Mining Incidents

Waterloo South Quarry Metal/Non-Metal

BMC Aggregates LC · Surface
LaPorte City, Black Hawk County, IA  ·  Active
MSHA Mine ID: 1302173

Waterloo South Quarry has $21K in proposed MSHA penalties and $0 outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
27
Years on record
1990–2023
Latest incident
Apr 2023
Compliance record
MSHA citations since 2000
138
citations
13
significant & substantial
$21,183
proposed penalties
$17,509
paid to date
83% of proposed penalties paid to date, a $3,674 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
64
inspections on record
898
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: 898 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Waterloo South Quarry has $21K in proposed MSHA penalties and $0 outstanding across 5 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.
$21K
proposed penalties
$18K
current assessed
$18K
paid to date
$0
outstanding
134 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2025-10-22.
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 5,758 5 0 868.4
2025 Q3 5,047 0 0 0.0
2025 Q2 5,724 0 0 0.0
2025 Q1 3,533 0 0 0.0
2024 Q4 7,430 0 0 0.0
2024 Q3 5,571 0 0 0.0
2024 Q2 5,916 0 0 0.0
2024 Q1 4,747 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,772 0 0 0.0
2023 Q3 6,454 0 0 0.0
2023 Q2 6,686 1 0 149.6
2023 Q1 4,849 1 0 206.2
2022 Q4 6,513 0 0 0.0
2022 Q3 6,710 1 0 149.0
2022 Q2 6,123 0 0 0.0
2022 Q1 4,694 1 0 213.0
2021 Q4 6,031 0 0 0.0
2021 Q3 6,718 2 0 297.7
2021 Q2 5,904 0 0 0.0
2021 Q1 4,798 1 0 208.4
2020 Q4 6,183 0 0 0.0
2020 Q3 6,466 0 0 0.0
2020 Q2 5,672 0 0 0.0
2020 Q1 5,878 3 1 510.4
2019 Q4 5,955 0 0 0.0
2019 Q3 7,266 0 0 0.0
2019 Q2 6,996 3 0 428.8
2019 Q1 3,924 0 0 0.0
2018 Q4 5,833 0 0 0.0
2018 Q3 5,831 5 1 857.5
2018 Q2 6,292 0 0 0.0
2018 Q1 4,136 0 0 0.0
2017 Q4 5,282 4 0 757.3
2017 Q3 5,523 2 0 362.1
2017 Q2 5,841 0 0 0.0
2017 Q1 4,557 9 2 1975.0
2016 Q4 4,788 0 0 0.0
2016 Q3 6,068 0 0 0.0
2016 Q2 6,391 2 0 312.9
2016 Q1 5,019 0 0 0.0
2015 Q4 6,387 3 1 469.7
2015 Q3 7,249 5 0 689.8
2015 Q2 6,416 0 0 0.0
2015 Q1 4,246 1 0 235.5
2014 Q4 6,397 0 0 0.0
2014 Q3 6,397 0 0 0.0
2014 Q2 7,421 10 1 1347.5
2014 Q1 4,587 3 0 654.0
2013 Q4 5,573 0 0 0.0
2013 Q3 6,075 0 0 0.0
2013 Q2 6,241 2 0 320.5
2013 Q1 5,383 0 0 0.0
2012 Q4 5,749 2 0 347.9
2012 Q3 6,211 0 0 0.0
2012 Q2 6,380 3 0 470.2
2012 Q1 5,531 5 0 904.0
2011 Q4 5,255 0 0 0.0
2011 Q3 6,854 1 0 145.9
2011 Q2 5,566 0 0 0.0
2011 Q1 5,201 0 0 0.0
2010 Q4 4,330 4 1 923.8
2010 Q3 5,618 0 0 0.0
2010 Q2 5,621 9 2 1601.1
2010 Q1 6,858 1 0 145.8
2009 Q4 5,951 0 0 0.0
2009 Q3 8,061 0 0 0.0
2009 Q2 6,813 3 1 440.3
2009 Q1 5,539 3 0 541.6
2008 Q4 5,714 0 0 0.0
2008 Q3 7,445 0 0 0.0
2008 Q2 6,403 5 0 780.9
2008 Q1 5,347 4 1 748.1
2007 Q4 6,538 0 0 0.0
2007 Q3 6,765 0 0 0.0
2007 Q2 7,046 0 0 0.0
2007 Q1 6,048 0 0 0.0
2006 Q4 6,379 0 0 0.0
2006 Q3 6,739 0 0 0.0
2006 Q2 7,534 4 1 530.9
2006 Q1 6,559 0 0 0.0
2005 Q4 5,609 0 0 0.0
2005 Q3 6,840 0 0 0.0
2005 Q2 7,829 2 1 255.5
2005 Q1 4,952 0 0 0.0
2004 Q4 5,933 7 0 1179.8
2004 Q3 6,761 0 0 0.0
2004 Q2 6,651 0 0 0.0
2004 Q1 4,442 5 0 1125.6
2003 Q4 3,159 0 0 0.0
2003 Q3 5,656 3 0 530.4
2003 Q2 6,426 0 0 0.0
2003 Q1 4,569 0 0 0.0
2002 Q4 6,332 0 0 0.0
2002 Q3 6,559 0 0 0.0
2002 Q2 7,249 2 0 275.9
2002 Q1 4,185 0 0 0.0
2001 Q4 6,215 0 0 0.0
2001 Q3 6,695 0 0 0.0
2001 Q2 5,909 6 0 1015.4
2001 Q1 5,417 0 0 0.0
2000 Q4 6,263 0 0 0.0
2000 Q3 7,498 0 0 0.0
2000 Q2 8,929 0 0 0.0
2000 Q1 6,521 2 0 306.7
No fatalities recorded at this mine.

