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Centennial Quarry Metal/Non-Metal

Controlled by Colas S A
Whitewood, Lawrence County, SD  ·  Active
MSHA Mine ID: 3901246

Centennial Quarry has $6K 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
16
Years on record
1988–2016
Latest incident
Jun 2016
Compliance record
MSHA citations since 2002
45
citations
2
significant & substantial
$6,322
proposed penalties
$6,162
paid to date
97% of proposed penalties paid to date, a $160 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
58
inspections on record
669
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: 669 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Centennial Quarry has $6K 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.
$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
45 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2025-07-29.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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 3,284 0 0 0.0
2025 Q3 2,619 1 0 381.8
2025 Q2 2,497 0 0 0.0
2025 Q1 1,755 0 0 0.0
2024 Q4 2,120 0 0 0.0
2024 Q3 1,934 0 0 0.0
2024 Q2 2,821 1 0 354.5
2024 Q1 1,934 0 0 0.0
Show 94 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,847 0 0 0.0
2023 Q3 3,627 7 0 1930.0
2023 Q2 3,615 0 0 0.0
2023 Q1 3,845 0 0 0.0
2022 Q4 3,769 0 0 0.0
2022 Q3 4,409 0 0 0.0
2022 Q2 3,352 1 0 298.3
2022 Q1 2,053 1 0 487.1
2021 Q4 3,909 0 0 0.0
2021 Q3 6,376 0 0 0.0
2021 Q2 5,649 5 0 885.1
2021 Q1 4,037 0 0 0.0
2020 Q4 4,712 8 0 1697.8
2020 Q3 5,962 0 0 0.0
2020 Q2 3,986 0 0 0.0
2020 Q1 1,707 0 0 0.0
2019 Q4 1,722 0 0 0.0
2019 Q3 2,009 0 0 0.0
2019 Q2 2,336 0 0 0.0
2019 Q1 1,106 0 0 0.0
2018 Q4 1,664 0 0 0.0
2018 Q3 3,182 0 0 0.0
2018 Q2 3,090 0 0 0.0
2018 Q1 1,568 3 0 1913.3
2017 Q4 2,568 0 0 0.0
2017 Q3 5,078 0 0 0.0
2017 Q2 5,398 0 0 0.0
2017 Q1 1,994 1 0 501.5
2016 Q4 3,324 0 0 0.0
2016 Q3 7,060 0 0 0.0
2016 Q2 6,082 2 0 328.8
2016 Q1 2,067 0 0 0.0
2015 Q4 2,716 0 0 0.0
2015 Q3 6,488 0 0 0.0
2015 Q2 3,736 1 0 267.7
2015 Q1 2,502 0 0 0.0
2014 Q4 0 0 0
2014 Q3 0 0 0
2014 Q2 4,414 0 0 0.0
2014 Q1 981 0 0 0.0
2013 Q4 2,395 0 0 0.0
2013 Q3 4,134 3 0 725.7
2013 Q2 0 0 0
2013 Q1 2,675 0 0 0.0
2012 Q4 1,241 0 0 0.0
2012 Q3 3,078 0 0 0.0
2012 Q2 347 0 0 0.0
2012 Q1 1,023 0 0 0.0
2011 Q4 354 0 0 0.0
2011 Q3 3,061 0 0 0.0
2011 Q2 2,704 0 0 0.0
2011 Q1 417 0 0 0.0
2010 Q2 0 0 0
2010 Q1 289 0 0 0.0
2009 Q4 970 0 0 0.0
2009 Q3 1,940 6 2 3092.8
2009 Q2 3,425 0 0 0.0
2009 Q1 1,447 0 0 0.0
2008 Q4 2,854 1 0 350.4
2008 Q3 3,275 0 0 0.0
2008 Q2 2,567 0 0 0.0
2008 Q1 4,841 0 0 0.0
2007 Q4 3,478 0 0 0.0
2007 Q3 3,253 0 0 0.0
2007 Q2 2,674 0 0 0.0
2007 Q1 2,778 0 0 0.0
2006 Q4 3,305 0 0 0.0
2006 Q3 5,777 0 0 0.0
2006 Q2 5,195 0 0 0.0
2006 Q1 4,729 0 0 0.0
2005 Q4 3,590 0 0 0.0
2005 Q3 3,939 0 0 0.0
2005 Q2 3,724 0 0 0.0
2005 Q1 6,005 1 0 166.5
2004 Q4 3,499 0 0 0.0
2004 Q3 2,942 0 0 0.0
2004 Q2 3,349 0 0 0.0
2004 Q1 2,663 0 0 0.0
2003 Q4 2,206 0 0 0.0
2003 Q3 2,406 0 0 0.0
2003 Q2 3,384 0 0 0.0
2003 Q1 3,608 0 0 0.0
2002 Q4 3,540 0 0 0.0
2002 Q3 4,040 1 0 247.5
2002 Q2 4,648 0 0 0.0
2002 Q1 4,002 2 0 499.8
2001 Q4 3,228 0 0 0.0
2001 Q3 1,689 0 0 0.0
2001 Q2 1,270 0 0 0.0
2001 Q1 1,610 0 0 0.0
2000 Q4 3,589 0 0 0.0
2000 Q3 4,362 0 0 0.0
2000 Q2 3,975 0 0 0.0
2000 Q1 4,758 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

