Iowa Grading 2 Metal/Non-Metal
Martin Marietta Materials, Inc.
· Surface
Controlled by
Martin Marietta Materials Inc
Des Moines,
Polk County,
IA
·
Active
MSHA Mine ID: 1302316
Iowa Grading 2 has $5K 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2009
32
citations
4
significant & substantial
$4,905
proposed penalties
$4,905
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
40
inspections on record
451
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: 451 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Iowa Grading 2 has $5K 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.$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
32 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-05.
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 | 5,797 | 0 | 0 | 0.0 |
| 2025 Q3 | 4,610 | 0 | 0 | 0.0 |
| 2025 Q2 | 6,700 | 1 | 0 | 149.3 |
| 2025 Q1 | 5,975 | 1 | 0 | 167.4 |
| 2024 Q4 | 6,288 | 0 | 0 | 0.0 |
| 2024 Q3 | 6,216 | 0 | 0 | 0.0 |
| 2024 Q2 | 4,872 | 0 | 0 | 0.0 |
| 2024 Q1 | 6,780 | 0 | 0 | 0.0 |
Show 72 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 6,454 | 0 | 0 | 0.0 |
| 2023 Q3 | 6,849 | 0 | 0 | 0.0 |
| 2023 Q2 | 7,100 | 0 | 0 | 0.0 |
| 2023 Q1 | 6,974 | 0 | 0 | 0.0 |
| 2022 Q4 | 7,568 | 0 | 0 | 0.0 |
| 2022 Q3 | 8,617 | 0 | 0 | 0.0 |
| 2022 Q2 | 7,284 | 0 | 0 | 0.0 |
| 2022 Q1 | 5,696 | 0 | 0 | 0.0 |
| 2021 Q4 | 8,015 | 3 | 0 | 374.3 |
| 2021 Q3 | 7,291 | 0 | 0 | 0.0 |
| 2021 Q2 | 8,253 | 1 | 0 | 121.2 |
| 2021 Q1 | 5,592 | 0 | 0 | 0.0 |
| 2020 Q4 | 8,841 | 2 | 0 | 226.2 |
| 2020 Q3 | 8,184 | 0 | 0 | 0.0 |
| 2020 Q2 | 7,721 | 0 | 0 | 0.0 |
| 2020 Q1 | 7,172 | 0 | 0 | 0.0 |
| 2019 Q4 | 8,731 | 1 | 0 | 114.5 |
| 2019 Q3 | 9,068 | 0 | 0 | 0.0 |
| 2019 Q2 | 3,353 | 1 | 0 | 298.2 |
| 2019 Q1 | 7,792 | 0 | 0 | 0.0 |
| 2018 Q4 | 8,862 | 0 | 0 | 0.0 |
| 2018 Q3 | 8,124 | 0 | 0 | 0.0 |
| 2018 Q2 | 8,779 | 1 | 0 | 113.9 |
| 2018 Q1 | 7,430 | 1 | 0 | 134.6 |
| 2017 Q4 | 9,220 | 0 | 0 | 0.0 |
| 2017 Q3 | 8,507 | 0 | 0 | 0.0 |
| 2017 Q2 | 9,122 | 1 | 0 | 109.6 |
| 2017 Q1 | 7,406 | 0 | 0 | 0.0 |
| 2016 Q4 | 8,998 | 0 | 0 | 0.0 |
| 2016 Q3 | 9,324 | 0 | 0 | 0.0 |
| 2016 Q2 | 9,786 | 4 | 2 | 408.7 |
| 2016 Q1 | 7,645 | 4 | 2 | 523.2 |
| 2015 Q4 | 7,880 | 0 | 0 | 0.0 |
| 2015 Q3 | 12,284 | 0 | 0 | 0.0 |
| 2015 Q2 | 7,307 | 0 | 0 | 0.0 |
| 2015 Q1 | 6,372 | 0 | 0 | 0.0 |
| 2014 Q4 | 7,144 | 1 | 0 | 140.0 |
| 2014 Q3 | 5,752 | 0 | 0 | 0.0 |
| 2014 Q2 | 7,432 | 0 | 0 | 0.0 |
| 2014 Q1 | 7,424 | 1 | 0 | 134.7 |
| 2013 Q4 | 7,526 | 0 | 0 | 0.0 |
| 2013 Q3 | 8,144 | 0 | 0 | 0.0 |
| 2013 Q2 | 8,285 | 0 | 0 | 0.0 |
| 2013 Q1 | 7,279 | 0 | 0 | 0.0 |
| 2012 Q4 | 6,133 | 2 | 0 | 326.1 |
| 2012 Q3 | 7,994 | 0 | 0 | 0.0 |
| 2012 Q2 | 7,965 | 0 | 0 | 0.0 |
| 2012 Q1 | 7,432 | 2 | 0 | 269.1 |
| 2011 Q4 | 7,366 | 0 | 0 | 0.0 |
| 2011 Q3 | 7,946 | 0 | 0 | 0.0 |
| 2011 Q2 | 7,409 | 0 | 0 | 0.0 |
| 2011 Q1 | 6,433 | 0 | 0 | 0.0 |
| 2010 Q4 | 8,683 | 0 | 0 | 0.0 |
| 2010 Q3 | 7,609 | 0 | 0 | 0.0 |
| 2010 Q2 | 7,420 | 0 | 0 | 0.0 |
| 2010 Q1 | 4,586 | 3 | 0 | 654.2 |
| 2009 Q4 | 3,646 | 0 | 0 | 0.0 |
| 2009 Q3 | 6,421 | 0 | 0 | 0.0 |
| 2009 Q2 | 5,581 | 0 | 0 | 0.0 |
| 2009 Q1 | 2,380 | 2 | 0 | 840.3 |
| 2008 Q4 | 4,813 | 0 | 0 | 0.0 |
| 2008 Q3 | 7,925 | 0 | 0 | 0.0 |
| 2008 Q2 | 6,854 | 0 | 0 | 0.0 |
| 2008 Q1 | 6,227 | 0 | 0 | 0.0 |
| 2007 Q4 | 4,678 | 0 | 0 | 0.0 |
| 2007 Q3 | 5,801 | 0 | 0 | 0.0 |
| 2007 Q2 | 0 | 0 | 0 | |
| 2007 Q1 | 2,125 | 0 | 0 | 0.0 |
| 2006 Q4 | 906 | 0 | 0 | 0.0 |
| 2006 Q3 | 2,502 | 0 | 0 | 0.0 |
| 2006 Q2 | 4,074 | 0 | 0 | 0.0 |
| 2006 Q1 | 0 | 0 | 0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Iowa Grading 2
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.