Reportable incidents

27 on file

2023 · 1 incident

April 4, 2023 IA · Metal/Non-Metal water truck operator DISORDERS (REPEATED TRAUMA)
BMC Aggregates LC · (Not Elsewhere Classified)

Audiologist report of 4/4/2023 on annual hearing test indicated a reportable hearing loss of 34.66 dB in the Left Ear. Employee is currently enrolled in BMC Aggregates Hearing Conservation Program and will be retrained on hearing conservation program and proper use of hearing protection.

2021 · 1 incident

August 20, 2021 IA · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker MACHINERY
BMC Aggregates LC · Caught in, under or between running or meshing objects

Employee was rotating bars on HSI Secondary Crusher. EE was standing outside crusher housing turning spinner in order to install safety pin. Employee reached to push on crusher bar, when drum rotated pinching thumb between crusher bar and sidewall liner. Lacerated and fractured thumb on right hand.

2018 · 1 incident

May 21, 2018 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
BMC Aggregates LC · Caught in, under or between a moving and a stationary object

Cleaning second deck screen in north screen deck by attempting to place roller on screen. Roller hit edge of screen box when EE was trying put it onto screen deck and it bounced back out smashing left fingers between roller and screen box.

2016 · 1 incident

March 14, 2016 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator DISORDERS (REPEATED TRAUMA)
BMC Aggregates LC · (Not Elsewhere Classified)

Hearing Loss of 25 dB in left ear.

2015 · 1 incident

July 7, 2015 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
BMC Aggregates LC · Over-exertion in pulling or pushing objects

Tightening a bolt on the tailgate of Caterpillar 771D. Pulling down with a wrench he heard something pop in his right shoulder.

2013 · 1 incident

March 5, 2013 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
BMC Aggregates LC · Fall onto or against objects

Stepping into the manlift. He tried pulling himself in and stepped into basket when he slipped. His hard hat fell off as he continued up into the basket and hit his head on a piece of angle iron hanging under a plant conveyor.

2010 · 1 incident

August 26, 2010 IA · Metal/Non-Metal rock driller HANDTOOLS (NONPOWERED)
BMC Aggregates LC · Caught in, under or between (Not Elsewhere Classified)

He was putting a hole in plastic with knife, knife didn't lock and cut 2 cm laceration in right index finger.

2009 · 1 incident

January 26, 2009 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
BMC Aggregates LC · Over-exertion (Not Elsewhere Classified)

Numbness & pain in left hand and arm. Gradual onset of minor case of carpel tunnel in left hand.

2007 · 1 incident

February 22, 2007 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
BMC Aggregates LC · Over-exertion (Not Elsewhere Classified)

Stepping off of welding trailer and right ankle popped. States he stood up and right ankle popped again.

2003 · 1 incident

May 1, 2003 IA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Basic Materials Corp · Fall to the walkway or working surface

WAS CARRYING A 2" HOSE OVER A PILE OF STONE BUT LOST FOOTING FELL BACKWARDS LANDING ON LEFT FOREARM AND ELBOW JAMMING INTO LEFT SHOULDER.

2002 · 1 incident

March 28, 2002 IA · Metal/Non-Metal coal dump operator SLIP OR FALL OF PERSON
Basic Materials Corp · Fall onto or against objects

TRYING TO BREAK LOOSE A DRAIN PLUG ON REAR AXLE UNDER THE LOADER WHEN THE DRAIN PLUG BROKE LOOSE. EE FELL BACK AND HIT HIS HEAD ON THE AXLE HOUSING.

2001 · 1 incident

May 7, 2001 IA · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
Basic Materials Corp · Over-exertion (Not Elsewhere Classified)

CLIMBING DOWN LADDER ON TRUCK, SLIPPED ON THE TOP STEP AND CAUGHT HIMSELF ON HANDLE AND HUNG THERE.

