 0 0.0
2013 Q4 5,719 0 0 0.0
2013 Q3 7,161 0 0 0.0
2013 Q2 6,999 1 0 142.9
2013 Q1 3,187 0 0 0.0
2012 Q4 5,135 0 0 0.0
2012 Q3 6,212 0 0 0.0
2012 Q2 6,444 0 0 0.0
2012 Q1 3,364 1 1 297.3
2011 Q4 5,168 0 0 0.0
2011 Q3 7,486 4 0 534.3
2011 Q2 6,438 0 0 0.0
2011 Q1 5,723 0 0 0.0
2010 Q4 5,867 0 0 0.0
2010 Q3 6,366 3 0 471.3
2010 Q2 4,439 0 0 0.0
2010 Q1 666 1 0 1501.5
2009 Q4 3,197 0 0 0.0
2009 Q3 4,469 8 0 1790.1
2009 Q2 4,808 0 0 0.0
2009 Q1 759 0 0 0.0
2008 Q4 6,480 0 0 0.0
2008 Q3 7,212 0 0 0.0
2008 Q2 5,052 0 0 0.0
2008 Q1 2,384 1 0 419.5
2007 Q4 7,673 0 0 0.0
2007 Q3 6,590 0 0 0.0
2007 Q2 4,803 0 0 0.0
2007 Q1 4,947 0 0 0.0
2006 Q4 6,796 0 0 0.0
2006 Q3 9,209 0 0 0.0
2006 Q2 6,844 0 0 0.0
2006 Q1 3,642 0 0 0.0
2005 Q4 7,941 0 0 0.0
2005 Q3 10,022 0 0 0.0
2005 Q2 8,351 1 0 119.7
2005 Q1 5,563 0 0 0.0
2004 Q4 9,049 0 0 0.0
2004 Q3 9,853 0 0 0.0
2004 Q2 9,248 0 0 0.0
2004 Q1 3,756 0 0 0.0
2003 Q4 8,263 0 0 0.0
2003 Q3 8,549 0 0 0.0
2003 Q2 9,710 0 0 0.0
2003 Q1 6,455 0 0 0.0
2002 Q4 10,915 0 0 0.0
2002 Q3 12,356 0 0 0.0
2002 Q2 11,743 0 0 0.0
2002 Q1 5,853 0 0 0.0
2001 Q4 10,517 2 0 190.2
2001 Q3 4,614 0 0 0.0
2001 Q2 4,539 0 0 0.0
2001 Q1 2,089 0 0 0.0
2000 Q4 8,768 0 0 0.0
2000 Q3 12,648 0 0 0.0
2000 Q2 8,468 0 0 0.0
2000 Q1 8,869 1 0 112.8
No fatalities recorded at this mine.

Reportable incidents

36 on file

2024 · 1 incident

October 11, 2024 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Simon Contractors · Struck against a moving object

Truck Driver became distracted for a moment while putting trash in their lunch box when hauling 1" DOT basecourse from the Blackhawk Quarry. Before they knew it the left steer tire was already over the left berm embankment as they were exiting the pit just before the scale. Resulting in the truck and pup to roll onto its left side.

2015 · 1 incident

July 17, 2015 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Simon Contractors · Struck by... (Not Elsewhere Classified)

Loader operator returned to his loader after lunch and turned on the air conditioner. When the air conditioner fan turned on, it blew out some dust and small debris into his face. Employee flushed out his eye and returned to work. The next day his eye was still irritated so he went to the doctor and was treated for a scratched cornea and prescribed antibiotic eyedrops.

2014 · 1 incident

November 3, 2014 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Hills Materials Company · Fall from machine

Driver slipped and fell on right leg and ankle while climbing into truck. Placed on light duty until 11/24/2014.

2010 · 1 incident

May 19, 2010 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STEPPING OR KNEELING ON OBJECT
Hills Materials Company · Struck against stationary object

Bin truck driver twisted left knee at the end of his shift. Saw Dr. on 5-20-10 and was released back to duty driving truck. 5-27-10 follow up with Dr., MRI referral and restricted duty thru 6-1-10. 6-1-10 follow up with Dr., referral to orthopedic surgeon and relased back to duty driving truck. Will update 7000-1 following appointment with orthopedic surgeion on 6-21-10.

