Martin Marietta Materials, Inc. · Unclassified, insufficient data
Trespasser.
Linn County Sand Metal/Non-Metal
Martin Marietta Materials, Inc.
· Surface
Controlled by
Martin Marietta Materials Inc
Cedar Rapids,
Linn County,
IA
·
Active
MSHA Mine ID: 1302208
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- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2017–2020
- Latest incident
- Jun 2020
Compliance record
MSHA citations since 2001
38
citations
5
significant & substantial
$5,284
proposed penalties
$5,250
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 | 2,218 | 0 | 0 | 0.0 |
| 2025 Q2 | 2,876 | 1 | 0 | 347.7 |
| 2025 Q1 | 1,970 | 0 | 0 | 0.0 |
| 2024 Q4 | 259 | 0 | 0 | 0.0 |
| 2024 Q2 | 266 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,886 | 0 | 0 | 0.0 |
| 2023 Q3 | 2,462 | 0 | 0 | 0.0 |
| 2023 Q2 | 2,574 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
2 on file2020 · 1 incident
2017 · 1 incident
July 25, 2017
IA · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
HANDLING OF MATERIALS
Martin Marietta Materials, Inc. · Over-exertion in lifting objects
EE reached down to retrieve a grate and experienced pain in back. EE reported the pain but expected the decreasing soreness to go away over time. EE did not pursue or request further treatment until 8/16/17 when EE reported increasing pain in back from the July incident. Lumbar paraspinal muscle spasms identified. Restrictions placed/PT and meds prescribed.