Martin Marietta Materials Inc., Fort Calhoun Underground Mine (Washington County, NE): MSHA citation under 47.44(b) (2026-05-21)
Martin Marietta Materials Inc. (Nebraska): MSHA citation under 47.44(b) (2026-05-21). Its proposed penalty of $151 is above the median of $165 (50th percentile). Dated 168 days ago, it serves as a historical benchmark. Score 20/100. As of 2026-11-04, from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only.
Data as of · Compiled by Zalwin from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
proposed penalty: $151 · 50th percentile of 24,451 MshaMinePulse records · 0.9x the median
Free preview: all 13 published fields of this record are shown below. Locked: 184 related NE MshaMinePulse records and the 5-column CSV export.
| Field | Value |
|---|---|
| Company | Martin Marietta Materials Inc. |
| Mine | Fort Calhoun Underground Mine (ID 2501300) |
| Location | Washington County, NE |
| Commodity | Crushed, Broken Limestone NEC |
| Mine type | Underground |
| Employees | 102 |
| Issued | 2026-05-21 |
| Action | Citation |
| Standard | 47.44(b) |
| Significant & substantial | No |
| Negligence | Low |
| Proposed penalty | $151 |
| Contested | No |
| proposed penalty percentile | 50th of 24,451 (median $165, 0.9x median) |
| Peer records CSV (185 NE records) | 🔒 Click to unlock → |
| CRM-ready export with official source URLs | 🔒 Click to unlock → |
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CSV columns: Company · Mine · State · Standard · Issued · official source URL
- Source agency: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
- Record date: 2026-05-21
- Data refreshed: 2026-11-04
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Top MshaMinePulse records (NE first): Martin Marietta Materials Inc., Fort Calhoun Underground Min · Crimson Oak Grove Resources LLC, Oak Grove Mine (Jefferson C · Crimson Oak Grove Resources LLC, Oak Grove Mine (Jefferson C · Crimson Oak Grove Resources LLC, Oak Grove Mine (Jefferson C · Crimson Oak Grove Resources LLC, Oak Grove Mine (Jefferson C · Browse all by state and category →
LIVE PUBLIC DATA Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only · Last refreshed: Wed, 04 Nov 2026 01:31:23 GMT
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Peer benchmark and outreach value: Martin Marietta Materials Inc. and 185 Nebraska peers
- Nebraska MshaMinePulse records like this one: 185
- Martin Marietta Materials Inc.'s proposed penalty: 50th percentile of 24,451 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Nebraska peer: $37,000 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
20 / 100 Safety Need Score
What is the MshaMinePulse record for Martin Marietta Materials Inc. in Nebraska?
MSHA issued Martin Marietta Materials Inc. a citation under 47.44(b) at Fort Calhoun Underground Mine (NE) on 2026-05-21.
How does Martin Marietta Materials Inc. compare to other Nebraska MshaMinePulse records?
Its proposed penalty of $151 sits in the upper half (50th percentile) of 24,451 records; the median is $165. It is 168 days old; check the official source for later updates before acting. Its Safety Need Score of 20/100 is modest; treat it as background rather than a priority.
Martin Marietta Materials Inc. vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| Martin Marietta Materials Inc. | NE | 151 | 50th | 2026-05-21 |
| Matteo Sand & Gravel Co. Inc. | NE | 151 | 50th | 2026-08-05 |
| Jeffres Sand and Gravel Inc | NE | 398 | 76th | 2026-08-20 |
| CenCon of Kansas LLC | NE | 1,320 | 91st | 2026-08-25 |
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Data comes from MSHA Open Government Data files, which MSHA updates weekly; citations can appear days to weeks after issue, and proposed penalties are often blank until assessed months later. Citations can be modified, vacated or contested; confirm on the MSHA Mine Data Retrieval System. Company violators only; individual agents are excluded. Not a consumer report and may not be used for FCRA purposes. Informational only; not legal or safety advice.