2007 · 1 incident

December 6, 2007 SD · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

12-6-07 employee slipped on ice straining his left knee. Employee did not seek medical treatment. 12-11-07 employee reported that knee was not improving, supervisor took him to local clinic. Employee was examined, diagnosed with knee strain, released same day, told he could continue to operate water truck, but should undergo 4-8 sessions of physical therapy.

2005 · 2 incidents

December 14, 2005 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Hills Materials Company · Unclassified, insufficient data

Employee stated that his back was sore. He does not know why. Employee visited a doctor on 12/16/2005. Doctor suggested that short term physical therapy may help.

September 28, 2005 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in lifting objects

Control Room Operator strained lower back while lifting a jackhammer. Operator did not notify this office of the injury until October 3, 2005. Employee went to his doctor. Employee was released back to work the same day with lifting restrictions and referred to PT. PT says that restrictions will not affect the employee's ability to perform his normal routine duties.

1999 · 1 incident

September 23, 1999 SD · Metal/Non-Metal HANDTOOLS (NONPOWERED)
Hills Materials Company · Struck by falling object

A ROCK STUCK IN DOZER TRACK. EMPLOYEE PRIED ROCKOUT WITH A BAR. THE ROCK FELL ON EMPLOYEE'S RIGHT FOOT. X-RAYS TAKEN WERE NEGATIVE.

1998 · 3 incidents

August 17, 1998 SD · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in lifting objects

EE HELPING CHANGE SCREENS WHEN HE FELT SOMETHING SNAP BETWEEN HIS SHOULDER BLADES.

July 7, 1998 SD · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Hills Materials Company · Fall from machine

EE CLIMBING UP LADDER INTO HAUL TRUCK. HE SLIPPED AND FELL APPROXIMATELY 3 FEET.

March 18, 1998 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Hills Materials Company · Struck by flying object

REPLACING CONVEYOR BELT WHEN WIND BLEW DIRT IN EYE.

1997 · 2 incidents

October 1, 1997 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Hills Materials Company · Struck by flying object

TRUCK DRIVR HAULING WAST DIRT. WIND BLEW DIRT IN EYES.

February 10, 1997 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EE WAS CHIPPING SLAG FROM A WELD WHEN A PIECE OFTHE SLAG HIT HIM IN THE EYE.

1996 · 8 incidents

October 28, 1996 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Hills Materials Company · Struck by... (Not Elsewhere Classified)

AIR HOSE ON COMPRESSOR UNCOUPLED FROM VAVLE STRIKING EMPLOYEE IN THE HAND.

September 5, 1996 SD · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Hills Materials Company · Fall to the walkway or working surface

EMPLOYEE WAS WALKING ON SOME SHOT ROCK IN THE QUARRY. HE LOST HIS FOOTING AND FELL BACKWARDS LANDING ON HIS LEFT AND RIGHT ARMS. HIS RIGHT ELBOWSTARTED HURTING.

August 20, 1996 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Hills Materials Company · Struck by falling object

EE WAS CLEANING UNDER CONVEYOR. AN EIGHT INCH ROCK FELL OFF THE CONVEYOR, HITTING THE EE IN THE BACK.

August 6, 1996 SD · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler OTHER
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE STRAINED MUSCLE IN RIGHT FOREARM ON 08/16/96. HE DID NOT REPORT THE STRAIN OR SEE A DOCTOR UNTIL 09/10/96.

July 17, 1996 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EE POUNDING ON BEARING RACE. THE RACE BROKE AND A PIECE OF THE STEEL CUT EE ARM.

June 27, 1996 SD · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in lifting objects

EMPLOYEE ATTEMPTING TO MOVE 55 GALLON BARREL. STRAINED HIS BACK.

February 6, 1996 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in lifting objects

EE CARRYING SKID PLATES FOR PRIMARY CRUSHER. HE TURNED AND TWISTED, STRAINING HIS BACK.

1993 · 2 incidents

March 9, 1993 SD · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Hills Materials Company · Caught in, under or between a moving and a stationary object

EMPLOYEE MOVING A PIECE OF PLATE STEEL. IT SLIPPED AND HE CRUSHED FINGER BETWEEN PLATE AND ANCHOR BOLT.

February 11, 1993 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in lifting objects

EMPLOYEE WAS LIFTING LARGE NUT FOR 3 FOOT CONE CRUSHER. THIS CAUSED AN UMBILICAL HERNIA.

