OnCore6 has $2K in proposed MSHA penalties and $372 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
2025
Latest incident
Jan 2025
Compliance record
MSHA citations since 2024
13
citations
0
significant & substantial
$1,951
proposed penalties
$1,579
paid to date
81% of proposed penalties paid to date, a $372 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2023
8
inspections on record
126
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: 126 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
OnCore6 has $2K in proposed MSHA penalties and $372 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$372
outstanding
11 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-29.
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
14,332
0
0
0.0
2025 Q3
14,205
0
0
0.0
2025 Q2
15,748
2
0
127.0
2025 Q1
13,405
5
0
373.0
2024 Q4
15,577
0
0
0.0
2024 Q3
13,818
2
0
144.7
2024 Q2
15,917
0
0
0.0
2024 Q1
12,728
1
0
78.6
Show 3 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
13,048
0
0
0.0
2023 Q3
11,874
0
0
0.0
2023 Q2
3,830
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2025 · 1 incident
January 18, 2025TX · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerHANDLING OF MATERIALS
OnCore Processing LLC · Caught in, under or between a moving and a stationary object
An employee was assisting in replacing slurry pump PU6. While hoisting the new pump into place with a telehandler and chain hoist, it became stuck. The employee attempted to reposition it by placing EE's right-hand underneath. When the bind released, the pump shifted, crushing EE's right ring finger between the pump and the skid.
For insurers, brokers, and safety consultants
The full compliance file on OnCore6
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.