Mining Incidents

Gilbertville Sand Metal/Non-Metal

BMC Aggregates LC · Surface
Waterloo, Black Hawk County, IA  ·  Active
MSHA Mine ID: 1300686

Gilbertville Sand has $8K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
14
Years on record
1993–2023
Latest incident
Apr 2023
Compliance record
MSHA citations since 2001
65
citations
5
significant & substantial
$7,699
proposed penalties
$7,548
paid to date
98% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
59
inspections on record
634
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: 634 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Gilbertville Sand has $8K in proposed MSHA penalties and $151 outstanding across 0 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$151
outstanding
64 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-29.
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 3,812 3 0 787.0
2025 Q3 3,224 0 0 0.0
2025 Q2 3,455 0 0 0.0
2025 Q1 2,609 0 0 0.0
2024 Q4 4,932 0 0 0.0
2024 Q3 3,922 0 0 0.0
2024 Q2 4,194 0 0 0.0
2024 Q1 3,663 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,280 0 0 0.0
2023 Q3 3,402 0 0 0.0
2023 Q2 3,597 1 0 278.0
2023 Q1 3,832 2 0 521.9
2022 Q4 3,846 0 0 0.0
2022 Q3 3,374 2 0 592.8
2022 Q2 3,240 0 0 0.0
2022 Q1 3,335 0 0 0.0
2021 Q4 2,939 0 0 0.0
2021 Q3 3,153 0 0 0.0
2021 Q2 3,381 1 0 295.8
2021 Q1 3,359 0 0 0.0
2020 Q4 3,438 0 0 0.0
2020 Q3 3,257 0 0 0.0
2020 Q2 3,059 1 0 326.9
2020 Q1 3,089 2 0 647.5
2019 Q4 3,167 0 0 0.0
2019 Q3 3,135 2 0 638.0
2019 Q2 3,262 0 0 0.0
2019 Q1 3,262 0 0 0.0
2018 Q4 3,160 0 0 0.0
2018 Q3 3,376 1 0 296.2
2018 Q2 3,241 0 0 0.0
2018 Q1 3,055 0 0 0.0
2017 Q4 3,267 1 1 306.1
2017 Q3 2,849 0 0 0.0
2017 Q2 3,579 0 0 0.0
2017 Q1 3,093 0 0 0.0
2016 Q4 3,107 7 0 2253.0
2016 Q3 3,398 0 0 0.0
2016 Q2 3,451 0 0 0.0
2016 Q1 2,912 1 1 343.4
2015 Q4 2,958 0 0 0.0
2015 Q3 3,106 0 0 0.0
2015 Q2 3,755 0 0 0.0
2015 Q1 2,999 1 0 333.4
2014 Q4 3,436 0 0 0.0
2014 Q3 4,065 0 0 0.0
2014 Q2 3,707 1 0 269.8
2014 Q1 1,643 3 0 1825.9
2013 Q4 2,983 0 0 0.0
2013 Q3 2,901 0 0 0.0
2013 Q2 3,165 2 0 631.9
2013 Q1 2,788 0 0 0.0
2012 Q4 2,626 0 0 0.0
2012 Q3 2,901 0 0 0.0
2012 Q2 3,500 2 0 571.4
2012 Q1 2,495 3 1 1202.4
2011 Q4 2,476 0 0 0.0
2011 Q3 3,358 0 0 0.0
2011 Q2 2,590 5 1 1930.5
2011 Q1 2,740 0 0 0.0
2010 Q4 3,006 1 0 332.7
2010 Q3 3,017 4 0 1325.8
2010 Q2 3,349 0 0 0.0
2010 Q1 2,755 1 0 363.0
2009 Q4 2,701 0 0 0.0
2009 Q3 2,825 0 0 0.0
2009 Q2 3,191 3 0 940.1
2009 Q1 2,480 6 0 2419.4
2008 Q4 3,308 0 0 0.0
2008 Q3 3,744 2 0 534.2
2008 Q2 3,520 0 0 0.0
2008 Q1 3,282 0 0 0.0
2007 Q4 2,090 0 0 0.0
2007 Q3 1,677 0 0 0.0
2007 Q2 2,004 0 0 0.0
2007 Q1 1,797 0 0 0.0
2006 Q4 1,558 0 0 0.0
2006 Q3 1,694 0 0 0.0
2006 Q2 1,836 0 0 0.0
2006 Q1 1,586 0 0 0.0
2005 Q4 1,684 0 0 0.0
2005 Q3 1,928 0 0 0.0
2005 Q2 2,144 0 0 0.0
2005 Q1 2,036 0 0 0.0
2004 Q4 2,067 0 0 0.0
2004 Q3 1,999 0 0 0.0
2004 Q2 2,041 4 0 1959.8
2004 Q1 1,345 0 0 0.0
2003 Q4 1,192 0 0 0.0
2003 Q3 2,032 0 0 0.0
2003 Q2 1,772 0 0 0.0
2003 Q1 1,298 0 0 0.0
2002 Q4 1,869 0 0 0.0
2002 Q3 1,473 1 0 678.9
2002 Q2 1,731 0 0 0.0
2002 Q1 1,209 0 0 0.0
2001 Q4 3,408 0 0 0.0
2001 Q3 3,916 0 0 0.0
2001 Q2 1,660 1 1 602.4
2001 Q1 1,272 0 0 0.0
2000 Q4 1,388 0 0 0.0
2000 Q3 1,410 0 0 0.0
2000 Q2 1,611 0 0 0.0
2000 Q1 882 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

