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
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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
Source: MSHA violations data, updated weekly.
Quarterly safety rates
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 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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.