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Portable Rock Drill #315 Metal/Non-Metal

BMC Aggregates LC · Surface
Elk Run Heights, Black Hawk County, IA  ·  Abandoned
MSHA Mine ID: 1302198

Portable Rock Drill #315 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
1995
Latest incident
Aug 1995
Compliance record
MSHA citations since 2000
18
citations
2
significant & substantial
$1,851
proposed penalties
$1,851
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
24
inspections on record
170
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: 170 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Rock Drill #315 has $2K in proposed MSHA penalties and $0 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
18 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-04-04.
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 0 0 0
2025 Q3 403 0 0 0.0
2025 Q2 525 0 0 0.0
2025 Q1 67 0 0 0.0
2024 Q4 335 0 0 0.0
2024 Q3 539 0 0 0.0
2024 Q2 341 0 0 0.0
2024 Q1 0 0 0
Show 73 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 378 0 0 0.0
2023 Q3 517 0 0 0.0
2023 Q2 559 0 0 0.0
2023 Q1 190 0 0 0.0
2022 Q4 422 0 0 0.0
2022 Q3 697 0 0 0.0
2022 Q2 592 1 0 1689.2
2022 Q1 94 0 0 0.0
2021 Q4 522 0 0 0.0
2021 Q3 662 1 0 1510.6
2021 Q2 364 0 0 0.0
2021 Q1 0 0 0
2015 Q1 0 0 0
2014 Q4 0 0 0
2014 Q3 0 0 0
2014 Q2 0 0 0
2014 Q1 0 0 0
2013 Q4 40 0 0 0.0
2013 Q3 772 0 0 0.0
2013 Q2 1,147 0 0 0.0
2013 Q1 0 0 0
2012 Q4 1,152 0 0 0.0
2012 Q3 1,245 0 0 0.0
2012 Q2 901 1 1 1109.9
2012 Q1 157 0 0 0.0
2011 Q4 2,284 0 0 0.0
2011 Q3 2,256 0 0 0.0
2011 Q2 2,093 2 1 955.6
2011 Q1 1,858 0 0 0.0
2010 Q4 1,906 0 0 0.0
2010 Q3 3,144 0 0 0.0
2010 Q2 2,134 3 0 1405.8
2010 Q1 2,373 0 0 0.0
2009 Q4 1,952 0 0 0.0
2009 Q3 2,128 0 0 0.0
2009 Q2 1,986 1 0 503.5
2009 Q1 1,803 0 0 0.0
2008 Q4 1,962 0 0 0.0
2008 Q3 2,307 0 0 0.0
2008 Q2 2,921 2 0 684.7
2008 Q1 1,620 0 0 0.0
2007 Q4 2,307 0 0 0.0
2007 Q3 2,184 6 0 2747.3
2007 Q2 1,909 0 0 0.0
2007 Q1 1,710 0 0 0.0
2006 Q4 1,713 0 0 0.0
2006 Q3 1,698 0 0 0.0
2006 Q2 1,875 0 0 0.0
2006 Q1 1,531 0 0 0.0
2005 Q4 1,668 0 0 0.0
2005 Q3 1,928 0 0 0.0
2005 Q2 1,797 0 0 0.0
2005 Q1 1,453 0 0 0.0
2004 Q4 1,822 0 0 0.0
2004 Q3 2,075 0 0 0.0
2004 Q2 1,719 0 0 0.0
2004 Q1 1,614 0 0 0.0
2003 Q4 1,224 0 0 0.0
2003 Q3 1,807 0 0 0.0
2003 Q2 1,825 0 0 0.0
2003 Q1 1,581 0 0 0.0
2002 Q4 1,723 0 0 0.0
2002 Q3 1,669 0 0 0.0
2002 Q2 1,670 0 0 0.0
2002 Q1 1,727 0 0 0.0
2001 Q4 1,653 0 0 0.0
2001 Q3 1,129 0 0 0.0
2001 Q2 1,941 0 0 0.0
2001 Q1 673 0 0 0.0
2000 Q4 584 0 0 0.0
2000 Q3 1,012 1 0 988.1
2000 Q2 881 0 0 0.0
2000 Q1 810 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

1995 · 1 incident

August 15, 1995 IA · Metal/Non-Metal superintendent MACHINERY
Basic Materials Corp · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS USING AN ELECTRIC IMPACT WRENCH TO CHANGE SCREENS. EMPLOYEE WAS REMOVING NUT FROMT EH IMPACT SOCKET AND ACCIDENTLY BUMPED THE TRIGGE WHICH SCREWED THE NUT ONTO HIS INDEX FINGER.

For insurers, brokers, and safety consultants

The full compliance file on Portable Rock Drill #315

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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