# Martin Marietta Materials Inc, Weeping Water Mine (Cass County, NE): MSHA citation under 57.14100(b) (2026-05-27)

**Safety Need Score:** 30/100

| Field | Value |
|---|---|
| Company | Martin Marietta Materials Inc |
| Mine | Weeping Water Mine (ID 2500998) |
| Location | Cass County, NE |
| Commodity | Crushed, Broken Limestone NEC |
| Mine type | Underground |
| Employees | 95 |
| Issued | 2026-05-27 |
| Action | Citation |
| Standard | 57.14100(b) |
| Significant & substantial | No |
| Negligence | Mod |
| Proposed penalty | $151 |
| Contested | No |

## Why this score
- Machine guarding / equipment standard (equipment-supplier trigger).

Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only (https://www.msha.gov/data-and-reports/mine-data-retrieval-system?mineId=2500998). Last refreshed: 2026-11-04T01:31:23.849Z.
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.