1992 · 1 incident

April 8, 1992 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Hills Materials Company · Struck against a moving object

OPER LOADER IT RAN OVER LG ROCK WHICH JAMMED BACK

1991 · 1 incident

September 3, 1991 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Hills Materials Company · Struck against stationary object

EMPLOYEE SHOVELING UNDENEATH APRON CONVEYOR.HE HIT HIS ELBOW ON THE SUPPORT BEAM,BRUISING HIS ELBOW.HE ALSO SPRAINED HIS BACK FROM THE TWISTING MOTION OF SHOVELING.

1990 · 3 incidents

October 3, 1990 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Hills Materials Company · Caught in, under or between (Not Elsewhere Classified)

CHANGING SCREENS SMASHED 3 FINGERS ON R HAND

June 25, 1990 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EE REMOVING GRATES FROM HAMMERMILL AND PLACING THEM ON GROUND. THE GRATE SLIPPED DURING REMOVAL INJURING FOUR FINGERS ON RIGHT HAND.

June 6, 1990 SD · Metal/Non-Metal outside foreman, leadman MACHINERY
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE REPLACING SCREEN. ONE OF THE LOCK WASHERS STARTED TO FALL. EMPLOYEE TRIED TO CATCH WASHER. HE HAD AN ELECTRIC IMPACT WRENCH IN HIS HAND. WHEN HE TRIED TO CATCH IT, HE TRIGGERED THE IM PACT WRENCH, WHICH HAD THE NUT IN THE SOCKET. THIS CAUSED THE NUT TO BE TURNED ON TO THE EMPLOYEE'S FINGER.

1989 · 5 incidents

December 1, 1989 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Hills Materials Company · Struck against stationary object

EMPLOYEE TIGHTENING BOLTS ON SCREEN. THE WRENCH SLIPPED OFF BOLT AND HE STRUCK ELBOW ON SCREEN.

June 8, 1989 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Hills Materials Company · Fall to lower level, (Not Elsewhere Classified)

EMPLOYEE CLEANING SPILLAGE IN SCREEN BUILDING. EMPLOYEE STEPPED ON COVER FOR BIN AND IT FELL THROUGH INTO BIN CAUSING EMPLOYEE TO ALSO FALL INTO BIN.

June 8, 1989 SD · Metal/Non-Metal POWERED HAULAGE
Hills Materials Company · Accident type, without injuries

EMPLOYEE HAD JUST FILLED WATER TRUCK AND WAS WATERING HAUL ROAD.TRUCK WAS DRIVING DIRECTLY INTO SUNSET.WINDSHIELD WAS DIRTY.EMPLOYE DRIVE INTO LEFT SHOULDER OF ROAD.LOAD ON TRUCK SHIFTED,CAUSI NG TRUCK TO OVERTURN.EMPLOYEE WAS WEARING SEAT BELT-NO INJURY SUSTAINED.

May 23, 1989 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Hills Materials Company · Fall onto or against objects

EMPLOYEE WAS STABDUBG IB TGREE FIIT LADDER LOADING QUARRY TRUCK OUT OF BIN. EMPLOYEE SLIPPED AND FELL ONTO TAG AXEL OF TRUCK, INJURING BACK.

May 9, 1989 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Hills Materials Company · Struck against a moving object

EMPLOYEE WAS CLEANING AREWA AROUND CRUSHER WITH BOBCAT LOADER HE RAISED BUCKET WITH LOAD TOO HIGH & THE BOBCAT TIPPED FORWARD EMPLOYEE STRUCK RT SHOULDER ON ROPS

1987 · 1 incident

December 8, 1987 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

QUARRY TRUCK DR3VER STEPPED DOWN FROM LADDER ON TRUCK AND SOMETHING POPPED IN HIS BACK.

1986 · 2 incidents

May 26, 1986 SD · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Hills Materials Company · Fall to the walkway or working surface

SLIPPED ON WET 1RASS AND INJURED RT HIP ARM AND JAMMED NECK

May 22, 1986 SD · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Hills Materials Company · Struck by falling object

LOADING TRUCK W2EN MATERIAL FELL FROM LOADING BINS INTO LEFT EYE

For insurers, brokers, and safety consultants

The full compliance file on Rapid City 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.