14 on file

2023 · 2 incidents

April 28, 2023 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
BMC Aggregates LC · Over-exertion (Not Elsewhere Classified)

Employee was exiting loader using proper 3-points of contact. Employee's foot slipped off last step of loader putting sudden stress on left arm and straining left shoulder.

April 4, 2023 IA · Metal/Non-Metal welder (non-shop) 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 32.33 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.

2022 · 1 incident

February 14, 2022 IA · Metal/Non-Metal welder (non-shop) SLIP OR FALL OF PERSON
BMC Aggregates LC · Fall to the walkway or working surface

Employee was working on dredge. While walking on land near dredge, employee tripped over cable used to anchor dredge. Employee fell, landing on left knee causing injury to knee.

2021 · 1 incident

November 11, 2021 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
BMC Aggregates LC · Struck by... (Not Elsewhere Classified)

Employee was using utility knife to cut rubber hose in order to install new fitting on end of hose. In process of cutting hose, utility knife slipped, causing laceration/puncture wound approximately 1" long on the inside of right thigh about 2"-4" above knee. Wound required 5 stitches.

2020 · 1 incident

September 23, 2020 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
BMC Aggregates LC · Fall onto or against objects

Employee was working on sand plant screen box. While performing maintenance employee fell through maintenance door used to access lower portion of screen box. During fall employee struck elbow on edge of opening and jammed shoulder.

2019 · 1 incident

September 16, 2019 IA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
BMC Aggregates LC · Struck by falling object

Stand pipe fell and hit employees shoulder.

2014 · 1 incident

October 14, 2014 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
BMC Aggregates LC · Bodily reaction, (Not Elsewhere Classified)

Employee was working on a 5th wheel plate off of a non-mining piece of equipment (Over the road truck DOT). He was on his knees and turned to his left and pulled left back muscle.

2012 · 1 incident

February 14, 2012 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STRIKING OR BUMPING
BMC Aggregates LC · Struck against stationary object

Changing oil on final drive of backhoe. Noticed drain pan was getting full, stood up to get another drain pan. Walked around corner of backhoe and ran into open service on the backhoe. The result was a laceration to the bridge of nose that required stitches.

2010 · 1 incident

August 30, 2010 IA · Metal/Non-Metal welder (shop) MACHINERY
BMC Aggregates LC · Struck by... (Not Elsewhere Classified)

Was grinding on a piece of metal and grinder kicked back and cut his left hand.

2009 · 1 incident

April 29, 2009 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
BMC Aggregates LC · Struck by... (Not Elsewhere Classified)

Was kneeling on knees pulling old belt out of bottom of leg #2 while the new belt was being pulled in above me. There was a piece of plywood that the new belt was laying on. When they pulled the new belt, the plywood slipped off of the beam it was resting on and hit him in the back of the head on his hard hat and snapped his head ahead.

2008 · 1 incident

May 27, 2008 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
BMC Aggregates LC · Over-exertion in lifting objects

Repeated lifting of 50lbs sand bags at bagging operation.

2006 · 1 incident

February 23, 2006 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Basic Materials Corp · Caught in, under or between (Not Elsewhere Classified)

A crane was holding a dredge impeller in an upright position with a nylon strap tied around the impeller. The crane operator put slack in the cable. The victim had his hand between the strap and the impeller. When the slack was taken up, his hand was pinched and pulled his finger out from between the strap and impeller.

2005 · 1 incident

February 22, 2005 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Basic Materials Corp · Struck by flying object

Chipping or grinding a weld and got piece of metal in left eye.

1993 · 1 incident

June 28, 1993 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Basic Materials Corp · Caught in, under or between a moving and a stationary object

VICTIM WAS TRYING TO DRIVE A PIN WITH A HAMMER. THE PIN SHIFTED AND IT STRUCK HIS RIGHT THUMB TIP, SMASHING IT.

For insurers, brokers, and safety consultants

The full compliance file on Gilbertville Sand

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.