New Miami Plant
Metal/Non-Metal
Willamsdale,
Butler County,
OH
·
Active
MSHA Mine ID: 3304383
New Miami Plant has $164 in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2024
- Latest incident
- Apr 2024
Compliance record
MSHA citations since 2024
0
significant & substantial
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2024
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 95 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
New Miami Plant has $164 in proposed MSHA penalties and $0 outstanding across 0 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
1 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-04-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
| Quarter |
Hours worked |
Citations |
S&S |
Per 1M hrs |
| 2025 Q4 |
2,271 |
0 |
0 |
0.0 |
| 2025 Q3 |
2,773 |
0 |
0 |
0.0 |
| 2025 Q2 |
3,051 |
0 |
0 |
0.0 |
| 2025 Q1 |
2,095 |
0 |
0 |
0.0 |
| 2024 Q4 |
2,416 |
0 |
0 |
0.0 |
| 2024 Q3 |
2,881 |
0 |
0 |
0.0 |
| 2024 Q2 |
3,231 |
1 |
0 |
309.5 |
| 2024 Q1 |
1,184 |
0 |
0 |
0.0 |
No fatalities recorded at this mine.
Reportable incidents
1 on file
2024 · 1 incident
April 11, 2024
OH · Metal/Non-Metal
quality control technician, laboratory technician, laboratory assistant
HANDLING OF MATERIALS
Martin Marietta Materials Inc · Over-exertion in lifting objects
Employee was shoveling material into a bucket and strained lower back
For insurers, brokers, and safety consultants
The full compliance file on New Miami Plant
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and
docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF
with the underlying data as CSV.