Heidelberg Materials US Cement LLC, Mason City Plant (Cerro Gordo County, IA): MSHA citation under 56.14100(b) (2026-08-19)
Heidelberg Materials US Cement LLC (Iowa): MSHA citation under 56.14100(b) (2026-08-19). Its proposed penalty of $288 is above the median of $165 (68th percentile). Dated 77 days ago, it serves as a historical benchmark. Score 30/100. 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: $288 · 68th percentile of 24,451 MshaMinePulse records · 1.7x the median
Free preview: all 13 published fields of this record are shown below. Locked: 428 related IA MshaMinePulse records and the 5-column CSV export.
| Field | Value |
|---|---|
| Company | Heidelberg Materials US Cement LLC |
| Mine | Mason City Plant (ID 1300095) |
| Location | Cerro Gordo County, IA |
| Commodity | Cement |
| Mine type | Facility |
| Employees | 143 |
| Issued | 2026-08-19 |
| Action | Citation |
| Standard | 56.14100(b) |
| Significant & substantial | No |
| Negligence | Mod |
| Proposed penalty | $288 |
| Contested | No |
| proposed penalty percentile | 68th of 24,451 (median $165, 1.7x median) |
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- Source agency: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
- Record date: 2026-08-19
- Data refreshed: 2026-11-04
- Refunds on request within 14 days
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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: Heidelberg Materials US Cement LLC and 429 Iowa peers
- Iowa MshaMinePulse records like this one: 429
- Heidelberg Materials US Cement LLC's proposed penalty: 68th percentile of 24,451 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Iowa peer: $85,800 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
30 / 100 Safety Need Score
- Machine guarding / equipment standard (equipment-supplier trigger).
What is the MshaMinePulse record for Heidelberg Materials US Cement LLC in Iowa?
MSHA issued Heidelberg Materials US Cement LLC a citation under 56.14100(b) at Mason City Plant (IA) on 2026-08-19.
How does Heidelberg Materials US Cement LLC compare to other Iowa MshaMinePulse records?
Its proposed penalty of $288 sits in the upper half (68th percentile) of 24,451 records; the median is $165. It is 77 days old; check the official source for later updates before acting. Its Safety Need Score of 30/100 is modest; treat it as background rather than a priority.
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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.