2000 · 2 incidents

November 29, 2000 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Basic Materials Corp · Over-exertion in lifting objects

HE PULLED A MUSCLE IN HIS BACK TAKING A GUARD OFF STACKING CONVEYOR.

April 27, 2000 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Basic Materials Corp · Over-exertion (Not Elsewhere Classified)

WHEN USING RIGHT SHOULDER/ARM PAIN OCCURS IN RIGHT SHOULDER.

1999 · 2 incidents

June 15, 1999 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Basic Materials Corp · Struck by falling object

PUTTING A SPRING IN POWER SCREEN AND BOX FELL IN AND PINCHED FINGER TO CAUSE A CUT THAT REQUIRED SUTURES.

January 4, 1999 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Basic Materials Corp · Fall onto or against objects

SLIPPED OFF STEP OF ROAD GRADER AND GRABBED HANDRAIL. STEP WAS SNOW COVERED.

1998 · 1 incident

March 24, 1998 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Basic Materials Corp · Struck against stationary object

STEPPED OUT OF PU TRUCK BOX ONTO A SMALL PLASTICTOOL BOX & TWISTED HIS ANKLE.

1997 · 1 incident

May 21, 1997 IA · Metal/Non-Metal drill operator MACHINERY
Basic Materials Corp · Struck by flying object

HOSE SLIPPED OFF CONNECTION WHILW TRYING TO GET IT OFF. WHILE DRILLING DUST COLLECTOR PLUGGED UP. HE PULLED HOSE OFF CONNECTION (CONNECTION WAS STUCK) CAME FREE AND HIT HIM IN THE MOUTH.

1995 · 4 incidents

August 21, 1995 IA · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Basic Materials Corp · Over-exertion in lifting objects

LOADING SHOT IN PIT. LIFTING WRONG WHILE LOADING SHOT. FAILURE TO USE LEGS INSTEAD OF BACK.

June 22, 1995 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Basic Materials Corp · Over-exertion in wielding or throwing objects

WAS SWINGING A PICK AXE TO CLEAN MUD OUT OF FEEDER FLOOR & TWISTED HIS BACK WHICH RESULTED IN HIM PULLING SOME LOWER BACK MUSCLES

February 3, 1995 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Basic Materials Corp · Over-exertion (Not Elsewhere Classified)

WAS WALKING IN FRONT OF OFFICE TRAILER AND SLIPPED ON SMALL PATCH OF ICE.

January 25, 1995 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Basic Materials Corp · Struck against stationary object

WHEN REACHING FOR CUTTING SHIELD ON GRIZZLEY, SNAGGED HAND ON A SHARP PIECE OF METAL ON FEEDER WHEN RETURNING HAND TO HIMSELF.

1993 · 1 incident

May 18, 1993 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Basic Materials Corp · Struck by falling object

THE VICTIM WAS USING A HOMEMAKE SPOON ON THE BUCKE TO F AFORD TRACTOR TO CLEAN AROUND OUR PROCESSING PLANT. THE SPOON FLIPPED OUT OF THE BUCKET STRIKING THE OPERATOR ON OR AROUND THE WRIST, F RACTURING HIS HAND.

1992 · 2 incidents

November 5, 1992 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Basic Materials Corp · Over-exertion (Not Elsewhere Classified)

COMPANY WAS NOTIFIED OF WORKMANS COMP. DECISION ON 2-5-93.REPETITIVE MOTION OVER A PERIOD OF TIME WHILE PERFORMING DUTIES AS LOADER OPERATOR. HANDS AND WRISTS HAVE SUFFERED A C.T.D.

July 22, 1992 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Basic Materials Corp · Fall onto or against objects

55061S HELPING TO SET A WATER PIPE IN PLACE WHEN A 6 INCH HOSE CAME LOOSE OFF OF AN OPERATING PUMP. HE JUMPED TO GET OUT OF THE WAY AND TRIPPED FALLING ON A ROCK WHICH BRUISED HIS LOWER RIGHT 357?0

1990 · 2 incidents

October 19, 1990 IA · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDTOOLS (NONPOWERED)
Basic Materials Corp · Fall onto or against objects

EMPLOYEE WAS USING A BAR TO OPEN A COVER DOOR ON THE ROLL CRUSHER. THE BAR SLIPPED AND THE EMPLOYEE LOST HIS BALANCE AND FELL INTO A CORNER OF A GUARD ONT HE CRUSHER, WHICH BRUISED HIS LEFT R IBS.

July 28, 1990 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Basic Materials Corp · Absorption of radiations, caustics, toxic and noxious substances

EE WAS LOADING A SHOT WITH EXPLOSIVES. TOVEX OR ANFO GOT INTO HIS EYE WHEN HE WIPED OF SWEAT ON HIS FACE WITH HIS DIRTY HANDS.

For insurers, brokers, and safety consultants

The full compliance file on Waterloo South 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.