OnCore5 Metal/Non-Metal
OnCore Processing LLC
· Surface
Controlled by
Atlas Energy Solutions Inc
Big Spring,
Howard County,
TX
·
Active
MSHA Mine ID: 4105647
OnCore5 has $14K in proposed MSHA penalties and $319 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2023
30
citations
6
significant & substantial
$13,931
proposed penalties
$13,612
paid to date
98% of proposed penalties paid to date, a $319 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2023
11
inspections on record
129
inspection hours
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: 129 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
OnCore5 has $14K in proposed MSHA penalties and $319 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.$14K
proposed penalties
$14K
current assessed
$14K
paid to date
$319
outstanding
28 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-20.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 13,941 | 0 | 0 | 0.0 |
| 2025 Q3 | 13,191 | 5 | 1 | 379.0 |
| 2025 Q2 | 15,101 | 0 | 0 | 0.0 |
| 2025 Q1 | 12,426 | 4 | 1 | 321.9 |
| 2024 Q4 | 15,824 | 0 | 0 | 0.0 |
| 2024 Q3 | 12,494 | 0 | 0 | 0.0 |
| 2024 Q2 | 12,446 | 4 | 0 | 321.4 |
| 2024 Q1 | 13,859 | 0 | 0 | 0.0 |
Show 5 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 13,744 | 4 | 2 | 291.0 |
| 2023 Q3 | 13,625 | 4 | 1 | 293.6 |
| 2023 Q2 | 14,802 | 0 | 0 | 0.0 |
| 2023 Q1 | 12,104 | 0 | 0 | 0.0 |
| 2022 Q4 | 13,898 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on OnCore5
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.