16 on file

2016 · 1 incident

June 16, 2016 SD · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Simon Contractors Inc. · Absorption of radiations, caustics, toxic and noxious substances

Employee was stung by a bee while working. Employee was unaware that they were allergic. Epi Pen prescribed.

2006 · 1 incident

August 14, 2006 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

Employee strained lower back while cleaning the flywheel on the shorthead cone of a portable crusher. Employee said he was OK and finished his shift. The following day he went to a doctor and was taken off work for one day and returned to work on Aug 16, 2006. Doctor diagnosed the injury as a simple muscle spasm.

2004 · 1 incident

August 20, 2004 SD · Metal/Non-Metal water truck operator HANDLING OF MATERIALS
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

Individual was moving a 55 Gl. drum and loss control of the drum causing a shoulder strain.

1998 · 1 incident

1996 · 1 incident

April 22, 1996 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... (Not Elsewhere Classified)

EMPLOYEE DROVE DUMP TRUCK UNDER STACKING CONVEYOR WITH THE BOX UP. THE BOX HIT THE CONVEYOR CAUSING IT TO TIP OVER ON THE CAB OF THE TRUCK. EMPLOYEE RECEIVED A CUT ON THE LIP.

1995 · 3 incidents

September 19, 1995 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EE USING GRINDER WITH WIRE WHEEL ATTACHMENT WITH SAFETY GLASSES TO TAKE RUST OFF CONE CRUSHER. SOME RUST DUST GOT IN EE'S EYES.

January 31, 1995 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Hills Materials Company · Over-exertion in pulling or pushing objects

EMPLOYEE CLEANING 1" TO 8" ROCK OFF CLOGGED CONVEYOR. FELT OSMETHING PULL IN STOMACH. DR DIAGNOSED AS VENTRAL HERNIA.

1994 · 1 incident

November 2, 1994 SD · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE DOING CLEAN UP WORK- HE GOT DUST IN HIS EYE.

1992 · 1 incident

August 20, 1992 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Hills Materials Company · Struck by falling object

54736YEE WELDING WORN AREA IN HOPPER ON CONVEYOR A ROCK FELL FROM THE HEAD PULLEY STRIKING EMPLOYEE IN THE FOREHEAD

1991 · 1 incident

November 11, 1991 SD · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Hills Materials Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS REMOVING WEDGE PLATE WEIGHTS ON 54" ROLLER CONE. THE WEIGHT SLIPPED, CUTTING THE EMPLOYEE'S FINGER.

1989 · 3 incidents

October 18, 1989 SD · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
Hills Materials Company · Fall to lower level, (Not Elsewhere Classified)

WALKING DOWN GRAVEL STOCKPILE. THOUGHT PILE WAS FROZEN LEG FELL THROUGH FROZEN LAYER OF GRAVEL AND TWISTED KNEE

February 24, 1989 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Hills Materials Company · Struck against stationary object

EMPLOYEE CLEANING GRIZZLY FEEDER ON JAW CRUSHER. WAS SLIDING HAND ON APRON FEEDER AND HE GOT A PUNCTURE WOUND TO HIS RIGHT HAND.

January 12, 1989 SD · Metal/Non-Metal outside foreman, leadman POWERED HAULAGE
Hills Materials Company · Fall from machine

THE CONVEYOR BELT BECAME JAMMED BECAUSE OF LARGE CHUNKS OF FROZEN CLAY. EMPLOYEE PICKING LARGE CHUNKS OFF CONVEYOR BELT IN AN EFFORT TO FREE CONVEYOR BELT. THE CONVEYOR BELT STARTED UNEXCPECTE DLY WHICH CAUSED EMPLOYEE TO FALL APPROX. 6'5". INJURIES TO EMPLOYEE INCLUDE SMALL CUT OVER EYE, ABRASIONS TO FACE, AND BRUISED RIBS.

1988 · 2 incidents

February 22, 1988 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Hills Materials Company · Over-exertion (Not Elsewhere Classified)

EMPL PRYING ROCK STUCK IN TRAP TO FEEDER CONVEYOR.PULLED MUSCLE IN RIGHT ARM POSSIBLE NERVE DAMAGE.

February 4, 1988 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Hills Materials Company · Struck by flying object

EMPL RUNNING BOBCAT CLEANING UP CRUSHING SPREAD NOT REPORTED TO MSHA

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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.

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