Grindstone has $9K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
2
Years on record
2025–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2024
48
citations
7
significant & substantial
$8,803
proposed penalties
$8,753
paid to date
99% of proposed penalties paid to date, a $50 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
10
inspections on record
187
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: 187 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Grindstone has $9K in proposed MSHA penalties and $0 outstanding across 1 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.
$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
37 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-10-28.
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
33,310
7
1
210.1
2025 Q3
32,119
0
0
0.0
2025 Q2
30,272
1
1
33.0
2025 Q1
34,526
7
0
202.7
2024 Q4
41,857
0
0
0.0
2024 Q3
29,946
1
0
33.4
2024 Q2
27,340
0
0
0.0
2024 Q1
24,978
21
3
840.7
Show 5 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
25,369
0
0
0.0
2023 Q3
32,670
0
0
0.0
2023 Q2
21,505
0
0
0.0
2023 Q1
15,771
0
0
0.0
2022 Q4
12,151
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
2 on file
2026 · 1 incident
February 2, 2026TX · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanSLIP OR FALL OF PERSON
Employee sustained a left shoulder dislocation due from a same level fall in slick muddy conditions from ground warming as the day progressed. Employee did not recognize the change in conditions and slipped and fell onto their shoulder.
Kiewit Mining Group · Caught in, under or between a moving and a stationary object
Employee's right pinky finger was crushed between a 3" pipe and receiver hitch on a pickup resulting in a fracture of said pinky finger.
For insurers, brokers, and safety consultants
The full compliance file on Grindstone
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.